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Home >> Ford >> 2004 >> Thunderbird V8-3.9L VIN A >> Repair and Diagnosis >> Specifications >> Electrical Specifications >> Charging System >> Alternator
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Alternator

Item Specification

Generator (SC2) (vehicles built before 12/2003) 160 amp @ 6000 gen rpm, approx. 2000 engine rpm
Generator (SC1) (vehicles built after 12/2003) 134 amp @ 6000 gen rpm, approx. 2000 engine rpm
pulley ratio 2.88:1

Generator
Base Voltage 12.0 volts
No Load at 2000 rpm between 13.0 - 15.0 volts
Load at 2000 rpm minimum of 0.5 volts above base voltage.