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Recommended Brake Controller For A 2022 Jeep Grand Cherokee Trailhawk 4xe  

Published 11/10/2023

Question:

I keep reading conflicting info on brake controller which will fit my 2022 Jeep Grand Cherokee 4XE Trailhawk has factory tow package. What controller will work? Do I have a plug in port?

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Expert Reply:

As far as I can confirm there is not a plug-in port available for a 2022 Jeep Grand Cherokee 4xe. You can try reaching out to Jeep/Mopar but I can't find anything from them stating that there is a plug-in option so you'll have to go with a splice in option.

For this I recommend the Redarc Tow-Pro Liberty Brake Controller # RED24FR along with the Universal Wiring Harness # RED69FR. This brake controller has the smallest footprint on the market for more mounting versatility and a cleaner, factory look. The wire harness will need to be ran in the following manner:

Black - 12v power with in-line fuse # 331-CBK30-EB
White - Ground
Red - Tap into brake light switch wire
Blue - Brake output to trailer brake assemblies

Since the brake light switch wire isn't useable on your Jeep you'll need to install the Roadmaster Stop Light Switch # RM77RR in order to simulate the signal for the red wire of the harness.

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Kevin C
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