CJTurbo
15+ Year Contributor
- 84
- 1
- Mar 16, 2007
-
Lake Grove,
New York
After some reading and searching, I have a question.
What is the most accurate signal for tach/shift light? I have read pin 109 and pin 21.
Thanks
What is the most accurate signal for tach/shift light? I have read pin 109 and pin 21.

Thanks