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Installing New Trailer Lights and Wiring on a Horse Trailer

Question:

I am rebuilding my horse trailer and I am replacing all the lights. I am going to the 4inch round flush mount lights mounted in rubber mounts. I need all the clearance lights as well as the associated plugs to hook up the lights. Do you sell complete kits or do I need to piece everything together? I do not need led, they would be nice but I know they cost more. I am also looking to work on a budget.

1

Helpful Expert Reply:

There isn't a kit available for what you are looking for, but you can still piece everything together.

For grommets to use with the # ST45RB you would want the part # A45GB and then for a pigtail you would want the part # A45PB.

Often times, people will run the wires from a 7-way such as yours to a junction box like part # 38656. From there, they will run the standard wire colors to the trailer lights, brakes and battery. I have attached a photo that shows how this setup works in the junction box. Most molded 7-way pigtails will come wired with the RV style color code. If you ever need to replace your 7-way connector in the future, you could simply open the junction box, remove the connector and wire loom and install a new, molded 7-way trailer connector.

I have attached a video showing the installation of the junction box. In this video, our installer uses a 7-way molded connector with the RV style color code like your 7-way connector. He also uses the traditional wire colors going out of the junction box to the trailer lights and brakes. He uses the appropriate lengths of 16 gauge Bonded 4 Wire, # 16-4B-1, for the trailer lights and 10 gauge Jacketed 2 Wire, # 10-2-1, for the trailer brakes and ground.

Additional hardware that you may need is 3/16 Inch Ring Terminals, # 44-5310A, 1/4 Inch Ring Terminals, # DW05702-1, 12-10 Gauge Butt Connectors, # 05732-2, 16-14 Gauge Butt Connectors, # 05731-5.

You didn't mention what clearance lights you are interested in so I attached a link to a page that has all of the ones we carry.

helpful expert reply by:
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Jameson C

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