B4000 V6-4.0L SOHC (2005)
Alternator: Testing and Inspection
Generator on-Vehicle Tests - No-Load Test
Generator On-Vehicle Tests - No-Load Test
1. Switch the Battery Tester to the voltmeter function.
2. Connect the voltmeter positive lead to the generator B+ terminal, circuit (BK/OG) and the negative lead to ground.
3. Turn all electrical accessories off.
4. With the engine running at 2000 rpm, check the generator output voltage. The voltage should be between 13.0 and 15.0 volts. If not, see
SYMPTOM TROUBLESHOOTING CHART - CHARGING SYSTEM. See: Testing and Inspection/Symptom Related Diagnostic
Procedures/Symptom Diagnostic Index
