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Question

cevorlet astro van when i turn on heat i can only get the


Sent to Car Experts December 26, 2005 8:33 p.m.
90 Cevorlet Astro Van, when I turn on heat I can only get the highest setting on blower, I checked connections on fan switch wire were connected so I changed fan switch still same problems I don't know if the is a nother part like a relay or were to look. I didn't thing that there is a problem with the blower only the fact there is one wire on it Thank for reply and help, Mark

Optional Information:
1990 Chevrolet Astro 6cyl

Already Tried:
Change switch checked wires to switch
Customer (name blocked for privacy)
Status: Closed   Value: $10   
Info Request
December 26, 2005 8:37 p.m. (4 minutes and 20 seconds later)
Mark u have a bad blower motor resister. It is very common. It is located on the black plastic casing that goes around the heater core and evaporator core located under the hood.
PictureAMEDEE  -- ASE MASTER TECH -- 98% Positive Feedback on 1021 Car Accepts
ADVANCED LEVEL SPECIALIST
Reply
Sent December 26, 2005 8:42 p.m. (4 minutes and 32 seconds later)
Thank I change the resister thank you
Customer (name blocked for privacy)
Answer
December 26, 2005 8:44 p.m. (2 minutes and 8 seconds later)
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PictureAMEDEE  -- ASE MASTER TECH -- 98% Positive Feedback on 1021 Car Accepts
ADVANCED LEVEL SPECIALIST
Reply
Sent December 26, 2005 8:46 p.m. (1 minute and 51 seconds later)
A bad new switch?
Customer (name blocked for privacy)
Answer
December 26, 2005 8:49 p.m. (3 minutes and 25 seconds later) 		ACCEPTED Check Mark
No no no A bad blower motor resister. there is a differnce. The switch just commands the different speeds but the resister acctually does the resisting. the resister is the one that goes bad.
PictureAMEDEE  -- ASE MASTER TECH -- 98% Positive Feedback on 1021 Car Accepts
ADVANCED LEVEL SPECIALIST

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