MERCEDES GENSCHER (W140) 300 SE- INSTRUMENT TABLE PROBLEM ???

I have Mercedes Genscher 300 SE and instrument table problem:

  1. any of clocks ( speedometer, pressure of oil, watch etc.) does not work
  2. all laamps sometimes work, somnetimes doesn't work
3.we checked fuses, it's ok

Could you help me to solve my problem.

Thakn you and sorry for my bad English.

Reply to
Genscher
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1) Change the fuses for new ones. Clean the fuse box contacts. Sometimes fuses look good but don't actually work. 2) There is a common ground behind the instrument cluster. Take it apart and clean it very very well ad put it back. 3) What else electrical doesn't work? +12V leaking into that ground circuit will also cause this problem.
Reply to
Richard Sexton

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