Charging System: Testing and Inspection

Charging System-Troubleshooting (Part 1 Of 4):

Charging System-Troubleshooting (Part 2 Of 4):

If the charging system light is ON, or the battery is dead or low, test the following items in the order listed below.

1. Battery
2. Charging System Light
3. Alternator/Regulator

Charging System-Troubleshooting (Part 3 Of 4):

NOTE: Se sure the battery is sufficiently charged.

Charging System-Troubleshooting (Part 4 Of 4):

CAUTION: The voltage will rise quickly when the alternator is full-fielded. Do not allow the voltage to exceed 18 V; it may damage the electrical system.

NOTE: Attach a probe to the VAT-40 full field test lead. and insert the probe into the full field access hole at the back of the alternator. Switch the field selector to the "A (Ground)" position momentarily, and check the amperage reading.