Two problems related to fuses and circuit breaker have been reported for the 1999 GMC Sierra. The most recently reported issues are listed below.
Consumer applied horn while driving and horn failed while abs light came on. Dealer determined that horn had shorted out, causing abs circuit board to fail.
Positve terminal rotted out, causing lights to go on and off and engine to stall.
| Fuses And Circuit Breaker problems | |
| Dash Wiring problems | |
| Ignition Module problems | |
| Horn Assembly problems | |
| Electrical System problems | |
| Ignition Switch problems | |
| Wiring problems | |
| Battery Dead problems | |
| Battery problems |