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  #1  
Old 01-08-2008, 07:43 PM
joe62890 joe62890 is offline
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Tach Problems

So recently my tachometer started messing up. It doesn't read RPM's correctly anymore. At WOT it generally doesn't read any higher than 2500 RPM's. I'm not sure if there is something wrong with the actual tach or possibly the wiring but something is causing it to read incorrectly. Any ideas what it might be? Thanks!

-Joe

Edit: Its in a 1992.

Last edited by joe62890; 01-09-2008 at 02:28 AM.
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  #2  
Old 01-09-2008, 11:05 AM
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bwb3 bwb3 is offline
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I'll be interested in reading the replies also. Mine has been doing that for the last year. Idles at 0 - 250 rpm, 2500 for shift points. I bought a replacement instrument cluster but haven't gotten around to swapping tachs. Had a similar problem on my Volvo and it turned out to be resisters on the back of the tach that went bad. In that case it was sent out for a rebuild.
Gene
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1992 SVX LS AWD 110K - Liquid Silver
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1994 SVX LSi AWD 95K - Emerald Pearl (sold)
1992 SVX LS-L AWD 115K - Dark Teal 4.44 swap (sold)
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Old 01-09-2008, 11:17 AM
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Hocrest Hocrest is offline
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I'm pretty sure that the Tach is driven by the ECU, so it should be solved with another cluster.
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