P Pat H Guest Feb 26, 2009 #1 I am adding O2 sim to my truck and I need to know what colors are the heater circuit, sensor and ground circuit. The old sensor has 2 white wires, 1 black wire and 1 grey wire.
I am adding O2 sim to my truck and I need to know what colors are the heater circuit, sensor and ground circuit. The old sensor has 2 white wires, 1 black wire and 1 grey wire.