1989 Mercedes Benz 300se Bower fan

1989 MERCEDES BENZ 300SE
190,000 MILES • 6 CYL • 2WD • AUTOMATIC
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FTVANHOY
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the blower fan for the heat and ac stoped working a few days ago i still get heat and ac but no fan is tere a thermo cuopler in the motor that tells the fan to turn on when it heats up or do you think the fan is bad and can you tell me were it is? Thanks Fred
Dec 28, 2009 at 11:51 PM
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RASMATAZ
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Hi Fred, Welcome to 2carpros and TY for the donation and selecting us as your auto repair site Feel free to ask questions at anytime and Merry Christmas and a Happy New Year 2010 Lets start with the blower motor see pic below for location when you access the pig tail of the motor power the red wire from the battery positive post and see if it comes on-let me know, we still got more complicated stuffs to dig in


https://www.2carpros.com/forum/automotive_pictures/12900_blower1_6.jpg


https://www.2carpros.com/forum/automotive_pictures/12900_blower2_7.jpg

Dec 29, 2009 at 5:46 AM
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FTVANHOY
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Blower is fine when i hook a ground wire too blue wire on motor and key is on. Any other ideas?
Jan 1, 2010 at 9:32 PM
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RASMATAZ
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Sounds like the blower control unit-give me your email addy and I'll send you the electrical schematic diagram
Jan 1, 2010 at 10:34 PM
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FTVANHOY
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E-Mail [email protected]
Jan 1, 2010 at 10:47 PM