One problem related to defogger heater has been reported for the 1997 GMC Sierra. The most recently reported issues are listed below.
Heater causes 3rd degree burns on driver's right foot, manufacturer was notified. Feel freee to provide any further information.
| Windshield Wiper/washer problems | |
| Windshield Wiper/washer Motor problems | |
| Windshield problems | |
| Power Window problems | |
| Defogger Heater problems |