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

Alternator: Testing and Inspection

Conduct a bench test of the generator.

Remove generator from the vehicle (see "Removal and Installation"). Service and Repair
1. Secure generator to the bench test equipment and connect wires.
Terminal "IG" for energization
Terminal "L" for neutral (warning lamp)
Terminal "B" for output

2. Conduct the generator characteristic test.
Characteristics of generator are shown in image.
Repair or replace the generator if its outputs are abnormal.