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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Charging Procedure

1. Batteries with a built-in hydrometer showing a green dot do not require charging unless they have just been discharged (by cranking the engine).

Battery Charging:




2. Connect the battery charger cables to the positive (+) and negative (-) battery terminals. Make sure all charger cable-to-battery terminal connections are clean and tight.
3. Charge the battery using the charge setting for 12 VDC batteries that gives the highest charge rate to the battery. Refer to the battery charger manufacturer's instructions.

Important: Do not use the charge settings for jump starting vehicles.

4. Charge the battery until the green dot appears in the hydrometer. Check the battery every half-hour. The battery may need to be tipped or shaken gently for the green dot to appear.
5. After charging, the battery should be tested. Refer to "Battery Testing". Testing and Inspection