Φ2 3/8”
ー
ー
ー
ー
ー
ー
ー
ー

Φ3 1/8”ーーーーーー
DF17202
DF17302

φ80 (3.15")

φ76.6 (3.02")②Switch unit

▲switch【Figure2】Fitting rubber in band

Wire 45cm (1.48ft)
Connector color: white or black

23.7 (0.93")

4) Insert the switch unit into the attachment for switch unit.【Figure1】【Figure3】Fixing band to bracket

78 (3.07")

Wire 20cm (7.8")【Figure4】Fitting indicator, attachment
for switch unit, and gauge in band

※The indicator is exclusive to Φ80mm tachometer.

Assembling example

92.1 (3.63”)【Figure5】Range of ﬁtting of switch unit
and indicator■Stepping motor "STS26A" provides high precision in the accuracy of information generated.
■Maximum angle of deﬂective 270°(full sweep) is controlled by the microcomputer up to 4600 division（0.057°
each).
■The gauge dial is invisible while the ignition switch is oﬀ. Once the ignition switch is turned on, a clear display
appears by LED illumination.
■The gauge dial illumination and the needle pointer performs opening and ending ceremonies interlocked withturning ON/OFF of the ignition.
■The gauge is clinched by using the exclusive mounting band and back case. Wires can be stored in the back case neatly.
■The brightness can be adjusted. There are 5 stages of brightness for the daytime and 6 stages for the nighttime.
■Two customer-deﬁned warning RPMs can be set. When the RPMs are exceeded, the warning LED blinks/lights
up and the warning buzzer sounds.
■The exclusive large-sized indicator which lights in green and red enhances the visibility of warnings in addition
to the warning LED in the gauge.
■The maximum RPM (peak value) while driving can be stored and checked later.
■The large-sized switch unit with light is ﬁxable on the gauge and is also detachable.

69.2 (2.72”)

Power Supply Voltage
Current Consumption

Volt
4.0V andabove
0〜1.5VTime

Switchunit wire

QuantityEngine speed input (blue wire)V1) 4.0V and above
V2) 0〜1.5V

1
1
1
1
1
1
1
1
1

Part Name⑩M6 bolt⑪Spring lock washer⑫Washer⑬Spacer⑭Buﬀer
⑮Double sided tape
⑯Tapping screw⑰Solderless connector

For inner side of back case

※If the switch unit is ﬁxed to another place other than the gauge, do not ﬁx/use
the attachment for switch unit to the mounting band.

【Figure6】
11) Attach the double sided tape on the back side of the gauge.【Figure1】

12) Pass the indicator wire and switch unit wire through the holes of the back case fromthe outside. Connect the indicator wire to the connector on the gauge. Refer to partnames section.【Figure7】【Assembling example】
For bottom of bracket【Figure7】Connect indicator wire

Pass wires
throughholes fromback side

13) Put the back case on the gauge. Position the hole for the power supply & tachometersignal wire to the gauge connector for it. Refer to part names section. The indicatorwire can be stored in the back space in the back case.【Assembling example】
14) Connect the switch unit wire to the connector on the back side of the gauge. The
indicator wire can be stored in the storage space in the back case neatly.
【Assembling example】

15) Connect the power supply & tachometer signal wire to the connector on the backside of the gauge.【Assembling example】
16) Fit the mounting band with the gauge in the mounting bracket by using a spacer,bolts, washer, and spring lock washer.

Storage space forswitch unit wire

power supply &tachometersignal wire

※Depending on the installing space, it may diﬃcult to ﬁt the gauge. Do not pull
wires forcefully and take notice not to hit the vehicle by parts.

17) Fasten the bolts with a hexagonal wrench (Allen key) ﬁrmly.【Figure8】18) Fit the regular position bezel onto the gauge with setting the ▼ mark at theposition you like.

A hole for power supply & tachometer signal wire

【Figure9】
Mounting bracket (full scale：mm）

50
30

Installation（for customer and installation personnel）
Warning

Carefully read the "Before Installation" and "About Installation and Operation" sections of the manual concerning
installation and operation. Then install the product properly and safely. Installation in an unsuitable location or
improper installation can result in the product falling from its position or damage to the vehicle.

Parts List（for customer and installation personnel）
Part Name【Figure6】How to use double sided tape

【Figure8】Fasten bolts with hexagonal
wrenchThe following parts are included with this product. Conﬁrm that all parts are present before installing. In
addition, these parts are sold separately for part replacements. Contact your retailer for further information.

①Gauge②Switch unit(wire 45cm, 1.48ft)③Back case
④Mounting band
⑤Mounting rubber⑥Power supply & tachometer signal wire 2.2m, 7.2ft⑦Indicator(wire 20cm, 7.8in)⑧Mounting bracket⑨Attachment for switch unit

9) Fix the mounting bracket on the gauge installing position by using the tapping screws.

Indicator wire

MAX 2mA
ILM (white) line
Illumination color
SI models: white
USDM models: red
Operational Temperature Range −20 to ＋60℃, −4 to ＋140°
F（under 80％ relative humidity）
Storage Temperature Range −30 to ＋80℃, −22 to ＋176°
F（under 80％ relative humidity）
Applicable Number of Cylinders 1・2・3・4・5・6・8
Applicable Engine Speed Pulse The wave form of the engine speed signal should meet therequirements of the following graph.

7) Disassemble the mounting band from the mounting bracket, and disassemble thegauge, attachment for switch unit, and indicator from the mounting band.

10) Fit the attachment for switch unit, indicator, and gauge into the mounting band
again. Take notice that the angle of the switch unit and the indicator cannot bechanged while the bolts are fastened.

Holes for indicator wire or switch unit wire
A hole for power supply & tachometersignal wire

DC10V to 15V（For 12V vehicles）
MAX 0.4A (Dark current 0mA)
+B (red) line
IGN (orange) line MAX 0.4A

6) Identify the position of the mounting bracket with the gauge ﬁtted into the mounting
band. Mark the shape of the mounting bracket and the position of the screw holes.
The ﬁgure printed on this manual can be used to position the screw holes.【Figure9】【Figure6】8) Attach double sided tapes on the bottom of the mounting bracket.【Figure1】

The mounting band is movable 4mm up and down.

Product Speciﬁcations (for customer and installation personnel)※Do not take hands oﬀ from the gauge so as the gauge does not fall down.
※If the switch unit is ﬁxed to another place other than the gauge, do not ﬁx/use
the attachment for switch unit to the mounting band.

※To check that there is enough space for installation, identify the gauge position
with the gauge, switch unit, and indicator ﬁtted into the mounting band.
※When setting the gauge angle, take care not to scratch by hitting the gauge tothe mounting bracket.

72.5 (2.85”)

Main Features（for customer）※If the switch unit is ﬁxed to another place other than the gauge, do not use theattachment for switch unit.

5) Fit the attachment for switch unit and indicator into the mounting band. And thenﬁt the gauge into the mounting band. Locate the switch unit and the indicatorroughly at this stage. The switch unit and the indicator can be positioned in therange which they do not touch the mounting bracket and bolts.【Figure4】【Figure5】

50 (1.97")

29.7 (1.18")

1) Attach the buﬀer around the gauge.【Figure1】※Do not touch on the front face of the gauge so as not to put ﬁngerprints.
3) Fix the mounting band to the mounting bracket temporarily with the spacer, bolts,
washers, and spring lock washers. Tighten bolts loosely by hands. Do not use ahexagonal wrench (Allen key) at this stage.【Figure3】※The connector color diﬀers depending on the production period.

Indicator

Quantity
2
2
2
1
1
1
2
5

Operation manual (this sheet) and warranty card are included other than the parts listed above. Keep them at hand.

Φ6.4 hole

Caution

Do not pull the wires out of connectors forcefully. The connectors may be broken and the wires may be cut. Whenpulling out the wires, press the lock ﬁrmly and unclip the locks of connectors.
Take care not to scratch the gauge or vehicle by hitting or scraping the parts.

STEP１⑮Double sided tape2) Fit the mounting rubber inside of the mounting band.【Figure2】

44 (1.73")▼switch⑧Mounting bracket

44

Conﬁrmation

Over 90°
Do not lay the gauge face down due to oil leakage. Angle "A" must be more than 90 degrees.
Be sure to follow all instructions in this manual to ensure safe installation and operation of the product.
After installation is complete, return this operation manual, warranty card, and the package to the A
customer along with the warranty.
Conﬁrm with the car maintenance manual issued by the manufacturer when installing and detaching genuine parts.
Before tapping wires, check the voltage of the existing wire. After tapping the wire, check the voltage of the tappedwire again to conﬁrm whether you have tapped into the proper place.
If car navigation system or car television is installed in vehicle, gauges and wires of this product need to be kept as
far away as possible from the wiring and installing positions of car navigation system or car television. Failure to doso may result in interference of television display.
When the negative (-) battery terminal is disconnected, equipment such as clocks and audio components having
internal memory may lose their memory data. Follow the operation manual of each component to reset data after
installation of this product.
The gauge pointer may not be in the proper position when you purchase the product. Normal function will resume
when power is connected.
On no event will Nippon Seiki Co., Ltd. be liable to you for any damages or losses of genuine parts for your vehicle
while installing.

Φ2 1/16”
DF16002
DF16102
DF16202
DF16302
DF16402
DF16502
ーー

Display Range-30inHg〜30PSI-30inHg〜45PSI
0〜140PSI
100〜300°
F
400〜2000°
F
10〜15V
0〜9000rpm
0〜11000rpm

30 (1.18")

15.7 (0.62")

35°

Caution

Do not drop any of the components of this product. It may result in damage to the product.
Do not apply excessive force on switches/terminals. It may result in damage to the product.
Do not use wires other than the provided wires.
Do not place wires near the engine, exhaust pipe or turbine. It may result in damage or fusion of wires.
Do not share single fuse with multiple gauges. Every gauge requires independent fuse for IGN and
24V+B line.
Do not pull the wires out of connectors forcefully. The connectors may be broken and the wires
may be cut. When pulling out the wires, press the lock ﬁrmly and unclip the locks of connectors.
Do not install gauges into the passenger side or center of the dashboard. It doesn't meetvehicle safety standards.
Do not attach wires on the body of the vehicle or engine parts as this may result in damage to the product.
Install wires away from ignition and also radio signal frequency interference as this could cause the gauges to malfunction.
This product is designed for use on 12V vehicles. Do not install this product on vehicles with 24V systems.
Insulate any unused wires. If any wires or connectors loosen during installation, please make sure they are correctly reattached.
Make sure the waterproof processing is done when diverging wires in the engine compartment.
Wear gloves to avoid burns when soldering and cuts when installing wires, sharp edges of parts.
When using sunshade, put sunshade between products and windshield to avoid direct sun exposure .
Use a dry, soft cloth for cleanup. Do not use cleaners except for neutral detergent. It may damage the product.

Product Name
BOOST 30PSI
BOOST 45PSIPRESS.
TEMP.
E.G.T.
VOLT
Tachometer 9000rpm
Tachometer 11000rpm⑨Attachment
for switch unit

8.4

Wiring power supply & tachometer signal wire

6.4

Warning

Do not disassemble or modify this product. Such actions will not only void the warranty but also
damage or destroy the product.
Do not perform installation of this product immediately after the engine has been switched oﬀ. The
engine and exhaust system are extremely hot at this time and can cause burns if touched.
Do not cut more than one wire at the same time when cutting wires. Cutting several wires together
may destroy your ECU, ignition system and other engine management devices.
disassemble/
Do not install this product in the area where safety equipment such as airbags are mounted. This
modifymay cause more injuries in the event of an accident.
Carefully consider the installation location and driver's operation of the product before installation. Do not install thisproduct where it interrupts driving and the safety deices of vehicle such as the airbag system.
Be sure not to install this product where it could fall. Improper installation or operation could cause the product tofall and damage the vehicle or cause serious danger by impeding driving.
Ensure that the wiring of this product does not have an adverse impact on the other wiring of the vehicle. Any
controlling devices or other electronic components of the vehicle could be damaged.
Keep children and infants away from the installation area. Children may swallow small parts or be injured in other ways.

USDM models: Red illumination (Sold only in the USA)

Connector for switch unit (white)
Connector for power supply & tachometer signal wire (beige)

111.6〜115.6 (4.39” 〜4.55”)

DangerDo not install the product at the wet places. It may result in a ﬁre caused by an electrical short circuit.
Ensure that the vehicle will remain stationary and turn oﬀ the engine before installing this product. Failure to do so
could result in a ﬁre, and could make the vehicle move during installation.
Remove the key from the ignition and disconnect the negative (-) battery terminal prior to installation of thisproduct. Failure to do so could result in a ﬁre caused by an electrical short circuit.
Take care not to install this product in a way that interferes with safety equipment such as seat belts and air bag
systems or vehicle operation equipment such as engine controls, steering wheel or brake systems. Interferencewith normal operation of the vehicle can result in an accident or ﬁre.
Solder or use a solderless connector for wiring connections and make sure connections are insulated. In areas
where there could be tension or sudden impacts on the wiring, safeguard the wiring with corrugated tubing orother shock absorbent material. Accidental shorts can cause ﬁres.
When wiring power supply wire, to avoid the risk of electrical shock or ﬁre, be sure to conﬁrm that there is no
disconnection or breakage of wire. Poor connection can result in short-circuit, electrical shock, ﬁre, or other hazards.
Discontinue use of this product if a blowout of the fuse has occurred. Continued use while the condition exists
could result in an accident, ﬁre, or damage to the vehicle.
Use the fuse of regulated capacity when the fuse of the power wire is changed. Using a fuse that exceeds regulated
capacity may cause ﬁre and may aﬀect the accuracy.
Discontinue use of this product if the product doesn't operate or operates improperly. Continued use while thecondition exists could result in an accident or ﬁre.

58 (2.29")30°

Before handling (for installation personnel)⑯Tapping screw

30.1 (1.19")

Mounting Bracket

Switch Unit
31.4 (1.24")⑩M6 boltkIndicates actions that need to be carried out. (MUST actions)⑬Spacerac

Must⑪Spring lock washerbProhibited

Indicates restricted actions. (PROHIBITED actions)⑫Washer⑭Buﬀert

Indicates attention needs to be paid. (Including warnings)⑮Double sided tape
⑤Mounting rubberon

Properties for safety warning⑦Indicatorfr

Conﬁrmation Indicates an instruction that must be performed or practice that must be maintained.

Φ52mm
Φ60mm
Φ80mm
Display Range Blue ring Red ring Blue ring Red ring Blue ring Red ring
Product Name
-100kPa〜+200kPa DF16001 DF16003 DF16601 DF16603
ーー
TURBO 2.0-100kPa〜+300kPa DF16101 DF16103 DF16701 DF16703
ーー
TURBO 3.0
0〜1000kPaーーDF16201 DF16203 DF16801 DF16803
PRESS.
30〜150℃ーー
DF16301 DF16303 DF16901 DF16903
TEMP.
200〜1100℃ーー
DF16401 DF16403 DF17001 DF17003
E.G.T.
10〜15Vーー
DF16501 DF16503 DF17101 DF17103
VOLT
0〜9000rpm
DF17201 DF17203
ーーーー
Tachometer 9000rpm
DF17301 DF17303
ーーーー
Tachometer 11000rpm 0〜11000rpm

Connector forindicator (red)Label①Gauge27 (1.06")

SI models: White illumination (Sold globally except the USA)

④Mounting band

Do not peel oﬀ the labels.

9.9 (0.39")

PEAK LED (Blue)
Warning LED (Red)③Back casek

Indicates a conceivable source of personal injury or damage to equipment if the
product is improperly operated.

Lineup（for customer）【Figure1】Gauge assemblyInstall the gauge as shown in the following procedures and ﬁgures.

Dimensions in mm(inches) and part names

Conﬁrmation

This product cannot be linked to either the ADVANCE System or the Deﬁ-Link System.
The information displayed on this product are for reference purposes only. Please drive according to the indicationof vehicle's originally equipped instruments.
Please check the installed product regularly. Durability might deteriorate according to use conditions, etc.
Dispose of the product according to the local recycling regulations.
This product uses high luminance LEDs. When several gauges are lined up, there might be color diﬀerence in the
LED production tolerance, but it is not malfunction.
In the case of idling stop vehicles, the power of the product is turned oﬀ and restarted in some cases by a drop inbattery voltage when the engine is restarted while idling stop function is active. It is not malfunction.
This product can be used only on 1, 2, 3, 4, 5, 6, and 8 cylinder vehicles with 4 cycle engine. Refer to the ProductSpeciﬁcations. Engine revolution signal of diesel vehicles cannot be displayed.

Installing gaugeac

CautionPDF07113G

STEP3

t

Indicates the possibility of death or serious injury if the product is mishandled.

Fuse for Power supply wire(1A) 2pcs

PDF07103G

on

Warning

PDF07104G

Φ80(3 1/8") Mounting band set（Mounting band ｘ1, Mounting rubber ｘ1）

fr

Indicates the imminent dangerous situation of death or serious injury if the product ismishandled.

Φ80(3 1/8") Mounting bracket set（Mounting bracket x1、M6 bolt x2,
Spring lock washer x2, Washer x2, Spacer x1, Tapping screw x2）

Wiring check1) Connect the power supply & tachometer signal wire to the back side of the gauge.
2) Turn the key in the ignition. Then check the gauge illumination is lighted and the gauge pointer moves.
3) Turn on the vehicle lights and make sure the gauge illumination is dimmed.
4) Turn the ignition key oﬀ. Then check the gauge pointer points back to the zero point and the gauge illumination is turned oﬀ.
5) To ﬁx the gauge on a vehicle in the next step, disconnect the power supply & tachometer signal wire.

b

In this manual, the degree of hazard arising from actions such as improper operation is separated into the
3 levels "Danger," "Warning," and "Caution." In addition, instructions that must be followed for safe andproper use of this product as well as practices that must be maintained are marked with a "Conﬁrmation"
heading. Please read and become familiar with these sections.

PDF12010H

Gauge

Do not pull the wires out of connectors forcefully. The connectors may be broken and the wires may becut. When pulling out the wires, press the lock ﬁrmly and unclip the locks of connectors.
On no event will Nippon Seiki Co., Ltd. be liable to you for any damages arising out of
the use or inability to use the product, even if Nippon Seiki Co., Ltd. has been advised ofthe possibility of such damage.

PDF07101G

Power supply & tachometer signal wire

φ86.8(3.42")

Safety Warning 【Please read carefully.】

CautionPart Number

φ32.2 (1.27")

Thank you very much for purchasing our product.
This product is an additional product for providing information to automobile users about engine
conditions and other important factors. Before installing and using the product, please read this manualand the warranty card thoroughly. All sections are for customers and installation personnels. Afterinstallation, please keep this manual and the warranty card for future reference. In the event that thisproduct (or the vehicle in which it is installed) is lent to or transferred to another person, please be sure
this operation manual and warranty card accompany the product.
Deﬁ will not be held responsible for accidents or damages related to installation of this product.
When installing and operating this product, be sure to read the cautionary items in the operation manual
for the vehicle in which this product will be installed in addition to the manual of this product. Pleaseobtain a full understanding of the cautionary items and use the product accordingly. Before using the
product, please conﬁrm all the components are included in the package.

Part Name

26.7 (1.05")

WEAR
SAFETY GLASSES

STEP2

Φ80(3 1/8") Back case set（Back case ｘ1, Buﬀer ｘ1）

50.6 (1.99")

IMPORTANT

Warning

Do not disassemble or modify this product. Such actions will not only void the warranty but also damage or destroy the product.
Do not operate during driving.
Discontinue use of this product if the gauge doesn't operate, water gets into the unit, or smoke or a strange odor
comes from the unit. If such a condition occurs, contact the sales outlet or installation personnel as soon as
possible. Continued use while the condition exists could result in an accident or ﬁre.
Please have this product installed by a retail store or dealer where it was purchased. Installation by the customer
will void the warranty.
In order to ensure safe driving, check the information on the gauge only for short periods of time. Looking at thedisplay for long periods of time could distract adequate attention from the road and result in an accident.
Fix the switch unit and other parts tightly to the vehicle to avoid that children swallow those.

V2

Φ80 TACHOMETERRGN2TA-E: 22.07-3

V1

Racer Gauge N2 Tachometer Φ80mm (3 1/8”)
SI series: DF17201, DF17203, DF17301, DF17303
USDM series: DF17202, DF17302

DangerOptional Parts(for customer)

About Installation and Operation(for customer and installation personnel)

41.6 (1.64")

Manual1) Disconnect negative (−) battery cable of the vehicle.
2) Wire the power supply & tachometer signal wire as shown in the following ﬁgure.
Power supply & tachometer signal wire（2.2ｍ, 7.2ft)
Fuse 1A

Red wire：+B (12V Battery) To 12V battery wire
Black wire：GND (Ground) To ground or negative battery terminal
Orange wire：IGN (Ignition) To 12V wire while ignition is on
White wire：+ILM (Illumination) To 12V wire while instrument panel lights are on
Blue wire：TA (Tachometer) To engine speed signal

3) Reconnect negative (−) battery cable of the vehicle.

STEP4

Final check and setup

1) Make sure the gauge is ﬁxed on the installing position ﬁrmly. Then turn the vehicle engine on and oﬀ and check the
movement of the pointer, illumination of the gauge, and engine speed signal input.
※Make sure there are no tools on the vehicle ﬂoor and that the vehicle surrounding is safe before turning on the engine.
2) Go on to the operation section and set up the number of cylinders, and so on. Give this manual to the customer if
he/she sets up by himself/herself.

Operation（for customer and installation personnel）②Warning setup mode

Two warning RPMs can be set at SET1 and SET2. Set the SET2 RPM higher than the SET1 RPM. The factory setting is at
6000rpm(SET1) and 7000rpm(SET2). Change the RPMs as you like.
※Even if the battery is disconnected, the setting is not cleared.

Two switches are expressed in this section as follows.

Upper switch(▲/SET-2/PEAK) → ▲switch or【A】Warning setup mode − SET1
In the real mode, the mode changes to the warning setup mode SET1 if ▼switch is pressed for morethan 2 seconds. In the warning setup mode SET1, the warning LED blinks as follows:

Lower switch(▼/SET-1/PEAK RESET) → ▼switch or

LED blinking

press
long

1.Function
Number of cylinder setup To Set up the number of cylinders according to your vehicle
Warning setup

To Set up the RPMs of warning. Two points(SET1 and SET2) can be set.

Opening/
ending mode

When the ignition is turned on/oﬀ, the opening and ending ceremonies are played by using
the illumination of the gauge and movement of the pointer.

To Set up the buzzer ON/OFF of warning SET2.

Buzzer setup

Real mode

raise

Displays the RPM in real mode during driving and idling.

Warning mode

Informs the RPM exceeds the set warning RPMs by the warning LED, the buzzer, and theindicator.

Peak mode

Displays the maximum RPM recorded during driving. The maximum RPM is always recordedin the real and peak modes. It can be reset.

Dimmer control

Controls the brightness of the gauge illumination. There are 5 stages of brightness for the
daytime and 6 stages for the nighttime. The brightness can be decreased/increased withthe vehicle lights switched on/oﬀ.

lower

Real
mode

Press 2 switches at the sametime for more than 2 seconds.

Press ▼ switch formore than 2 seconds.

Press ▲ switch formore than 2 seconds.

Press ▲ switch.

Setup mode

Warning setup mode
SET1

Warning setup mode
SET2

Peak mode

Operation
Buzzerafter themode is on/oﬀ ofchanged Warning
SET2

Press
▼ switch.
Dimmercontrol

Raise
Lower
Raise
settingsettingsetting
To raise
To lower
To raisefaster,faster,faster,push long. push long. push long.

Lower
setting
To lower
faster,push long.

Returns
to realmode

Peak RPM
is resetandreturns toreal mode.

Brightnesschangesevery timeswitch ispressed.

5sec later Returns to the real mode Returns to the real mode Returns to the real mode

3. Setup

Conﬁrmation

Be sure to make preparatory settings. The unit will not operate properly without the settings being made.
Set up while the vehicle is stationary.

The mode returns to the real mode automatically when any switch is not pressed for more than 5seconds.

raise

If the warning SET1 RPM is set higher than the SET2 RPM:
→The warning SET2 RPM is changed to the same RPM as the SET1 RPM.
Ex) If the SET2 RPM is set at 6000rpm, it is changed to 7000rpm when the SET1 RPM is changed to 7000rpm.

Time

Warning LED

To raise the set RPM of the warning, press ▲switch. Every time ▲switch is pressed, the set RPM is raised
in degree. If ▲switch is pressed long, the set RPM is raised faster. To lower the set RPM of the warning,press ▼switch. Every time ▼switch is pressed, the set RPM is lowered in degree. If ▼switch is pressed
long, the set RPM is lowered faster.
The mode returns to the real mode automatically when any switch is not pressed for more than 5seconds.
※The range of the warning RPM which can be set is from 500rpm to the maximum scale RPM.
※Set the higher RPM than the warning SET1 RPM.

If the warning SET2 RPM is set lower than the SET1 RPM:
→The warning SET1 RPM is changed to the same RPM as the SET2 RPM.
Ex) If the SET1 RPM is set at 7000rpm, it is changed to 6000rpm when the SET2 RPM is changed to 6000rpm.

Set up the number of cylinders and buzzer. The factory setting of the number of cylinders is 4. If the gauge is installed ina vehicle which the number of cylinders is not 4, change the number as follows. The factory setting of the buzzer is ON.
※Even if the battery is disconnected, the setting is not cleared.
In the real mode, the mode changed to the setup mode by pressing ▲switch and ▼switch at thesame time for more than 2 seconds. In the setup mode, the peak and warning LEDs in the gauge
blinks alternately. And the gauge pointer points the number of cylinders. The buzzer beeps. Set up
the number of cylinders and the buzzer on/oﬀ in the setup mode. The mode returns to the real mode
automatically when any switch is not pressed for more than 5 seconds.
press long

LED blinking

Time

Peak LED①Opening and ending mode

The gauge performs the opening ceremony when the ignition key is turned on and performs the ending ceremony when
the ignition key is turned oﬀ.
※The brightness is at the maximum level during the opening mode regardless of the dimmer control setup.
※In case any other Racer Gauge products are already installed in the vehicle, supply power from the same source as theRacer Gauge products to perform the opening and ending ceremony at the same time. If the power is supplied from adiﬀerent source from the others, gauges may not perform the opening and ending ceremony at the same time.

Buzzer

The gauge pointer points at the RPM in real time. The maximum RPM is recorded during this mode.

③Warning mode

In the real mode, when the RPM exceeds the set warning RPMs, the warning LED and the indicator light up/blink asfollows.

【Scene A】When the RPM is lower than the warning SET1 RPM

Beep (short beeps)

The pointer points the number of cylinders.

【Scene B】When the RPM is higher than the warning SET1 RPM
The warning LED is on. The buzzer is oﬀ. The indicator is on in green.

Warning SET1：Factory setting 6000rpm

In the setup mode, the setup of the number of cylinders changes every time ▼switch is pressed (4→3
→2→1→8→6→5→4→・・・(repeat). Match the number on the gauge dial and the number of cylindersof your vehicle.

Scene

The mode returns to the real mode automatically when any switch is not pressed for more than 5seconds.

【B】Setup buzzer
Set whether to turn the buzzer on or oﬀ when warning SET2 is exceeded.
In the setup mode, the buzzer is turned on/oﬀ by pressing ▲switch. If the buzzer is set on, it beeps(short beeps) in time with blinking of the peak and warning LEDs. If the buzzer is set oﬀ, it does notsound.
If the buzzer is set on, it beeps (a long beep) when the RPM exceeds the warning SET2 in the realmode. If the buzzer is set oﬀ, it does not sound.
The mode returns to the real mode automatically when any switch is not pressed for more than 5seconds.

④Peak mode
In real mode

○The RPM is not displayedcorrectly.

○Wiring of the tachometer signal is wrong. ○Check wiring as per instructions in this manual.
○Setting of the number of cylinders is○Check the number of cylinders as per instructions
wrong.
in this manual.

○Does not carry out theending mode.

○The battery wiring is wrong.
○The fuse of the power supply wire isblown out.

○Check wiring of +B as per instructions in thismanual.
○Make sure the wiring is not touched on thevehicle body and then change the fuse.
○Check the solderless connector of battery wiring.

○The illumination brightness ○The illumination is in the brightest level of ○Check if the illumination is in the brightest levelnighttime mode.
doesn't change by turningof nighttime mode and press ▼switch.
on/oﬀ the vehicle○Wiring of the power supply wire is○Check wiring of ILM as per instructions in thisillumination.
improper.
manual.
○Check the lock of the solderless connectors.
○The RPM gauge indicatesis a little lower than that oforiginally equipped
gauge.

○Originally equipped gauges commonly
indicate up to 10% higher RPM.

○Check if the diﬀerence is up to 10%. This
product is designed emphasizing accuracy andshould have little error margin. If the diﬀerenceis bigger than 10%, check the setup of thenumber of cylinders.

○The warning LED lights up
at the diﬀerent RPMs thanset RPMs.

○The warning set1 RPM is set higher than
the warning set2 RPM or the warning
set2 RPM is set lower than the warning
set1 RPM.

○When the warning set1 RPM is set at the higher
RPM than the warning set2 RPM or when thewarning set2 RPM is set at the lower RPM than
the warning set1 RPM, set RPMs are changed
automatically. Refer to Operation section.

○The needle pointer is not
downward before theelectricity is turned on.

○The pointer moves during transfer.

○It is an inherent property of the stepping motor.
The pointer may move when a slight impact ismade to the gauge. Check if it operates normallyby turning on and oﬀ the electricity and thepointer points zero after the ignition is turned oﬀ.

Maintenance & Check / Warranty & Servicing■Warranty card・Terms and conditions

Limited one year warranty. The warranty period starts at the date of retail purchase by the original end-userpurchase. Please conﬁrm the warranty card is provided with the information of retail store where purchased. Pleaserefer to Limited Warranty for details.

CautionExcept in the case of defects, we shall not be liable for any trouble including violation, accident or improper
wiring resulting from using this product.
The warranty does not cover any unauthorized repair performed or caused to be performed by the end user.
Such action can destroy or damage this product.

■Inspection

Please ask the shop you purchased the product for inspection if any defect in product is suspected. We don't
accept the order of ﬁxing because Deﬁ products require installation and wiring to the vehicle. In case you cannot
go to the shop you purchased because of move-out or closure of shop, please ask the nearest Deﬁ Distributor
listed on the Deﬁ website.
For a repair/inspection service, take the warranty card and customer contact information with you.

The label sticked on the product is for the product traceability. Do not peel it oﬀ.

■Discarding the products

Warning SET2：Factory setting 7000rpm

Engine speed

Lower■Warranty period■LabelThe warning LED blinks. The buzzer beeps (a long beep). The indicator is on in red.
※The buzzer does not sound if the buzzer is set oﬀ in the setup mode.

【A】Setup number of cylinders

Corrective Action○Wiring of the power supply wire is○Check wirings of +B, IGN, GND as per
improper.
instructions in this manual.
○The locks of the solderless connectors are ○Check the lock of the solderless connectors.
not locked tightly.

Please conduct periodic inspections by Deﬁ through a shop which sells Deﬁ products or Deﬁʼs oﬃcial distributor
every ﬁve years. Inspection is available at an additional cost. In the case you purchase used products or used
vehicles with products of Deﬁ, Please have an inspection by Deﬁ as well before using them.

The warning LED is oﬀ. The buzzer is oﬀ. The indicator is oﬀ.

【Scene C】When the RPM is higher than the warning SET2 RPM

Warning LED

Possible Cause○Does not operate.
○Power is not supplied.

This product is delivered with this operation manual and a warranty card. Please read terms and conditions in thismanual thoroughly and keep the warranty card in a safe place. Failure to show this warranty will void the warranty.

4.Motion mode

②Real mode

①Setup mode

If any indications of troubles are found in the product, stop the engine and check the product, wiring,and the vehicle right away. Continued use without checking could result in a serious accident.
If any trouble is found while using, setting, and operating, ask the store where this product was
installed or purchased to check the trouble. Inspection by a customer could result in accidents ormalfunction.

※The range of the warning RPM which can be set is from 500rpm to the maximum scale RPM.
※Set the lower RPM than the warning SET2 RPM.

LED blinking

lower
Setting of
number ofcylinders

To raise the set RPM of the warning, press ▲switch. Every time ▲switch is pressed, the set RPM is raised
in degree. If ▲switch is pressed long, the set RPM is raised faster. To lower the set RPM of the warning,press ▼switch. Every time ▼switch is pressed, the set RPM is lowered in degree. If ▼switch is pressed
long, the set RPM is lowered faster.

In the real mode, the mode changes to the warning setup mode SET2 if ▲switch is pressed for morethan 2 seconds. In the warning setup mode SET2, the warning LED blinks as follows:

press
long

Warning

Condition

Warning LED【B】Warning setup mode − SET2

2. Switch operation list

The following is the list of operations with switches. In the setup mode and the warning setup mode, each modechanges to the real mode when any switch is not pressed for more than 5 seconds.

Time

Trouble Shooting(for customer and installation personnel)

Higher【Scene A】【Scene B】

Warning LED

Oﬀ

On【Scene C】
Blink

BuzzerOﬀ

Oﬀ

Beep(a long beep)

Indicator

Oﬀ

On(green)On(red)Please dispose products in accordance with disposal laws, state laws and local government. A recycle label on the
package indicates that the package is recyclable.

Terms and Conditions (for customer)
LIMITED PRODUCT WARRANTY AND LIMITED PRODUCT LIABILITY

A. Limited Warranty
a. Our sole obligation to you after the sale of a product is to replace, without charge, the product or any
component thereof discovered to bee defective within a period of one (1) year from the purchasingdate(the "Warranty Period"). You accept sole responsibility for the proper assembly operation andregular maintenance of the product. This limited warranty is void if any product is damaged by
accident, misuse, improper installation, or abuse, including tampering or damage in transit. Further,
this limited warranty is void if you sell or otherwise transfer a product to a third party, regardless ofwhether the transfer takes place within the Warranty Period.
b. Out liability to you resulting from the sale of any product, including liability for any latent defects
found within the Warranty Period, shall not exceed the total purchase price paid for the product byyou.
c. YOU UNDERSTAND AND AGREE THAT WE MAKE NO REPRESENTATIONS OR WARRANTIES OF ANY
KIND, EXPRESS OR IMPLIED AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITION OF THE
PRODUCT OR ANY COMPONENT PARTS THEREOF, ITS MERCHANTABILITY OR ITS FITNESS FOR ANY
PARTICULAR PURPOSE AND YOU ACCEPT IT, "AS IS," "WHERE IS."d. You also understand that we are not granting any express warranties, other than those stated herein.
These include only those warranties enumerated in paragraph A. a. There are no other express
warranties granted anywhere in these terms and conditions of sale, and you understand and agree tothis fact as part of the bargained for exchange of this sale. Nowhere else, except as stated in thisparagraph, in this contract is there intended, by either party, for there to be any express warranties
granted to you.
e. EXCEPT AS OTHERWISE PROVIDED HEREIN, WE SHALL NOT BE LIABLE FOR DAMAGES, INCLUDINGSPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES WHETHER IN CONTRACT OR IN TORT ARISINGOUT OF OR IN CONNECTION WITH THE PERFORMANCE OF ANY PRODUCT OR ANY COMPONENT PART
THEREOF OR ITS USE BY YOU, AND WE SHALL NOT BE LIABLE FOR ANY SPECIAL, INCIDENTAL OR
CONSEQUENTIAL DAMAGES ARISING OUT OF OR IN CONNECTION WITH YOUR USE OF THE PRODUCT.
f. The warranty on this product is void if the product is modiﬁed, changed, adjusted or damaged. This
product is to be used only in the ways for which it is designed and marketed for, any deviations fromthe intended uses will void the warranty and will excuse any possible liability of ours.
g. You accept sole responsibility for the proper assembly, operation and regular maintenance of the
product. This limited warranty is void if the product is damaged, changed, altered, or modiﬁed by
accident, misuse, improper installation , or abuse, including tampering or damage in transit or while
in use. YOU HAVE MADE AN INDEPENDENT INVESTIGATION OF THE PURCHASED COMPONENTS ANDHAVE RELIED SOLELY ON YOU OWN INVESTIGATION, BARGAINING AND JUDGMENT IN REFERENCE
THERETO. YOU ACKNOWLEDGE THAT YOU ARE NOT RELYING ON OUR SKILL OR JUDGMENT TO
SELECT OR FURNISH GOODS SUITABLE FOR ANY PARTICULAR PURPOSE IN PURCHASING OURPRODUCTS, YOU HAVE NOT RELIED OR ACTED UPON ANY REPRESENTATIONS OR WARRANTIES ON
OUR PART NOT SPECIFICALLY SET FORTH HEREIN.
h. This limited warranty gives you speciﬁc legal rights. You may also have other rights which vary fromstate to state. Some states do not enforce contractual limitations on how long an implied warranty
lasts, when an action may be brought, or the exclusion or limitation of incidental or consequential
damages, so the above limitations or exclusions may not apply to you.
B. Modiﬁcation Strictly ProhibitedYou understand and agree that any modiﬁcation whatsoever , of the product, is strictly prohibited.
You also agree not to modify the product in any manner regardless of whether such modiﬁcation ismaterial or immaterial. You also acknowledge that any modiﬁcation of the product will void yourlimited warranty and bar you from any recovery or any remedy in a court of law or equity.
Modiﬁcation is strictly forbidden unless expressly authorized by our prior written approval. You
agree not to make any modiﬁcations to the product and agree not to use any parts, components, oraccessories in connection with the installation and use of the product that are not authorized andapproved by us.
C. Indemnity and Releasea. You understand and agree that many factors beyond our control aﬀect the operational safety of the
product, including but not to limited to the installation of the product according to the instructions
provided with the product.
b. You also understand and agree that the installation of the product may involve the use of tools,
equipment and construction methods which may present safety hazards which are beyond ourcontrol. You also understand and agree that the use of some of our products may create hazards andlower your ability to control your vehicle.
c. You agree, as part of the bargained for exchange, to protect, indemnify, save harmless and release us,
our authorized agents, employees, oﬃcers, directors and shareholders from and against all liabilities,
obligations, claims, damages, penalties, causes of action, costs and expenses, imposed upon or
incurred by or asserted against us or any assignees of ours, by you or any third party by reason of theoccurrence or existence (or alleged occurrence or existence) of any use, installation, assembly,
possession or operation of the product, any loss, damage or destruction of the product as of andafter delivery(a "casualty occurrence"), and any other act or event relating to or caused by the
product, including but not limited to, consequential or of the terms and conditions hereof, or any
and all liability for property loss or damage, or any and all damage resulting from death or personal
injuries, including loss of services which any person may sustain on account of, arising out of, or inconnection with any use, maintenance, possession or operation of the product. In the event that any
action, suit or proceeding is brought against us or any of our authorized agents, employees, oﬃcers,
directors or shareholders by reason of any such occurrence, you will, upon our request and at yourexpense, resist and defend such action, suit or proceeding or cause the same to be resisted anddefended by counsel designated and approved by us.

In the real mode, the peak LED lights up and the mode changes to the peak mode by pressing ▲switch.
The recorded maximum(peak) RPM is displayed during the peak mode. Every time the maximum RPM
is updated, it is recorded. The peak mode returns to the real mode by pressing ▲switch again.
In the peak mode, the peak LED blinks and the maximum RPM is reset by pressing ▲switch. Then thepeak mode returns to the real mode.
※Even if the battery is disconnected, the recoded maximum RPM is not cleared.

To peak mode

※The buzzer sounds when switches are pressed. It cannot be turned oﬀ.

Returns to real mode

Peak LED blinks and recorded maximum RPM is reset.
Then pointer points at 0rpm and mode returns to real mode.

⑤Dimmer control
In real mode
unusedIn the real mode, the brightness of the gauge illumination is controlled by pressing ▼switch. There
are 5 stages for the daytime and 6 stages for the nighttime. The brightness can be decreased/increased with the vehicle lights switched on/oﬀ.
※Even if the battery is disconnected, the set level is not cleared.
※The brightness level does not change even if ▲switch is pressed. The mode changes to the peak mode.
Brightness levelDaytime(vehicle lights oﬀ)
Nighttime(vehicle lights on)

BrighterDarker■→■→■→■→■■■→■→■→■→■

Racer Gauge N2 Φ80 Tachometer Operation Manual■ Issue Third edition: July, 2022
■ Manufacturer Nippon Seiki Co., Ltd.
■ Contact Information Deﬁ, Nippon Seiki Co., Ltd.
【Address】2-34 Higashi-Zaoh 2-chome, Nagaoka-shi, Niigata 940-8580 JAPAN【URL】https://www.deﬁ-shop.com