Electric brake question
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New User
Joined: Dec 2005
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From: Ontario, Canada
Electric brake question
I want to add a brake controller to my E350. I already have a regular flat-4 connector. If I (dealer install) add the controller and related wiring, would I lose the flat-4 for (I think a 7) or can I have both? I will tow both types of trailers....
jeremy
jeremy
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Joined: Nov 2005
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Originally Posted by GBGIVER
I want to add a brake controller to my E350. I already have a regular flat-4 connector. If I (dealer install) add the controller and related wiring, would I lose the flat-4 for (I think a 7) or can I have both? I will tow both types of trailers....
jeremy
jeremy
Cargo Master
Joined: Oct 2004
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From: Seneca, SC
I also have the combo. I don't use the 7 pin currently, but you never know. I think you can pick one up at most auto stores, and the 4-pin can get wired into the rear circuits of the truck's onboard lights if nothing else. I had to do this to get my 77 wired right.
Senior User
Joined: Nov 2005
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From: Big Red country
I have both and find them both handy. On occasion, I tow my flat bed trailer with a load that extends beyond the rear of the trailer. I can plug the trailer into the 7 pin and plug an aux set of lights into the 4 pin when towing this load after dusk. After dark, any load over 4' beyond the rear of the trailer must have lights on the end of the load. I also use them if I exceed width limits (clearance lights).
