97 Gmc Sierra Wiring Diagram. Heres the diagram for 7 pin connector. Yellow radio ground wire.
Radio battery constant 12v wire. Testing the ignition system is a breeze. Yellow radio ground wire.
It may transfer power better so the connector is recommended for higher level electric in the vehicle.
I have a 1997 gmc 1500 sle and need wiring diagram for fuel pump would like to find it online so can. 1 trick that i actually use is to print a similar wiring diagram off twice. Diagrams for the following systems are inc. Wiring diagram 2003 gmc sierra.