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Why would brake lights not work but hazard and turn signals do on a 1998 freight liner?

Possible Causes:

- Bad brake light switch

- Blown fuse

- Faulty wiring

- Bad brake light bulbs

Steps to Diagnose and Fix the Issue:

1. Check the brake light bulbs: Ensure that all the brake light bulbs are in good condition and not burned out.

2. Check the brake light switch: Use a multimeter to see if the switch is working correctly. If faulty, replace the brake light switch.

3. Check the fuse: Some vehicles have fuses that specifically control brake lights. Check to see if the brake light fuse is blown and replace if needed.

4. Check the wiring: Inspect the wiring harness that connects to the brake light switch and the brake lights to ensure there are no loose or damaged wires.