Troubleshooting Weak Trailer Brake Magnets with a Tekonsha Voyager Brake Controller

Question:

What is current flowing in 2 wheel brakes when the controller is set to maximum and the manual slide applied. The magnets dont seem to have much strength and dont lock up. Tekonsha Voyager

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Expert Reply:

I can help you figure out what voltage should be coming down the brake output circuit on your trailer.

If you have 10-12 inch brakes you should be getting 7.5-8.2 amps at 12 volts on the brake output circuit.

If you have 7 inch brakes you should be getting 6.3-6.8 amps at 12 volts on the brake output circuit.

If you are getting that voltage and the magnet is still not working, I would check for a worn magnet, a loose connection, or a bad ground. All of these could be causing the magnet to not work properly.

I have linked a Help Article on testing trailer brakes magnets for your convenience.

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Jackie C

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