Wiring Diagram For 7 Pin Trailer Connection On 99 Silverado. The wiring diagram is color coded and shows both the trailer side and the vehicle side. However, the additional wires for battery charging and electric brakes are just hanging loose and unconnected.
I want to connect these wires to take advantage of all the features of the. There is a long thread on this forum that has all the part numbers, it is all about trailer hitches. You were looking for the wiring diagram/colors for the truck connectors instead of the trailer plug wiring.
You were looking for the wiring diagram/colors for the truck connectors instead of the trailer plug wiring.
You should only need to change the wiring from the connector by the spare tire, and install the relay and fuses for this.
I have hooked up a trailer light and it works manually, but I have not been able to get it to come on automatically. I mounted the lights, but am not sure how to properly wire them up. Determine which color wire supplies constant power to the ignition switch.