2002 Gmc Sierra Trailer Plug Wiring Diagram. This video will show you How to Access the Complete GMC Sierra Wiring Diagrams and details of the wiring harness. CAUTION: If you don't use the correct equipment and drive properly, you can lose control when you pull a trailer.
If you are rewiring your trailer completely, check out our. Or why not make your DIY installation easier with our 'Plug and Play' solutions. It has trailer ready wiring, i.e. it has some wires run to the rear of the pickup for lighting.
I hate to throw parts at it hoping to fix it, like a vent valve, purge flow valve, vapor canistor, most of which I might not know where they are located or have troble disconnecting the associated hoses or wiring plugs.
It felt as if the rear wheels were doing some of the steering - and they were.
I'd use the trailer connector harness located under the bed if you don't have a hitch, or plugged into the trailer connector if you do have a hitch. It has trailer ready wiring, i.e. it has some wires run to the rear of the pickup for lighting. CAUTION: If you don't use the correct equipment and drive properly, you can lose control when you pull a trailer.