GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Brush Length--Standard

16 mm

0.63 in

Brush Length--Minimum

2 mm

0.08 in

Condenser Capacity

0.5 microfarads

Direction of Rotation

Clockwise (Viewed From Pulley Side)

Maximum Generator Output

60, 70 and 85 amps

Maximum Generator Speed

18,000 RPM

Normal Operating Voltage

12 volts

Polarity Negative (-) Ground No-Load Generator Speed

1,300 RPM

Regular Voltage

14.4-15.0 volts

Rotor Slip Ring Resistance

2.5-2.9 ohms

Temperature Range

-30 to 90°C

-22 to 194°F