Wiring Lights to Junction Box on Trailer

Updated 03/02/2020 | Published 02/29/2020

Products Featured in This Question

Optronics LED Trailer Tail Light - Stop, Turn, Tail - Submersible - 10 Diode - Oval - Red Lens

(2155)

$16.36

Trailer Wiring Junction Box

(824)

$35.47

Ring Terminal - 12-10 Gauge Wire - 3/16" Ring ID

(71)

$1.17

Question:

I purchased this light and want to run it to a junction box I purchased from Etrailer. My question is how do I wire the stop/turn function to the junction box and have it correctly wired to my 7-way.

asked by: Devon G

Expert Reply:

To wire your trailer and 7-way to the Junction Box Trailer Wiring Junction Box # 38656 you simply need to attach your trailer 7-way like the 7-Way Connector # H20046 to the box with Ring Terminals # 44-5310A.

The Optronics LED Trailer Tail Light # STL78RB is a three-wire light with ground, tail and turn signal/brakes. You should have wires run to attach the lights from the light to the appropriate spot on the junction box, depending on how you wired it from your 7-way.

I have added links to a couple videos showing examples of wiring a junction box as well as a link to a help article on trailer wiring I strongly recommend taking a look at.

expert reply by: Kyle S