Why don't my brake lights work when I turn on the headlights


Asked by Dec 18, 2014 at 10:32 AM about the 1994 Chevrolet Suburban C1500

Question type: Maintenance & Repair

The brake lights work all day but when it gets dark and I turn on the headlights they stop working all together

1 Answer


Last one I inspected was circuit boards in the rear lights. It was a 91, You must use a schematic and verify fuses, grounds and presence of components in the schematic and be sure you read the right schematic for that year and model and options. after many trips for correct info, I found some components werent actually there, other parts for other systems were in that place, and Napa has the ability to get the parts you might need after diagnosis is complete

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