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Troubleshooting Brake Controller Install 2003 Chevy Silverado 1500HD that Won't Work w Brake Pedal


I have a ventura 51110 controller with harness 51353. I have it all hooked up correctly and the controller does not light up at all unless I hit the manual control switch on the controller itself. that is the only way I can get it to light up.


Expert Reply:

Since your truck is a 2003 Chevy Silverado 1500HD you should check the third brake light fuse of the truck. Your generation of GM truck is notorious for this fuse easily blowing and when it does brake controllers will stop working with the brake pedal. An easy way to check this is to see if the third brake light on your truck cab still lights up with the brake pedal.

expert reply by:
Jameson C

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