91 740 blower motor

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Old Jan 16, 2020 | 06:46 PM
  #1  
Syndave's Avatar
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Default 91 740 blower motor

Hello, my blower motor only works when i set it to 5 on the switch. Any ideas what can cause this and how i can fix it? I already replaced the motor.
Thank you
 
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Old Jan 16, 2020 | 08:05 PM
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ok, thats undoubtably the resistor, the 5 position bypasses the resistor.

the resistor is mounted on the outside of the plastic hosuign the fan is inside of, its accessible if you remove the passenger side kick panel under the dash and the glove box.

(oops, I had the wrong resistor linked here, the one I originally posted was for a 240)

the 740 uses volvo PN 6848756 (which superceded 3522215)... the couple dealer sites I checked said NLA, but here's one on fleabay...
https://www.ebay.com/itm/Genuine-New...-/263632709029

 

Last edited by pierce; Jan 16, 2020 at 08:20 PM.
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Old Jan 17, 2020 | 12:17 PM
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Originally Posted by pierce
ok, thats undoubtably the resistor, the 5 position bypasses the resistor.

the resistor is mounted on the outside of the plastic hosuign the fan is inside of, its accessible if you remove the passenger side kick panel under the dash and the glove box.

(oops, I had the wrong resistor linked here, the one I originally posted was for a 240)

the 740 uses volvo PN 6848756 (which superceded 3522215)... the couple dealer sites I checked said NLA, but here's one on fleabay...
https://www.ebay.com/itm/Genuine-New...-/263632709029
Thank you so much. Just ordered last one.
 
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