Hello, I am new to this so be patient please, i own a gmc sierra denali with quadrasteer and am having issues with my heated seats, they worked fine when i purchased this two years ago, since then i put on custom seat covers to protect the leather, since then my drivers side heated seat has quit working, i am at my wits end, i have reread my manual and cant seem to come to any answers, the passenger works fine until i try drivers at same time, it shuts off my passengers heat. when i am driving and want heat the light comes on long enough to blink then shuts off.can the seat covers be tampering with something underneath seat? Please advise, Thanks
