One problem related to headlights has been reported for the 1999 GMC Sierra 2500. The most recently reported issues are listed below.
When I tilt the steering wheel in the upward position all headlights goes out/off,and when I tilted it to the lower position all headlights come on. This is very unsafe and other onwers of this same vehicle needs to know the safety risk involve. This vehicle is available for inspection anytime.
| Headlights problems | |
| Brake Light problems |