Drivers side taillights do not work?

2004 CHEVROLET 1500

1,900,000 MILES • V8 • 2WD • AUTOMATIC

JONNY2AKTIVE

MEMBER
1 POST

Passenger side works driver doesn’t. forgive me if this has been covered. Okay, here's the problem: my brake lights work, turn signals work, but taillights do not. fuses fine as far as I can tell. Please help.

Nov 17, 2022 at 10:55 PM

STRAILER

✓ASE Certified Mechanic
54,832 POSTS

There is a running light relay in the under-hood fuse panel I would swap out. Here are the running light wiring diagrams so you can see how the system works and I have included the relay location so you can check it out. Check out the images (below). Please let us know what happens.

Images (Click to enlarge)

Professional Diagram for 2CarPros Members
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Nov 18, 2022 at 12:30 PM