Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Spark

Range (-96 to -255 Degrees)
The Spark Advance is a display of the spark advance calculation which the VCM is provided to the Ignition Control Module. The VCM calculates the desired spark advance using data such as engine temperature, RPM, load and vehicle speed.