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Recommended Wiring Harness for Rewiring a 26 Foot Gooseneck Stock Trailer  


I have a 26 foot goose neck stock trailer which currently has 4.5 inch circle lights. Currently only one light works and I am looking to rewire the trailer. Which wiring harness so u recommend?


Helpful Expert Reply:

It sounds like you are wanting to rewire your gooseneck trailer with a 7-way connector.

To do this I recommend the 7-way connector # H20046, the bonded 16 gauge 4 wire per foot # 16-4B-1 for the trailer and the 10 gauge jacketed wire # 10-2-1 for the brakes and ground.

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.

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, and electrical tape.

If you wanted to tell me what the GVWR of your trailer is I'd be more than happy to help you pick out lights to fit your trailers requirements.

I have linked all the above products as well as a few Help Article on wiring and light requirements for your convenience.

expert reply by:
Jackie C
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