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Old 06-07-2012, 08:31 AM   #1
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Join Date: Nov 2007
Location: Clayton, NC
Posts: 669
Is there a brake controller tester??

Hooked up yesterday to head out and my Prodigy P2 indicated there was a short and when the brake was applied an overload.
I inspected and cleaned the plug & receptacle; inspected the brake wires under the trailer; and checked the wires running to the controller under the dash. I measured the resistance of the brake terminal at the plug. It was .4 Ohms. Good or bad? I don't know.
When I drove, the failure codes went away and brakes worked...most of the time. I would occasionally see the SHORT code come up and have no brakes momentarily.
Is there a diagnostic tool that the trailer cord can be plugged into to check the trailer harness, including the lights & brakes?
And is there one that can be plugged into the truck to check that circuit of the controller?
2013 Palomino Columbus 320RS
2007 Dodge RAM 2500 6.7 Cummins
Reese 15K manual slider
M.I.L. in Florida for good!!
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brake control, brakes

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