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I was talking to a friend and he suggested that I may have a vacuum leak or possibly could have pulled lose one of the vac hoses behind the dash that control the venting systems.... Also, I just noticed that the rear vents stopped blowing this morning... (of coarse after I let my girlfriend...

I have never heard of any HVAC actuators.... I didn't mess with any of the wires for the heater/ac/vent controls.... However when i unplug it from the controlls, the fans turn off completely... I will double check the wires. Is there a computer or electronic thing anywhere that I can...

I have an 03 tahoe that I just purchased used... i installed an amp and sub last week, and when i put everything back together... the dash vents are doing something really really weird. And to make it worse... it is related to something electrical or in the computer... :ack: The vents are...