Table 1 shows one common electrical system related problems of the 1999 GMC Envoy.
| Problem Category | Number of Problems |
|---|---|
| Electrical System problems |
Nar 1/29/2003. The consumer stated the vehicle has electrical and transmission problems. The passenger rear view mirror rotated toward the front of the vehicle without any outside action. The windshield wipers changed the wiping sequence at its free will. The doors locked on their own and the windows rolled down on their own. The consumer was unable to shift into 1st or 2nd gear regardless of whether the vehicle was in 2 or 4-wheel drive. The dealer advised the shifter was defective.