Bench test a factory tach, to? - Team Camaro Tech
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post #1 of 2 (permalink) Old Feb 12th, 09, 08:43 AM Thread Starter
Senior Tech
Join Date: Dec 2003
Location: Leander, TX
Posts: 2,767
Bench test a factory tach, to?

I'm about to put my instrument panel back in which includes the factory tachometer. I don't know if the tach works and the engine is out of the car.

Is there a way to bench-test the tach?


PS, I'm not overly concerned about accuracy of the tach. More interested in testing to see if it works at all.
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post #2 of 2 (permalink) Old Feb 12th, 09, 02:46 PM
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Join Date: Dec 2002
Location: Saint Louis, Missouri
Posts: 1,123
Re: Bench test a factory tach, to?

Below is a link to how I tested the tach for my 1974 Nova:

Click on the pictures to enlarge them to see what the settings were on the signal generator. I think I also had it set on a square wave output.


1974 Spirit Of America Nova (being restored), 1973 Nova Custom, 1968 Chevy II (Garage Find 2012)

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