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Troubleshooting Brakes Not Activating with Curt Echo Mobile Brake Controller and New Assemblies  

Published 09/09/2025

Question:

Question on electric brakes. When I put a compass near the brake hub, activate the Kurt echo controller I hear a buzz, but no compass needle deflection. Brakes are new, but not working. I was pretty careful with my grounding wire and used liquid tape to cover the ground screw. Any suggestions? Thanks, Larry

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Expert Reply:

Hey Larry, I like your compass technique but I would try using a voltmeter to measure the volts that are on the output circuit that are providing current to your assemblies to try and get a better idea of what is making it to your assemblies.

With that said a lot of times new brake assemblies feeling weak is because they aren't adjusted properly so that's the first thing I think of since you are hearing them actually come on with the buzzing. That's a good sign by the way.

Did you do any initial adjustments on the assemblies and are they manual or self adjusting?

expert reply by:
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Jameson C
Larry G. profile picture

Larry G.

9/9/2025

Can I check the voltage at the electrical connection at the wheel? I assume checking the wire to the magnet(pos) against the ground wire(neg)

Jameson C. profile picture
Etrailer Expert

Jameson C.

9/9/2025

@LarryG Yes that is how you would do it. Ground it and then probe the power side.

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