Tach gauge loves to dance ??

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cdmiller
Posts: 12
Joined: Wed Sep 26, 2007 5:44 pm
Location: Upstate S.C.

Tach gauge loves to dance ??

Postby cdmiller » Sun Aug 30, 2015 6:24 pm

The rpm gauge on my 89 B2 jumps all over the place.While sitting in the driveway,in park,just idleing the rpms go up to 4 or more.Sometimes while driving it will settle down to normal,but not often.The speedo jumps a little too,but not as much.
Any help is appreciated.

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tekatlarge
Posts: 953
Joined: Tue Jan 17, 2006 8:54 am
Location: Kent, Worshington

Re: Tach gauge loves to dance ??

Postby tekatlarge » Mon Aug 31, 2015 6:33 pm

You might check the instrument panel voltage regulator. They are usually mounted to the back of the instrument Panel. It supplies a solid steady reference voltage for the instruments. When the instruments go wonky look at this item first! BTW: Wonky really is a word. My 35 year old daughter swears it is.
The Tek @ Large
Kent,Worshington
I was borne under a rock. So what's your excuse?


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