The blower motor on my 82 sd has quit working. I figured I had blown a fuse because the AC compressor wasn't working either and they're on the same fuse. The fuse was good, but I replaced it anyways, but still nothing. Any suggestions?

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"spreading a trail of obnoxious where ever we go"
1981 300sd w/ 341,500 miles

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Drop the kick panel on the passenger side and find the plug for the blower. Apply 12V and ground to the plug and see if the blower operates. If it operates properly, then you have one of three possibilites:

1) bad blower resistors
2) bad CCU
3) Bad blower controller.

It's possible to isolate the problem, but, check the blower, itself, first. If the blower is bad, you'll have to remove it to see what the problem is.

1984 300d Turbo 136k
Check For 12 Volts At The Blower Plug, Go To **************.com
They Have Guide Book For Blower $12.00 Or Brushes & Guide Book $27.00 Or New Blower & Balance Wheel For 300d