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This universal harness can be hardwired into your tow vehicle's wiring system so you can install a 7-way trailer connector.
Features:
Specs:
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Hello everybody, this is Jeff at etrailer.com. Today, we're gonna take a look at this Curt Universal Wiring Harness for Vehicle-End Trailer Connectors. Now, this universal harness can be hardwired into your tow vehicle's wiring system, so that you can install a 7-way trailer connector on any vehicle. If you see on the table here, it includes everything shown here, the 7-way connector, in the bag here they have seven butt splices to connect your wires, seven heat shrinks to seal them, couple of cable ties, and a nice set of instructions that'll describe how this installs. Now, this harness is referred to as a US car connector, and a US car 7-way socket is a standardized automotive electrical socket, provides a connection point for trailer wiring. This socket's used across several different makes and models, so it allows for easier access to parts for both manufacturers and vehicle owners.
Now, on this one here, the specs on this is the wiring, and just go over each wire and what it connects to. We'll start with the green wire, the green wire is for your right turn signal, the yellow wire is for your left turn signal, the white will be your ground wire, the brown wire right here, that'd be your taillights and side marker lights, the blue wire is electric brake, the black is auxiliary power, and the last one is the purple wire, which are backup/reverse lights. And you can see if this stretches out, it gives you about 24 inches for the length of wires on those. But that should do it for the review on the Curt Universal Wiring Harness for Vehicle-End Trailer Connectors..
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Ratings & Reviews
Colin A.
8/29/2018
Still working great thank you
Kem
12/6/2020
Still connected, was a great upgrade for my truck that did not have one
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Brooke M.
6/30/2025
That's awesome, Justin, right on! What do you tow with your harness?