does anyone know which fuse number corresponds to heater fan? 1993 SEL500.

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1993 500SEL

Under the hood on the driver's side and next to brake booster. I dont think there is one in the fuse box.

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1991 560 SEL / 185k miles
1992 750il / 17k miles - project car

dont see it, what does it look like?

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1993 500SEL

arif, there should be a small black rectangular box atop the left front strut tower. Inside is a strip fuse (30 amp, or possibly 50 amp) that likely has a fine hairline crack across it. Best to loosen the 2 screws and inspect the strip fuse. Old strip fuses tends to crack when they get brittle.

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Fred Hoelzle

The W140 chassis did NOT have a blower fuse.

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Would you like to just post what the problem is?

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M.B. DOC, thanks for correcting me. When I looked at a parts website it showed a strip fuse available for a 1993 500SEL so I mistakenly thought it was for the blower motor. I won't make that mistake again.

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Fred Hoelzle

And I read there was one on the 92-93. Guess not!

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1991 560 SEL / 185k miles
1992 750il / 17k miles - project car