tach question

cptyarderho

Well-known member
Apr 23, 2004
2,904
0
Va
I have a new alternator, and the tach was wired for it. Now, the tach reads about 1,000 rpms low. Does the ****** shift based on the tach positions or speed with in the ****** itself? I thought it was all internal, but I thought I read somewhere it was linked to the tach.