Typical Trailer 4 Pin Plug Wiring Diagram. A wide variety of trailer plug wiring diagram options are available to you, such as application. Does one of your turn signals not work and you're not sure Various styles of connectors are available with four to seven pins to allow transfer of power for the lighting as well as auxiliary functions such as electric.
Your trailer wiring plug doesn't match the one on your vehicle. All lights were working properly until last weekend, the. Cut the four-pin plug off of the trailer harness.
Referring to a wiring diagram for a trailer comes in handy during installation.
There should be a common color for both the tail lights.
The wife and kids stare daggers into your head So this means your trailer wiring plug will need at least four contacts. This accounts for three of the colors in the wiring harness. Not sure which wires attach to what on your trailer connectors?