Break lights

Asked by GuruR4H7L Jan 31, 2020 at 05:15 PM about the 1993 Chevrolet S-10 Tahoe RWD

Question type: Maintenance & Repair

My tail lights and break lights not working but
blinker lights are. Fuse is good. What could be
wrong.

1 Answer

15,350

Do the park lamps in the front work? Front and rear, you can call both park lamps, they get voltage from the source. So if the front works and the rear doesn't, probably a wiring circuit problem, not a fuse or headlamp switch. Brown wire is voltage for tail lamps, black wire is ground, need both. You can use a test light to check both. The courtesy fuse is usually for exterior lamps, except headlamp. Check for voltage at the fuse. The lower brake lamps are usually wired through the multifunction switch, turn and stop use the same bulb filament, just not at the same time. Maybe there is a stop lamp fuse? I don't have a wiring diagram on this model year? good luck

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