Bench Testing: Generator

WARNING: This page is about a different car, the 2002 Isuzu Trooper and 2001 Isuzu Trooper. However, it is still accessible from the selected car via links, so may be relevant.

Remove the generator from the vehicle. See GENERATOR under REMOVAL & INSTALLATION.
Secure the generator to the bench test equipment and connect wires. See Fig 1 .
- Terminal "IG" for energizing
- Terminal "L" for neutral (warming lamp)
- Terminal "B" for output
Conduct the generator output test. For characteristics of generator, see Fig 2 . Repair or replace the generator if its outputs are abnormal.

Fig 1: Identifying Generator Bench Testing Set-Up

Courtesy of ISUZU MOTOR CO.

Fig 2: Identifying Generator Output Test Chart

Courtesy of ISUZU MOTOR CO.