At 11:16 AM 5/17/2007, Mark wrote:
>There is an electrolytic capacitor inside the tack that dries out with age.
>It's function is to "smooth" the input pulse that triggers the tach.
>Replace it with a new one from Radio Shack, get a value that is close to
>original but it doesn't have to be exact. There is a schematic on-line
>somewhere but I can't find the link at the moment.
> "the tach needle moves very irradically"
1966 AH Sprite