Tach errors
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- Posts: 60
- Joined: Wed Sep 07, 2011 8:15 pm
- Your car is a: 1971 Spider
Tach errors
My 71 runs fine but my tach when working is always well below estimated rpm. Sometimes it fails to register at all but generally starts working after driving a while but never seems accurate. Any suggestions as to how to troubleshoot? Where does the tech gets its signal? Thanks for any advice.
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- Posts: 1099
- Joined: Wed Mar 17, 2010 9:48 pm
- Your car is a: 1983 PININFARINA
- Location: Sherbrooke, Qc, Canada
Re: Tach errors
Where does the tech gets its signal?
negative pin on the coil.
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- Posts: 60
- Joined: Wed Sep 07, 2011 8:15 pm
- Your car is a: 1971 Spider
Re: Tach errors
Thanks. I will try cleaning the connection at the coil. I have a lot of spare gauges, but no spare tach.
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- Posts: 1099
- Joined: Wed Mar 17, 2010 9:48 pm
- Your car is a: 1983 PININFARINA
- Location: Sherbrooke, Qc, Canada
Re: Tach errors
I think I have one.
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