- SKU: A-131
GM and Chrysler transmission style speedometer sensor. Fits most GM and Chrysler transmissions. Please look at your particular application to ensure fit. Simple installation- Requires 12 volts power (supply voltage), ground and connecting sensor output wire to the speedometer. The sensor generates a square wave signal pulse equal to supply voltage amplitude. No sensor calibration needed when hooked up to our programmable speedometers. Simply drive car 2 miles to set the pulses per mile. Threads are 7/8" - 18 female threads.