Hi Speed Circuit Diagram For 1979 GMC Light Duty Truck (Series 10-35)

The following schematic is the hi speed circuit diagram of the 1979 GMC Light Duty Truck (Series 10-35). Be sure to study and understand this circuit diagram first before we try any wiring work in our truck. The components you will see inside are including: park switch, dash switch, shunt F – natural wire, etc. (Click image to enlarge)

 Hi speed circuit for 1979 gmc light duty truck series 10 35

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