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Cadillac 1994 STS
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12 Posts
Discussion Starter #1
Our 94 Seville runs the battery down b/c a fan is running while the car is shut off. We sometimes disconnect this... but is there a way to get it to stop running?
Thanks
 

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White Diamond '03 DHS (with DTS floor shift)
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86,987 Posts
If it is running continuously, you probably have to replace the blower motor.
 

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Cadillac 1994 STS
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12 Posts
Discussion Starter #4
The fan in the engine bay. It does not run continuously but starts and stops periodically.
 

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White Diamond '03 DHS (with DTS floor shift)
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86,987 Posts
Are you talking about the radiator cooling fans or the HVAC blower motor?
 

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2002.5 F55 CORSA STS, 2014 Explorer XLT FWD
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69,116 Posts
The fan(s) MAY run for 20-30 seconds, once or twice, after a hot drive. If one or both run after that cooldown cycle, something is wrong with the temperature sensor, the fan control module, or the control relay. Sounds like a dealer do.....
 

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2001 eldorado,2008 DTS,2005 XLR, '96 eldo,'95 eldo,' 89 eldo,'78 eldo,'11CTS-V
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1,785 Posts
If it's the HVAC fan, the module that controls it is bad. I've got good used (tested) modules for $35 plus ship.
 
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