Fuel Level Capacitance Universal Sender* (sold separately): If you are using a fuel level gauge from Speedhut with the Fuel Level Sender from Speedhut, use the gauge's factory default range (240 Ohms = Empty and 33 Ohms = Full).
*Additional electronics maybe required for use with other brands' fuel level gauges (If used with a fuel level gauge from Speedhut, no additional electronics are required).