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4-Way trailer harness connects to your tow vehicle to control trailer light functions. Wishbone-style harness comes with 2 tail light wires split for simple wiring.
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 Optronics 20 foot long Wishbone 4-Way Trailer Wiring Harness. Now this 4-way trailer wiring harness will install on your trailer and connects to your tow vehicle to control your trailer light functions. This one we call a wishbone-style harness 'cause it's designed to have two brown taillight wires, one for each side of the trailer, that'll split for simple wiring of your trailer. This will allow you to run wires separately down each side of the trailer to your taillights without needing a jumper wire.
If you notice the ground wire on this with the eyelid on it, is the white wire that has 30 inch length to it. We mentioned the total wire harness length is 20 feet, and the wires are color coded, so that'll help with installation. We mentioned the white is your ground. The brown, there's two of 'em, one for each side, those are your tail lights, and then you'll notice the brown right here. If we do the brown and the yellow side, that's for your driver's-side stop and turn, and this one here is the brown and the green wire, which is your passenger-side stop and turn.
So you just run those down each side, driver's side and passenger side, and you don't have to run a jumper wire in between. But that should do it for the review on the Optronics 20 foot long Wishbone 4-Way Trailer Wiring Harness.
Customer Satisfaction Score:
98% were satisfied with this product
2% of customers were not satisfied
Ratings & Reviews
Michael I.
4/24/2022
Outstanding
Jonathan
5/26/2022
Very good. Product has held up nicely
Heather A.
9/26/2017
First you want to make sure your ground wires on your vehicle wiring and your trailer wiring are attached to bare corrosion free metal. If your grounds are properly attached, It sounds like you have a short circuit somewhere. You need to determine where the short is. To determine where the short is you need to test the vehicle side wiring and the trailer side wiring with a 12v probe-style circuit tester. I have attached a link below to help you.
Helpful Links
John M.
7/31/2019
No problems! I installed in on my brother-in-laws work van and he hasnt complained.
William W.
7/23/2021
As advertised . Shipping was slow
Mark V.
11/25/2015
Just fine still working correctly
Gale F.
4/2/2015
Holding up well after a year
Rod
1/8/2013
But the specs told you 30 inch ground. How can you give a bad review because you cant read?????
Craig H.
5/8/2018
The wiring harness is still fully functional as expected
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Martin F.
10/19/2015
Thanks for the follow up - One year later the products are working spectacular and I keep plugging away at your company - telling all of my friends about it.