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Tommy Z Tommy Z is offline
1979 911 SC
 
Join Date: Jul 2020
Location: Denver CO
Posts: 561
Garage
Quote:
Originally Posted by racer View Post
Cant recall the years these changed, but sometimes a swinging tach is an alternator/electrical issue and not per say, a "tach" issue. I know on my 914/6, my swinging tach was caused by a Voltage regulator issue.. the tach was fine.
Thanks Racer, I would agree if the tach bounced all the time. When I remain in gear it's rock solid. It's only when I shift, Mostly down, that it swings. I also have a volt meter plugged into the cigarette lighter and it reads consistently.
Old 02-05-2021, 08:11 AM
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