Who is using the Curt Custom Towed-Vehicle RV Wiring Harness for flat towing on a JL?

davewald

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Dave
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I know this harness has been mentioned in several posts, but I wanted to find information from someone who has (1) actually installed one, and (2) has enough experience towing with it to give a meaningful review. I am setting up my '21 JLR up for flat towing, and have reached the stage where I need to commit to a lighting solution. Any input would be greatly appreciated.
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Captain Skip

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I put it on my JL, it works great. The hardest part is just snaking the power lead to the battery. I tow my JL with a Rockjock towplate on the JL and a Readybrute Elite II tow bar with a built in surge brake. I put a tow hitch on the JL too and used the Curt harness for that. It’s plugged in in-line with the taillight plugs.
 

Cliebold

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Captain skip. I too just installed the curt on my 2018. Question what power wire are you referring to. Mine just had the 4 wire ribbon with the 4 wire connection. Also noted a third connector on the left rear which is not connected to anything. Do you know what that is for? And thirdly why doesn’t the 3rd brake lite operate.
 
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