Questions & Answers for: gmc sierra headlights dont work

...gmc sierra 3500 I have a 08 2500 w duramax inslaling plow lighting harness i was able to remove cover between the grill and radiator,pop out little plastic exspantion centers w screwdriver.It wasnt ...

...gmc sierra truck headlights wont work. its not the bulbs the headlights wont turn on anymore the parking lights and other lights work its not the bulbs i dont know where to start to fix it well we ...

...gmc sierra light issue i have a 1985 gmc sierra the lights worked one bulb blew i changed it now my horn and headlights dont work. i checked it looks like horn and headlights are on same fuse. all ...

headlights dont work on my 1990 GMC Jimmy Fullsize I have a 1990 GMC Jimmy fullsize and I have power everywhere, except when it comes to the front headlights. Tried replacing the headlights, but still

...headlights will be on but the running lights wont come on. the main brake lights dont turn on, but the third brake light is on. and the truck just cranks. checked fuses, cant find any bad. checked ...

...gmc sierra? my 99 gmc sierra just stoped switching from low to high beam. the high beams work fine. checkd the fuses. tryed to turn them on manualy nothing changes. i dont know where to go from here, ...

...headlights dont work, they are on very dim but not like the right side. switched relays made no change. bulbs are new. 2003 GMC 2500 HD 4x4 with 6.0 vortec V8 check wiring harness directly behind ...

will not work when headlights turned on all lights flicker when left signal on only 2002 gmc serria z71 If you turn sigals one or both dont work this could be a flasher ,,,change flasher not expensive

GMC truck with the left back blinker not working. When I turn on the emergency flashers the left back does not work either. The front left blinker still works but is fast when do the turn signal. When

...a 91 gmc sierra I have no turn signals or tail lights when i turn on my head lights. What is wrong? Possible battery Voltage issue or more likely bad ground wire connection on light relays / ...