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hey guys. i have been looking online for a vacuum diagram for the hvac in my blazer unsuccessfully. it is a 1994 4 door s10 blazer. my problem is that the air flow is defaulting to the floor and the defroster. i have confirmed that i do have vacuum to the control switch. i need to know where the mode door and motor is located and i need to check if i am getting vacuum at the mode door motor or if the motor is bad. any help would be appreciated. thank you
 
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