How to Wire LED Reverse Lamps on Enclosed Trailer

Published 10/19/2019

Products Featured in This Question

LED Backup Light for Truck or Trailer - Submersible - 10 Diodes - Oval - Clear Lens - Qty 1

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2-Wire Pigtail for Optronics Backup and Utility Trailer Lights - 2-Prong PL-3 Plug

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PVC Grommet for 6-1/2" Oval Trailer Tail Lights

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$2.25

Trailer Light Mounting Bracket for 6-1/2" Oval Trailer Lights, Steel - Black Powder Coat

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16 Gauge Primary Wire - White - Per Foot

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Question:

What do I have to do to wire led back up lights. When truck is in reverse i still only have my constant hot and running lights. What do I hook in in the trailor so they only come on when I reverse?

asked by: Blaine T

Expert Reply:

The center pin on the 7-way trailer connector carries the reverse lamp signal. Install your reverse lamps such as # BUL10CB as well as the # A45CB pigtail and the # A70GB grommet and # BK70BB bracket if needed.

Then, run a length of # DW02359-1 16 gauge wire from the center pin on the trailer connector back to the running lights.

I've linked you to our Trailer Wiring help article.