Bouncy tachometer

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07-20-08 | 10:57 AM

turbojoeg

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From: Daphne, AL

Bouncy tachometer

Tach goes kinda crazy at about 3k or so, then it just bounces all over the gauge, any ideas??

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07-20-08 | 10:23 PM

turbojoeg

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From: Daphne, AL

Any common problems like this??

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07-20-08 | 11:02 PM

RLaoFD

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From: Bay Area

The problem is when the solder in the back of the tach starts cracking. All the soldering points have to be re-soldered and it should work like new. There is a write up here:

https://www.rx7club.com/3rd-gen-archives-73/fix-tach-17247/

good luck.

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