Table 1 shows eight common electrical system related problems of the 1997 GMC Sierra. The number one most common problem is related to the alternator/generator/regulator (three problems). The second most common problem is related to the wiring (three problems).
Electrical system shuts down at low and high speeds. Replaced battery, battery connections, cables and alternator but the problem persists over the years. It is a dangerous hazardous situation. Read details...
Insulation around wiring and connector of unit inside fuel tank caught on fire due to a short. Consumer states plug and wiring were inside fuel tank, wires going to odometer and fuel pump, the fire was inside the fuel tank. Read details...
Consumer states the vehicles battery exploded. Read details...