Weird Brake Controller Problem
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Elder User
Joined: Jun 2007
Posts: 528
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From: Lake of the Ozarks, MO
Weird Brake Controller Problem
Its not in a ford, but you guys seem pretty knowledgeable so I figured you could help. My dad has a 2000 chevy 2500hd with a kelsey (i think) brake controller. When we hook it up to the stock trailer, as soon as you tap the brakes, the trailer locks up. I have adjusted the controller all the way down and it still does the same thing. Anybody got any ideas as to what might be wrong?
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Elder User
Joined: Jun 2007
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From: Lake of the Ozarks, MO
Don't know, this is the first time we have used it. Our trailer is new, and the last one didnt have brakes. I know the brakes on the trailer are ok though, because I have pulled it with my truck, and I have the factory brake controller, everything worked fine.
Post Fiend
Joined: Jan 2004
Posts: 5,377
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From: Elkhart IN
does it unlock when you let go of the brakes? only thing that I can think is that the brakes are hooked to the brake light, but im not sure how many amps brakes pull, so it might not pop the fuse
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Elder User
Joined: Jun 2007
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From: Lake of the Ozarks, MO
Originally Posted by chrono4
does it unlock when you let go of the brakes? only thing that I can think is that the brakes are hooked to the brake light, but im not sure how many amps brakes pull, so it might not pop the fuse
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FTE Legend
Joined: Jul 2005
Posts: 65,938
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From: Millersville, MD
Just replace the Kelsey with a Progedy and be done with it....Progedy is the easiest to install and it works flawlessly.
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Elder User
Joined: Jun 2007
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From: Lake of the Ozarks, MO
Originally Posted by BPofMD
Just replace the Kelsey with a Progedy and be done with it....Progedy is the easiest to install and it works flawlessly.
Your posting is a lot like others I see, brand x sucks, get brand y, its better. You have not contributed anything to this thread that even remotely has anything to do with my thread.
Fleet Mechanic
Joined: Oct 2004
Posts: 1,496
Likes: 3
From: Simpsonville, KY
Chances are its a wiring issue rather than a controller issue. While it MIGHT be fixed by replacing the controller, the chances are rather slim. Its definately a VERY good diagnostic tool to borrow someone else's controller to test the theory, but I wouldn't bet on that being the problem until its proven 
Definately try it to eliminate the idea.
Definately try it to eliminate the idea.
CO River Rat
Joined: Feb 2004
Posts: 3,209
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From: Lake Havasu City AZ
Until you use a multimeter to see if the manual slide lever modulates voltage to the brake pin, you're pretty much stuck with guessing at the problem. If it shows instant and steady 12v, you've got a bad controller.
Steve
Steve
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Elder User
Joined: Jun 2007
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From: Lake of the Ozarks, MO
Originally Posted by Steina
Until you use a multimeter to see if the manual slide lever modulates voltage to the brake pin, you're pretty much stuck with guessing at the problem. If it shows instant and steady 12v, you've got a bad controller.
Steve
Steve
Junior User
Joined: Jul 2007
Posts: 61
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From: Surprise, Az
I had the same problem with a controller I had before. On that controller there is a voltage slider on the side and it was maxed out causing it to lock with any touch of the brakes. I must have bumped it. Once I adjusted it everything worked fine.
Junior User
Joined: Oct 2007
Posts: 77
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From: Michigan
Seldom used brakes tend to lock up easily, too. But any electronic controller will fail eventually, just like any other electronic device. We (Hensley Mfg.) sell the TruControl. It's top of the line but might be overkill for you. You can get Prodigy's cheap now that the P3 is out. Shop around or check out E-bay. You should be able to get one for under $100. I hate to promote the competition, but that's about the only think I'd go with for low price controllers.
Avoid, at all costs, anything that is pendulum or timer based. Those are usually under $50. For a good reason. They'll make your chiropractor rich.
Avoid, at all costs, anything that is pendulum or timer based. Those are usually under $50. For a good reason. They'll make your chiropractor rich.