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7 and 4-Way Trailer Wiring Recommendation for 2017 Jeep Wrangler Unlimited  

Published 02/13/2018



Question:

I have a 2017 Jeep JKU with tow package. I want 7 and 4 in a single unit like the Pollak HM40975-11933, but mine only has 4 wires. What are my options? The only none tow package kits that are coming up are 4 pin. Thanks

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Expert Reply:

You will need to start with a 4-way (if you do not have one). For that you would want the # C55124.

Now if your trailer does not have brakes all you would need is the part # 37185 as an adapter to convert the 4-way to a 7-way. This gives you the ability to have a 4-way too.

If you do have trailer brakes you would need the # ETBC7 instead of the # 37185 and a brake controller. This kit comes with everything needed to wire up the 7-way and install a brake controller.

For a brake controller I would recommend the Prodigy P2 Brake Controller part # 90885. This is our best selling brake controller because of how well it works and how easy it is to setup.

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Jameson C
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