Load Test
1. With the engine running, place the air conditioner in the ON position, if equipped, the blower motor on high speed and the headlamps on high beam.2. Increase the engine speed to approximately 2000 rpm. The voltage should increase a minimum of 0.5 volt above the base voltage. If the voltage does not increase as specified, go to Generator On-Vehicle Test. Generator On-Vehicle Tests
If the voltage increased as specified, the charging system is operating normally. Proceed to the battery tests. Battery Tests