Operation CHARM: Car repair manuals for everyone.

System Specifications

Charging System Specifications
Battery
Battery - Standard 58 Ah
Capacity 9.6 V or more
At 21 degrees C (70 degrees F)
Current Drain Less than 0.05 A
Generator
Generator - Standard 60-115 A
45-90 A
Normal Charging System Voltages
Terminal A S I Alt B+ Battery Engine to Battery Ground
Key OFF 12 V 0 V 0 V 12 V 12 V 0 V
Key ON, Engine OFF 12 V 0 V 1-3 V 12 V 12 V 0 V
Engine Running 12 V 6-7 V 12 V 12 V 0 V
Output Voltage 13-15 V
At 2,000 RPM.