Breathtaking Auxiliary Wire For Trailer

The auxiliary or back up wire on a 7 way trailer connector like hm20041 is used to power to things like interior trailer lights or other 12v accessories.

Auxiliary wire for trailer. If only lights are in the circuit and the lights are led low power then a small white wire is acceptable. Use two different colors of wire such as red and black so you can easily identify positive and negative. This auxiliary 12 volt can also supply a maintenance charge to the trailer s battery and breakaway battery.

The auxiliary wire will also allow you to use other 12 volt trailer accessories like an electric jack. Can also be used as custom wiring on trailers with 3 light wire systems. We also recommend connecting the white wire directly to the trailer frame in addition.

This is the wire you want. If you do not need a reverse circuit you can just tape the yellow wire up and out of the way. Use on a small motorcycle trailer snowmobile trailer or utility trailer.

It can also be used to power backup lights but not many trailers are equipped with those. The red and blue wire can be used for brake control or auxiliary. Run two wires from the trailer end of the seven pin connector to the trailer battery.

Best auxiliary wires trailer selection available. Lowest price guaranteed same day shipping thousands of auxiliary wires trailer reviews. Some trailers may need an auxiliary power source to power additional 12 volt items on the trailer but this isn t as common as you might think.

You can use standard 10 gauge electrical wire but thicker wire will carry more current and give a better charge. There is a dedicated brake wire typically blue on your 7 way trailer connector which runs back to each of your brakes. This wire should be at least as big as the largest wire in your harness.