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Wiring Lights to Junction Box on Trailer  

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.

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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.

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Kyle S
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