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Tachometer flutter

1644 Views 13 Replies 7 Participants Last post by  huskyhauler
The tach on my 6.9 has been fluttering for a while.At idle it'll read 0 then jump to 5,000 and then go all over the place. I was wondering if anybody knew what might be the problem.
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Re: Tachometer interchange

Should be able to hook it straight up. Connector will be hanging off the alternator area side. ('85 - '86)
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