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Running wires from front to back can be a pain, but this 30 ft. wishbone harness keeps it simple. The left and right stop/turn circuits are split out separately, so you can route each side of the trailer without having to splice or double-back wires. It’s a straightforward way to wire lights cleanly and keep the job organized.
This harness includes a 5-flat vehicle-end connector that supports standard running, turn, and brake lights along with an extra circuit—often used for backup lights or a reverse lock-out solenoid on surge brakes. It’s built as a plug-and-lead setup, so you can tie it straight into your trailer wiring for a solid connection every time.
Good grounding and signal power make all the difference in trailer lighting reliability. This harness includes a dedicated 30" ground wire for a clean, steady ground point and a 5 ft. blue wire to run that fifth function wherever it’s needed. Those details help keep lights bright and functions consistent run after run.
Whether you’re fixing old wiring or building from scratch, this splice-in harness works with just about any trailer setup. The universal fit means you can adapt it to different layouts without special connectors or converters. It’s a simple, dependable way to get your trailer wiring squared away and ready for the road.
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Hi, everybody. Andy here with etrailer.com. Let's take a real quick look at this Wishbone 5-Way Trailer Harness. Now, this is a 30-foot-long split wishbone 5-way trailer wiring harness. And as you can see here, we have these five conductors here and a 30-inch-long ground wire with a ring terminal at the end. And then this harness also comes with a fifth 5-foot blue wire that can be used for lights or brakes.
And so you are going to receive exactly what you see here. The harness will be bundled like this. And I kept it bundled this way just to keep it manageable on my table here, but this is going to be that split wishbone wiring design. And this is also going to be an exact replacement for the Truck Lite number that you see there, 002280. So this harness is built for easy and quick connections, giving you a dependable all-in-one solution for your trailer wiring needs.
So whether you're hauling a boat, an RV, or any other type of trailer, this harness is going to make sure that your lighting and braking systems are gonna work reliably every time you hit the road. Well, that's gonna wrap up our quick look today. I do hope that it was helpful for you. Again, my name is Andy. Thank you for joining me.
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Ratings & Reviews
Great customer service. Website was very easy to find everyting I needed.
Easy to install using old harness as a drag. Works perfectly hooked up to a set of waterproof LED lights. I expect to get many more years out of this setup than from OE.
Info for this part was:
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Brooke M.
4/22/2025
That's great! So glad it was smooth sailing from start to finish, Tom. :)