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How to Wire a Trailer so that Second Trailer Could Be Towed Behind It


I have 2005 silverado 1500 hd with tow package has 7 pin hookup for my travel trailer but I also tow a small utility trailer behind my travel trailer need to know how to get lights to second trailer.thankyou


Expert Reply:

The correct part you would need would be the 4-Pole Wiring Harness part # 118603. You would need to use quick splices like part # SWC501746-1 to connect the wires of this harness to the correct wires of your travel trailer taillight wiring.

The brown wires will run to the running light circuit, the green to the right stop/turn, the yellow to left stop/turn and the white to the ground circuit of the trailer.

This will give you all of the taillight signals on a 4-way that you would need for your small utility trailer to plug into and function properly. Hopefully your trailer has LED lights on it because the additional load on the circuits might be too much for your tow vehicle and could pop fuses.

I attached a link to all the LED trailer lights we offer.

You will want to make sure that tandem towing is legal in the states you plan on traveling to.

expert reply by:
Jameson C

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