Loss of power

Asked by bigred1080 Aug 27, 2013 at 07:36 AM about the 2001 GMC Yukon Denali AWD

Question type: Maintenance & Repair

When driving at night my Yukon looses power and voltage drops and dash light dim. This only happens when the headlight are on.  New alt this past spring belts are not sliping.  Not sure why only at night.

1 Answer
8,205

GMCustomerService answered 10 years ago

bigred1080, If you choose to have your vehicle diagnosed at a GM dealership, please do not hesitate to reach out. You can reach us via email at socialmedia@gm.com. Please be sure to include your name, VIN, address, phone number, and dealership. Erica Tiffany GM Customer Care

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