Dr.Roc GM Instrument Cluster Gauge Stepper Motor Repair Kit X27 168 (6 Motors,10 Backlight Bulbs,1 Remove Tool,Flux Rosin Core Solder) The latest generation,Premium stepper motors,quiet operation and reliability,Perfectly Replace for the older and faulty XC5-168, X15-168 ,X25-168 and X27-168 stepper motors that came in your vehicles,Use the tool on the upper left corner to check whether this product fits your vehicles Used for the repair of the speedometer,tachometer,oil pressure gauge,transmission temperature gauge, battery voltage gauge, water temperature gauge or fuel gauge;Solve the common probblem of GM vehicles such as:gauges dead,chatter,sticking,false/jumpy/inaccurate readings,pegged out to the left or right of the dial, ratchet up or down,sticky needle movement,erratic gauge movement etc Each gauges of your instrument cluster need one motor,since one stepper motor went out will result all the motors go out soon. check the stepper motor quantity of your vehicles to decide to buy the 6 or 7 one It is easy to use,but youd better to search the instructions Video on Internet first,which is very helpful Dr.Roc-Most trusted auto accessories expert,millions buyers' choice, excellent customer service with 12-month warranty