Two problems related to alternator/generator/regulator have been reported for the 2002 GMC Yukon. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2002 GMC Yukon based on all problems reported for the 2002 Yukon.
Vehicle lighting, especially at night, flickers constantly, has been to repair shop several times, alternator and battery check out fine. No one seems to know an answer.
The consumer believes that there are electrical problems with the GMC. The water pump was out, the radio has quit working 5 times, and has been replaced 4 times, the windows on the passenger quit, and the regulator was replaced 4 times. This has happened at 35,000 miles.