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Fender Anarchist
May 20, 2009

Fender Anarchist

IIRC the ABS light also triggers the main brake light, so any failure in the ABS system will illuminate both. First step would probably be to find a friendly mechanic with a scan tool that can pull ABS codes (most can't, it's a separate protocol from the main CEL codes) and see what's in there. You can do some really hard stops to verify that the ABS isn't working, but iirc most codes will disable the system anyway. Step 1 is getting those codes pulled somehow.

RE parking brakes, assuming your truck isn't new enough for 4 wheel discs, you've probably got rear drums, and the parking brake uses the same shoes as the main brakes, just with a separate actuator. Pull the drums off; if the shoes look okay and there's no fluid leaks, you probably just need to adjust the parking brake cable, which is usually pretty easy to access from under the truck.

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