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only thing that works is the passenger heat

11-10-2007, 10:18 AM
1999 el dorado thats kinda vague but...thats all I got
the passenger defrost & the passenger vents work
...the driverside and both rear vents blow cold air
I'm gonna have to get some duck tape and maybe a
clothes dryer hose till I can figure this out. any help
would be appreciated.

11-11-2007, 10:09 PM
Sounds like a problem with the programmer or one of the diverter valves. Check the computer codes. They usually have the Climate Control system malfunction codes.

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