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Posted on Jan 02, 2017
Sounds like you may have a bad blower motor resistor. When they go bad, they usually wipe out all speeds except high. But could knock out just one or two of the speeds. It should be located near the blower motor.
Posted on Sep 10, 2009
Hi ,The resistor is in the heater box located under the dash on the passenger side.It can be seen when you crawl under the dash and look up. It has two or three bolts on it. It will also have a plug connected to it, which has to be disconected.
Posted on Feb 11, 2009
It's likely a relay. I've often seen where the lower settings are ran through one relay and the higher setting ran through another because of the difference in amperage. I'd start there, the relays are often pretty cheap and a lot easier to replace than tearing the dash apart to change the switch.
Posted on Oct 09, 2009
There are two relays for the heater control fan,a low blower relay and a high blower relay.It sounds like the hi blower relay is bad.
Posted on Dec 12, 2009
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