Clearance Lights Wiring Diagram For Trailer

5 way trailer wiring diagram allows basic hookup of the trailer and allows using 3 main lighting functions and 1 extra function that depends on the vehicle.

Clearance lights wiring diagram for trailer. An extra pin allows using another extra function. When installing a sidemarker light such as this optronics trailer light mcl44ab you will want to splice into the signal wire for your trailer running lights circuit and then run the ground wire to a clean metal surface. You would then need to wire the two white wires coming from the trailer to the ground for the clearance light. Also it must connect with things if included that use the aux power and back up lights too.

4 pin this is one of the better videos we have come across that shows how to wire the tail lights on a utility trailer with a 4 way trailer wire connection. 5 wire trailer wiring diagram. So here i have an older trailer which needed some work along with re wiring the lights. This is a fairly simple setup no license plate light or clearance lights.

The black wire will be the power wire and the white wire is the ground wire. 7 pin this is an excellent in depth video on how to wire a 7 way round trailer plug that includes wiring diagrams. In this case you would wire the two green wires to the power wire coming from the clearance light. Some trailer builders just connect this wire to the frame then connect the ground from all the other lights and accessories to the frame as well.

How to wire trailer lights. Wiring this way allows the ground and tail light wiring to carry on to the next light inline on that side of the trailer.