2004 Chevy Cavalier defroster will not switch on

2004 CHEVROLET CAVALIER
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INKSPOT
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  • 2 POSTS
Heater problem
2004 Chevy Cavalier 4 cyl Front Wheel Drive Automatic

when i switch the heater to defrost it will not go on.
Nov 30, 2009 at 4:29 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,246 POSTS
Do you mean the fan doesn't work or the air doesn't blow through the defroster vent?
Nov 30, 2009 at 11:46 AM
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INKSPOT
  • MEMBER
  • 2 POSTS
yes the defroster does not blow the air . it just comes through the dash vents.
Dec 1, 2009 at 2:39 AM
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MATTYK12345
  • MEMBER
  • 11 POSTS
it sounds like to me like the actuator for the venting isnt working correctly either isnt getting signal voltage from the heater control or is burnt out or shorted out
Dec 6, 2009 at 5:00 PM
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