when driving my anti theft light comes on and shuts off all my gauges of but the
What is your question?
when driving my anti theft light comes on and shuts off all my gauges of but the battery gauge and turns off the ac it still blows air and drives fine what could be causing this???
This is something that could be caused by a faulty alternator, or a larger issue. Something like this should be brought to a shop for a full diagnosis before just replacing parts. If you'd like this is something we are able to check out for you at Brotherhood Garage.
RepairPal Certified shops can diagnose and repair your 2005 GMC Sierra 1500. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.