Tachometer woes

PostPost by: street » Sun Sep 26, 2021 8:56 am

I may have capacitor issue on my 71 tachometer, are there any simple steps out there to replace. It has been bouncy for years, I suspect the wiring is still standard although it’s rum lumminition. So replace capacitor and redo wiring for above? Any suggestions.

Tachometer bounces on start up, steadies and then dies.

Thanks
street
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PostPost by: alan.barker » Sun Sep 26, 2021 10:31 am

First check Earth on Tacho Body.
The tacho is held in Dash by a Bracket and round knurled nuts (thumb screws).
the earth is a ring crimp under one of the knurled nuts.
The knurled nuts come loose sometimes causing a bad Earth.
Alan
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PostPost by: billwill » Sun Sep 26, 2021 10:52 am

This issue has been covered many many times.

Here is a little light reading for the oP.

https://lotuselan.net/cgi-bin/search/se ... oom_sort=0
Bill Williams

36/6725 S3 Coupe OGU108E Yellow over Black.
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