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

Voltage Output Test

Fig. 8 Voltage Output Test Connections:






1. Turn all electrical loads "OFF" and release brake pedal.
2. Start engine and raise engine speed to 2500 - 3000 rpm. Ensure voltage output between terminal S and ground is 14.1 - 14.7 volts, Fig. 8.