Crown Victoria V8-281 4.6L SFI (1998)
Battery: Testing and Inspection
Battery Load Test
1. With the engine running, turn the air conditioner on 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 volts above the base voltage.
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If the voltage does not increase as specified, refer to Generator On-Vehicle Tests and Generator Bench Tests. See: Charging System/Testing
and Inspection/Component Tests and General Diagnostics/Generator Testing
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If the voltage increased as specified, the charging system is operating normally. Proceed to the battery drain testing. See: Drain Test
