Vintage & Classic Cadillacs 1902-1977 Cadillac Models

1972 Deville No HEAT/AC

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Old 11-29-2006, 07:08 PM
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Join Date: Nov 2006
Posts: 1
Default 1972 Deville No HEAT/AC

I'm helping a buddy with a restore of a 72 Deville with 17K original miles. He told me about five years ago the heat and AC gave out. I checked the fuse and see that it is OK. I know that the heat/ac switch connects into a programmable control module. Both are expensive repairs. Is there a way to test which componet is bad? The switch does nothing except move the va***n flaps in the heater box. No heat, no A/C (does not engage ac clutch). no fan, no nothing. Moving the temperature thermostat does nothing.
The car is a living history do***ent. His other toy is a 62 Buick Electra 225. Both are testimony that AMERICAN Cars ruled the road!
 
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