Replacement for Malfunctioning Draw-Tite Activator II Trailer Brake Controller

Question:

My Drawtite Acrivator II works intermintily while driving. I have the controller set at 3.0 for my break setting. But while driving that number can jump all over the place or the controller will go to 0.0 no breaks at all the it will go back to the 3.0 setting then it works good for a while then it will go to 0.5 or 4.5 or back to 0.0. Is this a bad controller with a short I. It.. the controller is 17 years old. Thanks

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Expert Reply:

Based on your description of the problem with your Draw-Tite brake controller I suspect an internal fault within the controller itself.

There is a chance that the red input signal wire could be loose, and this would cause the unit to stop generating output, but it would not explain the varying power level displayed. That specific issue makes me think that the internal circuitry has finally given up the ghost and the controller needs to be replaced.

If your towed trailer has one or two axles with brakes you can use part # 5100; if it has 3 or 4 axles with brakes then instead use # 5504. Your existing wiring adapter will still work.

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Adam R

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