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Dead Tachometer on 84 733 revisited (archive)
[ Follow Ups ] [ 7-series (E23) Message Board ] [ Msg. Board FAQ ]
Posted by Randy Hedrick on August 26, 2001 at 18:46:37:

After an exhausting search I was able to locate the exact point where the signal enters the Instrument cluster. On the 273 style Battery board in enters on pin 8 on the Blue connector. I was able to verify that it gets all the way to the Tach itself...but it still doesn't work, must be bad. The signal itself is a square wave with a lot of ringing on the trailing edge.
If any body has a Tach for this car, I am interested in purchasing.

See post 8-19-2001 for more details.

Thanks for all the help!
Randy Hedrick


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