Fantastic 7 Pin Trailer Lights

The turn signals on the truck work but not on the trailer.

7 pin trailer lights. In addition they provide three additional pins for a 12v hot lead electric brakes and reverse lights. Both vehicles are wired with a 7 way flat system. Expanded use trailer with brakes aux power amp.

Trailer lights adapter connector 7 pin to a 4 pin connector. Back up lights 7 pin connector. This video shows how to get the 12 volts working on your 7 pin trailer lighting connector.

There is a standard method of wiring a 7 pin trailer connector. Insulation gradually cracks across the aging process and can spur shorts. How to test 7 way trailer rv electrical plugin this video i show how to test a 7 way trailer plug wiring harness for towing a travel trailer or rv by using a.

2006 silverado and similar gm ve. If the wiring is repaired in a repeated fashion or if it is aged it makes sense to rewire the trailer instead. 7 ways provide the required running lights turn signals brake lights and ground for the trailer.

While the basic configuration is a 4 way flat connector that features one female and three male ends you may come across connectors with up to seven pins for additional functions that require wiring including electrically actuated brakes power source for a winch etc. If you don t follow this your trailer or tow vehicle can t be used with any other implement. For trailers that have a little more going on electrically we recommend 7 pin connectors.

If the trailer lights function with such a setup it is clear the issue is with the tow vehicle. The 2 added pins are for auxiliary power and back up lights. Let s see what types of connectors the trailer light wiring industry uses today.