I replaced the capacitor in the tach and my bouncing went away
Dave
70 Midget
http://www.classictiger.com/techtips/motach.html
> Date: Mon, 29 Jul 2013 05:52:55 -0700
> From: pythias@pacifier.com
> To: spridgets@autox.team.net
> Subject: [Spridgets] Is it a problem?
>
> Hello Spridgets,
>
> Went to the ABFM-Bellevue over the weekend. Car runs great, but...
>
> I was headed home and the tach started to bounce. Not just a little,
> but WILD swings. The car never seemed to loose power, but the tach
> would fall from 3500 down to 1500 or so then bounce back, drop,
> bounce... I slowed down a little and it stabilzed, and didn't bounce
> again..
>
> I took it easy and looked for a loose wire on the coil but found
> those two to be OK. I did notice a little grove being worn on the
> wire from the coil to to the dizzy, where it was rubbing on the body
> a little, so I turned the wire so that it didn't rub at that spot.
> ..
>
> could the tach bounce be caused by electrical leakage in that coil wire?
>
> I put a spare in the trunk. .. I'll put electrical tape over the
> wear spot and insulate the body at the wear point.
>
> ?????
>
> --
> Best regards,
> Bill L. mailto:pythias@pacifier.com
>
> '66 Sprite MKIII HAN8L49403 "the red thing"
>
> "It's made the grass wet," said Tom after due consideration.
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