Diagram For Wiring A Trailer 4 Pin Ground. The wiring and pin connection are on the ballast label in the form of a diagram. Your trailer wiring plug doesn't match the one on your vehicle.
Not sure which wires attach to what on your trailer connectors? Your trailer wiring plug doesn't match the one on your vehicle. Unless there were common earths with.
Cut the four-pin plug off of the trailer harness.
Check the ground going to the block too (near the starter I think) as I heard some had isssues with it not being properly tightened.
Wiring Diagram for black, yellow, green, blue PWM fans. I got ground off the frame. If a component is most likely found in a particular.