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Old 06-15-2004, 03:17 PM
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blower fan fuse problem 300td 1983

Hello - Pretty new car to me & have never used blower fan. I noticed it was no longer working but switch was on max - wife had used the car. So I set switch to off & replaced fuse, keyed on, put blower in position 1 - all okay, switch to position 3 - all okay - was fine no matter what position I put it in.

Next day, switch it to position 1 & nothing - fuse gone again.

It's a white 8A fuse - is this correct as I can't find reference to it anywhere.

Any other ideas why it works sometime & not others - short to earth or blower motor needing attention?

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Old 06-15-2004, 05:18 PM
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try a 10 amp fuse.
thanks JamesStein, 25 amp is probably correct.
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Last edited by whunter; 06-15-2004 at 06:38 PM.
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Old 06-15-2004, 05:53 PM
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Join Date: Apr 2004
Location: Tallahassee, FL
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Should be a blue sucker. 25amp I think.

Both mine '84 300D and my wifes '83 300D have a blue fuse for the blower.
'84 300CD Turbo 132k (Anthracite Grey) - WVO - My daily driver - Recently named coo-coo-coupe by my daughter.
'84 300D Turbo 240k (Anthracite Grey) - Garage Queen
'83 300D Turbo 220k (Orient Red) - WVO - Wifes daily driver

I'm not a certified mechanic, but I did stay at a HolidayInn Express last night.
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Old 06-15-2004, 08:51 PM
Join Date: Dec 2003
Location: Valdosta, Georgia
Posts: 277

Could be your brushes are dragging too. Caused mine to do the same thing in the 240D. The blower motors are pretty easy to work on in the 123.
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Previously owned 126's: 2 1981 300SD's, 1987 300SDL, 1991 350SDL,
Previously owned 123's: 1978 300D, 1983 240D, 1985 300D
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