Fine Beautiful Wiring Trailer Tail Lights

At a minimum all trailers need at least 4 functions.

Wiring trailer tail lights. Step 1 the trailer connector should extend 2 3 feet past the tongue. On the vehicle side there will be a female connector while the trailer rv harness will have a male connector. Tail lights brake lights left right signals.

Drill the hole for the grommet using the step drill. This connector is commonly found on most light duty trailers. The lights have been giving me trouble since day one.

When wiring trailer lights make sure to route the harness away from anything that could damage the wires. 4 wires will give these functions so the simplest scheme is a 4 pin connector. Side marker lights are powered by the brown wire.

Attach the ground wire directly to the tongue of the trailer using a self tapping screw 101131802 and a ring terminal dw05702 1. 4 way trailer connector female end. Wiring trailer lights can be a big task and you want to get it right.

If you don t use a tail light kit you can use a 4 way harness like a35w42b. Learn step by step how to wire trailer lights in no time with this tutorial. On this episode of texas e36 garage we learn how to wire up new led trailer lights for the car hauler.

The left brake wire and left turn signal are yellow. It is referred to as such as the system needs a mere four wires for the trailer tail lights turn signals and brake lights to illuminate. The 4 way system is designed so the right brake light wire and right turn signal are green.