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Electrical system

GMC C4500 Electrical problems by year

2 complaints filed with NHTSA about the GMC C4500's electrical system. Dead batteries, warning lights, wiring, alternators, infotainment and electronic module failures.

Electrical complaints by model year

YearElectrical complaintsCrashesInjuriesRecalls
20081000
20051020

Latest C4500 electrical complaints

2008 GMC C4500Engine & coolingElectrical systemFire

At approximately 2:15 pm on 9/16/2011 this ambulance was traveling at 55-60 mph in route back to the station after dropping a patient at the hospital, the driver reports that there was a load pop!; Followed by a hissing sound under the hood. As he proceeded to move to the shoulder of the road to investigate the problem the driver observed white smoke billowing out the back of the unit. Before he could get stopped; the white smoke began entering the cab through the ac vents. He pulled over and as he and his emt...

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partner exited the vehicle the front end of the truck erupted in flames!!! This could have been a disaster had there been a life emergency in the patient compartment. On 9/19, we had the unit inspected by the sheriff's office forensic division. During the forensic inspection it was observed that the right side alternator had seized and broken in half! When this event occurred it severed the the ac compressor lines and possibly other lines with flammable fluids as there are pressure and return lines for all types of fluids(fuel, brake fluid, transmission fluid, power steering fluid) located in the immediate vicinity of the alternator. *Kb

Filed Incident Engine and engine cooling · Electrical systemNHTSA 10426321
2005 GMC C4500SteeringSuspensionBrakesEngine & coolingFuel systemElectrical systemWheels & tires2 injuries

Unfixable front end vibration. Vibration is severe 8-12 mhz @ .27G's. Over 10 attempts to fix with no results. 4 Sets of tires, drag link, panhard bar, 4 turbo down pipes, front rotors and hubs, may other components. Whole body vibration , arm-hand vibration for over 3,000 hrs in one year. *Nm

Filed Incident Steering · Suspension · Service brakes, hydraulic · Engine and engine cooling · Fuel system, other · Electrical system · TiresNHTSA 10165681

Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data

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