Electric Trailer Brakes

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Sep 22, 2009 | 10:51 PM

fire3110

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Joined: May 2008

Posts: 73

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From: Maryland's Coast

Electric Trailer Brakes

I have an 08 Expo EL EB. My Dad has an 08 Expo EL Limited. His came with a trailer wiring hookup with both the Class I (4 Pin) and the Class IV (7 Pin). Mine came only with the 4 pin. We have a large 24' trailer with elec trailer brakes. His has the brake control mounted in it and the trailer brakes work great when plugged into the 7 pin. We intalled the brake control as Ford put a plug for it under the dash. I have the same plug under the dash. If I get a brake controller will the trailer brakes work with my 4 pin connector at the rear of the truck? If not what do I need to do? I didnt find much help in the manual. Thanks in advance.

Sep 23, 2009 | 11:42 AM

J_E_Summit

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Joined: Jan 2009

Posts: 3,339

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From: Smithers, BC, Canada

4 Pin is for lights only.

You would have to install either a 6 pin or 7 pin connector. I don't know about down there, but 6 pins connectors are becoming really uncommon around here.