Operation CHARM: Car repair manuals for everyone.
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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Battery Discharged




Battery discharged

Check for a poor connection at the battery terminal.

Test the battery Battery Test.

Troubleshoot the alternator and regulator circuit Alternator And Regulator Circuit Troubleshooting.

Check for a broken drive belt Testing and Inspection.

Check the drive belt auto-tensioner Testing and Inspection.

Check for excessive parasitic electrical current draw Parasitic Draw Check.

Check for a broken over-run alternator decoupler (OAD) pulley Over-Run Alternator Decoupler (OAD) Pulley Inspection.