Unbelievable Pinout For 7 Pin Trailer Plug

The 7 pin connector uses on newer trailers all 7 pins according to the iso standard.

Pinout for 7 pin trailer plug. Reply from chris r. 17 august 2020 at 6 04 pm incredible as it is in this day and age each new standard adds to the long growing list. I have a 2020 3500 chev pk up with factory brake control wiring.

However i have 3 trailers 2 work fine 1 don t. On older trailers there s sometimes a 5 wire setup using a 7 pin connector. Using a phillips head screw driver loosen but do not remove the 7 screws.

We have checked the fuses supposedly and even put the whole new plug on it. If you don t follow this your trailer or tow vehicle can t be used with any other implement. 7 pin round trailer wiring diagram wiring diagram for a 7 round trailer plug new karet trailer wiring diagram new luxury 7 round trailer plug wiring.

This vehicle is designed not only to travel 1 place to another but also to take heavy loads. There is a standard method of wiring a 7 pin trailer connector. As an electrician by trade auto wiring is tangled mess including the weird diagrams that are intended to help.

If your trailer plug or socket also contains a saddle device remove this using the phillips head screw driver. More information follow up questions add comment. All 3 trailers work on 2011 pk up.

Reply from jon g. In these cases exclude connection for right tail light 58r and rear fog light 54g and connect the tail lights only to pin for left tail light 58l. I have no power to any light pins on 7 wire plug w tester.