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Home >> Ford >> 2003 >> Explorer AWD V8-4.6L VIN W >> Repair and Diagnosis >> Starting and Charging >> Charging System >> Testing and Inspection >> Pinpoint Tests >> Test A
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Test A

PINPOINT TEST A: THE BATTERY IS DISCHARGED OR BATTERY VOLTAGE IS LOW


Test A1-A3:






Test A4:






Normal Operation
The generator output is supplied through the battery positive output (B+) terminal on the back of the generator to the battery and electrical system. During normal operation the charging system warning indicator should be off with the ignition switch in the ON position and the engine running. The charging system warning indicator should be on with the ignition switch in the ON position and the engine off.

Possible Causes
- battery
- generator
- high key-off current drain(s)