Pontiac GTO electrical issues reported on Pontiac GTO

Some Pontiac GTO owners report experiencing various electrical issues, often leading to repair costs around $500, particularly around the 45,000-mile mark. Ground issues are frequently cited as a cause of these electrical problems, prompting recommendations to check wiring diagrams and connections for shared plugs during troubleshooting. Specific complaints include malfunctioning lights, such as only one headlight activating and dash blinkers not functioning properly. The 2005 Pontiac GTO has documented 212 problems, with many complaints related to electrical systems and interior accessories, while the 2004 model has reported 340 issues, including similar electrical concerns. In the 5th generation GTO (2004-2006), 22 owner complaints have primarily focused on electrical problems, resulting in a reliability ranking of 10th out of 27 Pontiac generations. These reports underscore the prevalence of electrical issues among Pontiac GTO owners and the importance of addressing them promptly.