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2007 Chevrolet Silverado 6.6L with code P0504 & U1041, ABS light and brake light on

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2007 Chevrolet Silverado 6.6L with code P0504 & U1041, replaced the EBCM and brake switch with no luck. I cleaned the frame ground 2 times and had no luck. I can't see any broken wires and the connections look good.

Vehicle: 2007 Chevrolet Silverado 6.6L

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