Vehicle description: medium duty trucks equipped with air brakes and anti-lock brake systems. Chaffing of the electric brake control harness can occur resulting in an electrical grounding condition. This will illuminate a warning light on the instrument...
Electrical system
GMC C7500 Electrical problems by year
1 complaints filed with NHTSA about the GMC C7500's electrical system. Dead batteries, warning lights, wiring, alternators, infotainment and electronic module failures.
Electrical complaints by model year
Electrical recalls
Latest C7500 electrical complaints
Vehicle overheats every 15 minutes and leaks alot of brake fluid causing smoke to pour out from tires horn doesn't work and head light is broken and a.C. Is broke vehicle is forced upon employees to drive under these conditions everyday on high way city streets
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