7 Pin Trailer Wiring With Breakaway. I just unwraped some of the black tape that makes up the wire harness and used a splice conector to attache the red brake. There is a lot wiring that you have to tie into your truck's wiring harness, but it is easier to do than it seems.
Trailer plug wiring is standardized across all vehicles, no point trying to find vehicle specific info. Someone with this issue should send a PM to the GM Customer Service rep here ASAP to see if this can be remedied. It has the Porsche OEM trailer hitch?
I just unwraped some of the black tape that makes up the wire harness and used a splice conector to attache the red brake.
Many times, trailer wiring is as easy as inserting the trailer plug into your vehicle's Another situation might find you with a seven-pin connector on your tow vehicle and a four-pin connector on your trailer.
The seven pin plug on our travel trailer was not staying plugged into the truck very well and the breakaway switch had a worn wire. It shows the components of the circuit as streamlined shapes, and the power and also signal connections in between the devices. I am trying to determine which pins are necessary for backup lights to come on when the vehicle is put into reverse.
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