Thread: OM617A Tach Amp
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Old 04-25-2021, 10:53 AM
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Techguy512 tach amp blown

Quote:
Originally Posted by Marshall Welch View Post
A little off topic, but I might need a new one, too. I’ve had one of these for probably 10 years and it’s worked great.

It might have been damaged when I hooked up a Noco Genius Boost GB40 to jumpstart my car. The tachometer was then pinned all the way to the right (>6,000 rpm) afterwards. I removed the unit from the plug after that.
This is post #54 from thread

http://www.peachparts.com/shopforum/diesel-discussion/207837-designing-better-tach-amp-4.html

Reminded me of this thread.

I could be wrong but it may be fried.
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