air controls/cruise control

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Old 05-01-02, 06:27 PM
jeep87
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air controls/cruise control

I have a 1990 chevrolet Lumina APV minivan with V-6-not sure what size-automatic. Problem is that my temp. controls won't operate. It stays stuck on the mix control so when I press the other buttons they won't change. I have found some relays on passenger side inside cab. Any ideas what would need done to fix my problem. Thank you very much.
 
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Old 05-01-02, 06:28 PM
jeep87
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also my cruise doesn't work. if memory serves correctly they both went out about the same time. Any ideas.
 
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Old 05-01-02, 07:18 PM
Joe_F
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Get a schematic for both systems from Alldata.com (requires a subcription).

The A/C problem is probably a vacuum issue or whatever controls the blend doors. On older GM's it's an 8 dollar part. On newer ones it might be part of the controller. All depends.
 
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