ok so i installed an aftermarket tach the other day and it will not cooperate with me...i connected it correctly as the directions say and i cant get it to work properly...i connected it to the igniton coil like it claims to do so...yet when im driving it seems like its missing from like 1700-2700 rpm wise...any idea...cause when im in park...it free flows all the way to redline...im drawing blanks...should i try connecting it to the distributor? would that help cause the problems to go away? please help im in need of it right now

 

I thought most of them say to connect it to the distributor, but maybe not. You might need an adapter type thing to get it to work. I remember reading something that certian tachs/ignition systems work for certian years and all the other years need to buy another adapter thing.

 

Just a guess but is there a switch for number of cylinders you have on it?
I have seen tachs that you had to select 4,6, or 8 cylinders for their accuracy...

 

yea it has the switch in the back and i switched it over...but what were you saying about the adapter piece? would anybody be able to link me to anything that can help show me for hooking it up to the distributor...my haynes book i cant seem to find anything