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Have had the same problem with my 2003 Yukon XL, on line info not helpful. I did replace the switch with a new one and it made no difference. However for the past two years it has worked fine.
The problem is covered in the Technical Service Bulletin: HPFM (Hocus Pocus Fu%king Magic) as are most electrical issues.
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1971 W30 convert, triple green,second owner. 1971 W30 Convert, special order Rally red, completed 68 Camaro Z28,Corvette Bronze,Houndstooth 2016 Porsche Carerra Cab and 2021 C63S AMG ,modern fun. www.vancouverclassiccars.com |
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