Operation CHARM
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Chevy Truck
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1994
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K 1500 Suburban 4WD V8-350 5.7L
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Repair and Diagnosis
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Heating and Air Conditioning
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Blower Motor
Blower Motor
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Description and Operation
With A/C
Without A/C
Testing and Inspection
With Air Conditioning
Blower Motor Does Not Run In LO Speed Only
Blower Motor Does Not Run In Med Speed Only
Front
Blower Motor Does Not Operate at All
Blower Motor Does Not Operate In LO and/or Med But Only In Hi
Blower Motor Does Not Run In Med Speed Only
Blower Motor Does Not Run In LO Speed Only
Blower Motor Does Not Run In Hi Speed Only
Rear
Rear Blower Motor Does Not Operate at All
Rear Blower Inop In Low And/Or Med, OK in Hi
Rear Blower Motor Does Not Run In Hi Speed Only
Rear Blower Operates Only From Console Front Control Switch
All Blower Speeds Operate Only From Console Rear Control Switch
Without Air Conditioning
Front
Blower Motor Does Not Operate at All
Blower Motor Does Not Operate In HI, Operates In LO and/or MED
Blower Motor Does Not Operate In LO and/or MED But Only In HI
Rear
Rear Blower Does Not Operate In Any Speed
Rear Blower Motor Doesn't Operate In HI But In LO or MED
Rear Blower Operates In HI But Not In LOW or MED
Locations
With Air Conditioning
Front
Rear
Without Air Conditioning
Service and Repair
With Air Conditioning
Front
Rear
Without Air Conditioning
Front
Rear
Diagrams
C210A Heater Control Lamp
C212 Blower Motor Ground
C472 Blower Motor
Technical Service Bulletins
