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Q: my 1986 monte carlo heat & air only blows on drivers side on floor. on 1990 Chevrolet Blazer

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
how many air lines should be going to the controll panel from the engine compartment. right now there is 2 1 from vacume on carb. 1 from inline heater hose. do u have a web site that i can get answers on problems on older cars ? thanks for ur time
No car image 94a1663db56199c5353592009e34aaa51078a2469bed068bb8d6f0ba43accf97
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