Mechanics

CHEVY HEATER SWITCH

1996 Chevrolet Astro

Heater problem
1996 Chevy Astro 6 cyl All Wheel Drive Automatic 78000 miles

In my 96' Astro the defroster is the only heater setting that works- I know that the whole system is controlled by vacuum hoses so I have no idea where to start troubleshooting, and I know all the hoses are connected properly to the switch. Any ideas?
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Pmlacey3521
January 5, 2008.



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