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 spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Oscilloscope Patterns and Waveforms

1. Disconnect the distributor 2 pin connector and connect the special tool (test harness: MB991348) in between. (All of the terminals should be connected.)
2. Connect the analyzer primary pickup to the distributor connector terminal 12.
3. Connect the primary pickup ground terminal.
4. Clamp the spark plug cable with the trigger pickup.

NOTE: The wave pattern of the cylinder clamped to the trigger pickup will appear at the left edge of the screen.