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Trailer Wiring Needed to Tow a Trailer with a 7-Way with a Tow Vehicle that has a 4-Way  

Question:

I have the 4 pin flat connector on my truck. But the trailer I need to pull has the 6 blade connector. Can you tell me which adapter I need to be able to get the trailer lights working? Thank you.

0

Expert Reply:

Sounds like your trailer actually has a 7-way since the 7-way has 6 blades that go around the outside of the connector and a center pin.

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.

expert reply by:
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Jameson C
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Instructions

Instructions for 90885Instructions for ETBC7

Miscellaneous Media

etbc7
Brake Controller 7- and 4-Way Installation Kit (ETBC7)
Trailer Brake Controller Installation - 2009 Dodge Dakota
Trailer Brake Controller Installation - 2009 Dodge Dakota - Video
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