tachometer

Hey guys, this is my first post on here other than joining the registry. I have been working on my ZL for most of the winter, and am getting closer to completion. I am trying to find out which wire is the signal for the tach. I am installing a shift light and cant seem to find a decent wiring...

Does anyone know which thread has the pictures of a 900 and 1000 tach, it has pictures that show the difference in the position of the red-line on each unit? I looked for about twenty minutes and I can't seem to find it...Thanks:help:

I am sending my speedo and tach to Georgia this weekend to be serviced. The speedo will be taken apart, lubed, new bearing(s), face - needle- glass cleaned. The tach is having the bezel and glass removed for cleaning (spider web)- I don't know how they get in there! The guy removes the bezel...

I have broken another speedo cable and the speedo is still "floating" and jumping, I have lubed the end of the speedo, the drive, and the cable. Ihave been told that the bearing in the speedo might need to be replaced and the internals need to be cleaned and re-greased. I found this company and...