Quote:
Originally Posted by toddyvol
I finally got around to jumpering my rheostat. All dash lights now work. Now my tach bottoms out to zero when I let off the accelerator. When I push the accelerator, the tachometer works as it should.
When I bought the car the tach did not work at all. I put a cigarette butt in the tach amp which fixed. It does jump around on rainy days for some reason but for the most part it was working great 98% of the time.
I rechecked all connections also.
I do have a tach amp from a 1982 300SD. Will it work in my 300D/
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If the SD's tach amp look the same, it should work in the 300D if it's good.
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85 300D turbo pristine w 157k when purchased 167,870 July 2025
83 300 D turbo 297K runs great. SOLD!
83 240D 4 spd manual- parted out then junked
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