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Troubleshooting Intermittent Flashing Red Light of Curt Venturer Brake Controller

Question:

Red light Flashing on then brakes work fine, it goes back and forth. Wiring all good

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Expert Reply:

Curt brake controllers like the Venturer part # C51110 are notorious for internal bugs that a hard reset fixes. Try unplugging the controller and plugging it back in for a few seconds to see if a hard reset takes care of the problem.

If not we'll need to do some testing to see if we can find where exactly the problem is.

Testing the brake controller is fairly easy. Sever the blue brake output wire near the brake controller leaving enough room to reconnect it and then apply the manual slide. Using a circuit tester like the Tester, part # PTW2993, you should get output to the controller side of the wire you severed. If the manual slide activates the trailer brake output wire properly, try the brake pedal. If the brake pedal activates the brake output properly also then the problem is farther back either in the vehicle wiring or on the trailer.

If either the brake pedal or the manual slide are not functioning properly you will need to test the wires going into the brake controller. Make sure you have power entering the brake controller on the black wire. On the red wire you will only want power when the brake pedal is pressed.

If there is power on the red wire before the brake pedal is pressed you have connected the red wire from the brake controller to the wrong circuit. You would then need to find the brake switch wire that has power ONLY when the brake pedal is activated.

If these connections check out and the brake controller is properly grounded then there is possibly a problem inside the brake controller.

I am including a link to a video that will show you how to test the wiring on a brake controller.

If you need a new controller the I-Command # 5535 will be a much more reliable and better performing option.

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Jameson C

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