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Old 09-25-2006, 12:51 PM   #1
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1994 30' Excella
alexandria , Kentucky
Join Date: Aug 2004
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Prodigy brake controller issue

Over the weekend I was using my Prodigy brake controller with my utility trailer. It kept coming up with an "OL" (overload) warning and the brakes would not work. (This was not fun as I was towing about 6000 lbs.)
Is there a method to testing the brake controller? What type of things go wrong with the electric brakes that may cause this except for a bad wire?

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Old 09-25-2006, 01:25 PM   #2
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2004 25' Safari
1971 27' Overlander
1957 22' Caravanner
Jourdanton , Texas
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When we experienced this, the dealer brought out a homemade test rig that applied power to the brakes. After applying power they went around the wheels looking for the magnet that did not function. Our problem was a wire to ground in a drum. When the Prodigy controller senses "OL" it interrupts the power.


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Old 09-25-2006, 01:27 PM   #3
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2005 28' Classic
Austin (Hays County) , Texas
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When the Prodigy detects a short, it interrupts power to protect the output transistors. Better no brakes and a working controller than no brakes and a blown controller.
John W. Irwin
2005 Classic 28 "Sabre-Dog III"
2013 Silverado 2500HD Duramax/Allison LTZ
WBCCI #9632, TAC TX-10
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