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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Visual Check




Batteries Without Charge Indicator (magic Eye), Checking

Visual check
Always perform a visual check of the battery before checking no load voltage, electrolyte specific gravity and load test.

Check for:
- Cracked battery case and resulting corrosion damage to surrounding area.
- Loose, damaged or corroded battery posts and terminals.


WARNING!
- Ensure that all battery post/terminal connections are securely installed and tightened according to the torque value specified.
- Intermittent contact at battery terminals may spark or cause electrical system malfunctions.