Loop too large? Had that happen on a Sprite. Just a thought.
Dave
awtiger@cox.net wrote:
> (Sorry to bomb the Tiger list with this, but I figured that since Tigers have
>roughly the same tach setup as Alpines, I'd bounce this off of you guys,
>too...)
>
> I'm wiring up a Series V tach in my race car (Alpine) that I got from a
>friend of mine. The tach looks to be in excellent condition but my friend had
>said that he had never had it in his car and that it was just a spare.
>Therefore, he didn't know if it worked or not.
>
> Well, I've got it wired up just like the book says, complete with a good
>ground, and all I get out of it is very erratic, jumpy movement and a general
>tendency to lag behind the motor when I rev it up. Once it's revved up, it
>reads way too high (when it's not bouncing all over the place). I searched the
>SAOCA forum and found a tach thread from January that appeared to be about the
>same situation as I'm having. Just as that fellow did, I cleaned the metal
>bracket that goes around the loop and made sure it was getting good contact
>with the contacts in the tach. Unfortunately, my problem still persists. The
>only difference between this other fellow and me is that I don't have the
>luxury of knowing if this tach worked prior to me installing it.
>
> Any thoughts on this? Should I just send it off to Nysonger or some other
>instrument place to be rebuilt? Is there something else I should look at? Any
>help would be appreciated.
>
> Thanks much,
> Andy Walker
> Edmond, OK
> B382001600LRXFE
> B9006857LRX
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