Generator Not Operating Properly

WARNING: This page is about a different car, the 1999 GMC Sierra and 1999 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

For test procedures, see Fig 1 -Fig 4 .

Fig 1: Generator Not Operating Properly (1 Of 4)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Generator Not Operating Properly (2 Of 4)

Courtesy of GENERAL MOTORS CORP.

Fig 3: Generator Not Operating Properly (3 Of 4)

Courtesy of GENERAL MOTORS CORP.

Fig 4: Generator Not Operating Properly (4 Of 4)

Courtesy of GENERAL MOTORS CORP.

NOTE: For charging system check, see CHARGING SYSTEM CHECK in GENERATORS & REGULATORS article in ELECTRICAL.

GENERATOR USAGE (GASOLINE ENGINE)

Generator Model

Rated Amp Output

Load Test Amp Output

AD230

102

AD244 ⁽¹⁾

130

⁽¹⁾	Not used on 4.3L engine.