How To Wire Reverse Lights On Trailer. I want to add reverse lights to my trailer for the times I come back at night and am backing it into backyard. Trailer Wiring Diagram. . . (If you do this, connect the blue wire to the reverse lights on the vehicle side, then be sure to note what you've done.) Better yet, use a purple wire and label it.
Four wire trailer light connectors the typical type of connection used for pulling small to medium boat trailers and small utility trailers. The white wire is the ground on trailer wiring. If you need to find the right reverse lead wire to trigger your rear view backup camera install, This tutorial is for you. www.lesscosales.com.
I spliced the yellow wire into the white striped wire in my drivers side reverse light.
The white wire is the ground on trailer wiring.
How many wires did you splice into and run to the new frame? Use the reverse light wire on the trailer on the control side of a relay. Some trailer wiring kits include the connectors and supplies needed for installation, but some don't.