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Date: Fri, 19 Nov 2004 21:35:18 GMT
From: "James Sweet" <>
Subject: Re: Sluggish Tachy

"Gizzmo" <> wrote in message news:1vond.280$ > Ho Folks, > on my 1989 9000 the tachy doesn't work until after maybe 5 minutes running. > The reading then slowly increases from zero, gradually rising, and then > suddenly works properly. I had exactly the same simptom on the speedo of an > earlier 9000. > > Can anyone shed any light on how these instruments work and is a local > repair possible? Any tips or hits would be welcome. > > Thanks all. > > My guess is you've got either a cracked solder joint or a dried out electrolytic capacitor on the circuit board in the tach, some cars these are easy to take apart, some are damn near impossible. Never tried on a 9000.

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