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Your cart is empty.Like trailer hitches and ball mounts, electrical connectors range all over the board in shape, size and capability, but no matter what your trailer's electrical functions are, you need a solid connection to keep the power flowing and ensure safety on the road. CURT electrical connectors are designed and manufactured to give you a reliable connection every time you plug in your trailer. This 4-way flat connector is designed to supply power for tail lights, turn signals and brake lights, as well as a ground connection. It features durable rubber-molded construction and is made with 12" of standard color-coded, bonded loop wire to easily splice into your vehicle's wiring system. It includes both a vehicle end and trailer end and can be cut to splice into existing wiring or left as a loop to serve as a useful extension harness. It is compatible with all 2-wire vehicle systems.
Crabby
Reviewed in the United States on March 24, 2025
Works fine. Doesn’t come with a contact protection cover or wire sleeve to protect multiple wires, but it works for now.
ASW
Reviewed in Canada on March 24, 2025
10+++
Plumb
Reviewed in the United States on March 14, 2025
Extension for extra brake light.
l.haynes
Reviewed in the United States on March 10, 2025
Good buy.
Mike Tracy
Reviewed in the United States on February 1, 2025
Works great
Clifton S.
Reviewed in Canada on September 16, 2024
Work perfect for the use instead
mike
Reviewed in Canada on August 5, 2024
I liked the price and fast delivery. I used this to repair a poor trailer connection
Joe M
Reviewed in Canada on August 25, 2024
I cut the wires in middle and used it to replace my worn out connections on trailer and suv
SteveB
Reviewed in the United States on July 7, 2024
I was getting ready to use a spare harness to extend my trailer harness about 6". This extension is perfect. Saves a lot of work, and just throw it in the truck with the 7-4 pin adapter! Problems solved.
An Customer
Reviewed in the United States on May 22, 2024
I bought a boat on a trailer with a wiring harness that was shorter than my other trailers. I bought this extension. It took longer to unwrap than it did to install. I leave it on all the time. Fit and finish are perfect, it performs without any issues. Just what you hope for with any purchase.
Denis brouillette
Reviewed in Canada on March 1, 2024
Good
DAVID C. PALMER
Reviewed in the United States on November 21, 2024
It’s not a whole Lot of other junk that comes with it!
Big Tex
Reviewed in the United States on August 8, 2022
bought a new truck and the trailer wires didn't reach the new plug on this truck. this 12" extension was perfect, local box store had it for almost 4x the price, and a big blue hardware store had one for about 10 bucks but it was 4' long and that was too much extra wire.
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