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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Symptom Related Diagnostic Procedures

If road test verifies an inoperative system check and verify the following:

1. Inspect system electrical connections for loose, corrosion or bent terminals.
2. Verify correct installation and condition of vacuum hoses.
3. Check for correct installation of vacuum check valve. End marked VAC must point toward vacuum source.