Quote:
Originally Posted by EightiesOnly
If you have connected the Tach and its not working at all (same thing happened to me) you should try connecting a pull-up resistor from the tach signal to +12V key on. I don't remember what tach output that our computer was programmed to, but I believe it can be set by the programmer (lt1swap.com in our case).
See the link below for a diagram:
http://lt1swap.com/lsx_tach.htm |
Thanks for the link. I put in the resister but it seems to be reading a little low. How accurate is your gauge? mine reads fine at 100-1,000 RPM but seems to be falling behind after that. I am assuming this is the difference between the pcm being programmed at 4cyl mode vs. 8cyl mode?