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
Ignition Timing: Tools and Equipment
The timing light is needed to check the computed
ignition timing, which is controlled by the ECA. The timing light should be connected to the battery and No. 1 spark plug wire.