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)

Or, hide this message: temporarily or permanently

Testing - Voltage/Amperage

Testing - Voltage/Amperage
Battery Voltage
Standard Voltage 12.5 - 12.9 V
At 20 degrees C (68 degrees F.
Charging Circuit Without Load
With the engine running from idling to 2,000 rpm
Standard Amperage 10 A (or less)
Standard Voltage 13.2 - 14.8 V
Charging Circuit With Load
With the engine running at 2,000 rpm,, turn on the high beam headlights and place the heater blower switch at high
Standard Amperage 30 A (or more)