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4-Way and 7-Way Trailer Wiring Recommendation for a 2005 Jeep Grand Cherokee  

Question:

etrailer has recommended that I wire my hitch with t harnes 118394. If I need to have a 7 way for my trailer can I simply use the adapter 30717. I have an 05 Jeep Grand Cherokee. Thanks

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Expert Reply:

For trailer wiring you will need to start with the 4-way part # 118394 that you referenced.

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.

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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Instructions

Instructions for 118394Instructions for 90885Instructions for ETBC7Instructions for 75338

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etbc7
Brake Controller 7- and 4-Way Installation Kit (ETBC7)
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