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post #1 of (permalink) Old 10-03-2001, 08:46 PM Thread Starter
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RPM tach ground

Ive got the JX,so Ive got a tach and wondering where the ground is?I looked in the back of my manual with no help there.My RPM tach is jumpy for no reason again and the last time it happened it burned my disty out,2 at that.Cleaned 95% of my grounds last time and added a 4 or 10 gauge ground to the body but now the twitching or jumping is back.I thought it was on the bottom of my disty(black wire) but it aint.Any suggestions?

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post #2 of (permalink) Old 10-03-2001, 09:07 PM
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Re: RPM tach ground

This may not help but it's worth a try....

I don't have a stock tach, but I do have an aftermarket Sunpro tach. One time my spark plug wires started to go bad and the tach started to jump around. The engine proformance wasn't suffering so it took me awhile to figure it out. But once I replaced my plug wires the tach started to work right again.

Worth a try if you have a spare set of plug wires......

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post #3 of (permalink) Old 10-03-2001, 09:16 PM
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Re: RPM tach ground

The ground wire is behind the distrib and connects to the firewall. My sunpro has freaked out during heavy acceleration on the zook and my last j33p.. Dunno>!

Got zook?I do,88.5 spoa'd on 29'shttp://www.geocities.com/bik3r
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