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Volvo 850 Made from 1993 to 1997, this Volvo line was available in both a wagon and a sedan, both with were graced with several trim levels.

Fan Speed Selector?

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Old 04-23-2013, 01:18 PM
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Default Fan Speed Selector?

The fan only comes on when the selector is set to the highest setting. Itdoesn't matter if I’m using the heater or A/C.

Can you guys give me some suggestions on were the problem may lie.

Also, is the selector switch easy to get to?

Thanks in advance,
 
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Old 04-23-2013, 06:05 PM
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If you've checked the fuses then the next item would be the blower motor resistor.

Do you have a manual (MCC) or automatic (ECC) system
 
Attached Thumbnails Fan Speed Selector?-heat-ac-resistor-new.jpg  
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Old 04-24-2013, 01:41 PM
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Originally Posted by Kiss4aFrog
If you've checked the fuses then the next item would be the blower motor resistor.

Do you have a manual (MCC) or automatic (ECC) system
Thanks for the response.

How do I tell the two systems apart?
 
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Old 04-24-2013, 02:02 PM
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If you have the owners manual it will show you the difference.

The automatic has a slider with variable speed control the manual system has set speeds, one through four I think.
 
Attached Thumbnails Fan Speed Selector?-heat-ac-ecc-panel.jpg   Fan Speed Selector?-heat-ac-mcc-panel.jpg  
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Old 04-24-2013, 04:23 PM
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Originally Posted by Kiss4aFrog
If you have the owners manual it will show you the difference.

The automatic has a slider with variable speed control the manual system has set speeds, one through four I think.
Mine is the same as the one on the right, so that would make it a manual?
 
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Old 04-24-2013, 04:54 PM
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You have an MCC. It makes a difference when you go to pull or purchase a blower motor resistor.
I'm not saying it has to be the resistor it's just the most likely thing to try.
 
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Old 04-24-2013, 05:04 PM
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I have exactly the same problem with my manual climate control.

Is there a way to fix my apparently broken resistor?
 
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Old 04-25-2013, 04:41 AM
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No, just replace it.
 
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Old 01-18-2014, 05:25 PM
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Changed the resistor and it's working fine.
 
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Old 01-18-2014, 06:46 PM
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