Air conditioner/heater not working/blowing

2004 CHEVROLET VENTURE
130,000 MILES • 6 CYL • FWD • AUTOMATIC
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OD04CV
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My AC/heat stop working all of a sudden. I changed the blower motor resistor and the climate control module with a different used one. But still nothing. Any idea what it could be?
Nov 22, 2016 at 1:14 PM
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HMAC300
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try pulling fuse inside car for heater for 60 seconds with key on then reinstall it may be an actuator that needs to be reset then check for power but because you changed the control head it may not be getting power.
Nov 23, 2016 at 7:07 AM