Heavy Duty 7 Way Trailer Plug Diagram. By law trailer lighting must be connected into the tow vehicle s wiring system to provide trailer running lights turn signals and brake lights. However if you are looking for a more permanent solution you would need to remove your 7 way round connector and wire up the trailer wiring to a 7 way flat connector like part pk12706.
I will list the typical heavy duty truck wiring connections inside the plug on. Pollak wiring pk review video. 7 way trailer wiring diagram represents wire location and color but is not supplied to.
Heavy duty 7 way plug inline trailer cord with double prongs connector 8ft.
However if you are looking for a more permanent solution you would need to remove your 7 way round connector and wire up the trailer wiring to a 7 way flat connector like part pk12706. Most of us aren t electricians but that doesn t mean wiring a trailer or replacing corroded wiring is beyond us. The basic purpose remains the same whether your truck and trailer is using a 4 way 5 way 6 way or 7 way connector. Stop into our harrisburg pa dealership today or call to learn more.