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CaptainSkip 10-21-2020 06:05 PM

Brake circuit disconnect Jeep Wrangler JL
 
Just traded in my 2015 Wrangler JK for a 2020 Wrangler JL. I'm using the Readybrute tow bar again. I ordered the plug and play wiring harnesses for the Jeep's brake/signal lights and I'm getting ready to install them. NSA (Readybrute) recommends adding a Brake Signal Disconnect so that the Jeep's brake lights don't override the signal coming from the motorhome's lights. I did that on the JK and didn't have an issue. But, it looks like the brake light wiring on the JL is more complicated. Has anyone added a brake signal disconnect (it's a relay) to their JL? If so, where did you add it and which wire did you use to connect to the relay?


Thanks

RayandWendy 10-21-2020 06:39 PM

I just used the harness from Mopar. Everything built in, plug and play, but not cheap.

Later ...
Ray

CaptainSkip 10-21-2020 07:13 PM

Quote:

Originally Posted by RayandWendy (Post 5489885)
I just used the harness from Mopar. Everything built in, plug and play, but not cheap.

Later ...
Ray

I looked at the Mopar harness. I ended up with the Curt plug and play harness. The brake disconnect is to prevent the Jeep brake lights from overriding the signal light power from the RV.

jtyphoid 10-21-2020 07:50 PM

The Mopar harness wasn't yet available when I was setting mine up, so I went with the CoolTech harness. Installation wasn't plug-and-play, but it wasn't all that difficult. It has been working flawlessly and does have a switch to keep the signals separate.

JMonroe 10-22-2020 07:41 AM

Can't speak to the harness you mention, I too used the Cooltec harness. Follow the directions (I also found a U-Tube video on the install), take your time. Not difficult, relatively easy access to the connection point (remove a couple of interior trim panels) and less than 1/2 the cost of the Mopar harness.


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