DR-16A Fault Codes 41-46 or 46 Charging System

1. Disconnect power module 10-way electrical connector.
2. Connect voltmeter between terminal No. 8 of power module 10-way electrical connector and ground.
3. Place ignition switch in Run position and note voltmeter reading.
4. If voltmeter reading is within 1 volt of battery voltage, proceed to Test 16 step B.
5. If voltmeter reading is 0 to 1 volt, check alternator field circuit for short to ground.