One problem related to exterior lighting has been reported for the 2004 GMC Sierra 1500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 GMC Sierra 1500 based on all problems reported for the 2004 Sierra 1500.
Gauges work some times and don't,lights go off and on on the dash when they do this at night it's hard to see what speed your doing our how much fuel you have. This seems to be a problem with a lot of the trucks my neighbors truck is doing the same thing.
| Hazard Flashing Warning Light Unit problems | |
| Turn Signal Flasher Unit problems | |
| Turn Signal problems | |
| Exterior Lighting problems |