Sure Trac 7 Pin Trailer Wiring Diagram. Look at the wiring diagram for your truck and determine the designation given to the ground location for the taillights. The wiring diagram is color coded and shows both the trailer side and the vehicle side.
The seven way shell can be taken down by removing two to four screws, be careful when reassembling the shell. Make sure the innerds are all the way stuffed in and seated before putting any screws back in it. Next, attach each of the seven colored wires.
Vehicle Trailer Wiring at Tractor Supply Co.
Regardless of wire color, the pin position for function is pretty standard.
Always reinsert the lanyard thingy in the breakaway box before reconnecting the trailer connector to the tow vehicle. The top countries of supplier is China, from. Make sure the connections are tight, but don't torque the screws so much you bend the terminal.