my 94 gmc backup lights do not work replaced with new taillight assy and still dont work

my 94 gmc backup lights do not work replaced with new taillight assy and still dont work 1 Answer

tail lights dont work 51 Answers

The brake lights, turn signals, reverse lights all work but the tail lights ( when you head lights are on ) do not work. i have changed the bulbs, fuses, checked the tail light circut board, checked...

Why wont my tail lights work 5 Answers

i have a 1991 gmc sierra 5.7L and my tail lights dont work but my rear signal, reverse and brake lights still work. what would cause this?

1991 GMC Sierra K1500 Backup lights not working 1 Answer

I have no backup lights. I have parking and break lights but no backup. I replaced the lights and circuit boards but they still don't work. Where do I start to find out why they aren't working?

1986 gmc k1500 headlights dont work 2 Answers

my headlights dont work. everything else does