1997 Chevy Tahoe blower motor will stay on in high mode

1997 CHEVROLET TAHOE
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WAN2PLAY
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Heater problem
1997 Chevy Tahoe V8 Four Wheel Drive Automatic

1997 tahoe blower motor will stay on in high mode. Will not turn off or change speeds. The switch has no control at all. I've check relays.
Oct 12, 2009 at 3:34 PM
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DOCFIXIT
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Sounds like a stuck high speed blower relay. check on top blower housing find relay disconnect if blower speeds atre controled by switch replace relay.
Oct 12, 2009 at 3:52 PM