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Identification & Specifications

Alternator is color-ink stamped with MOTORCRAFT trademark. Color stamp is coded for rated amperage output. Rated amperage is also stamped on frame end. See ALTERNATOR OUTPUT table for color code.

ALTERNATOR OUTPUT

Amperage Application Rated Output @ 15V Engine RPM
Orange 40 2900
Green 60 2900
Black 70 1640
Red (1) 100 (1) 2900
(1) Rated cold output.
ALTERNATOR SPECIFICATIONS

Alternator Specification
Field Current at 12 Volts (1) 4.25 Amps
Slip Rings
Minimum Diameter 1.22" (30.9 mm)
Maximum Runout .0005" (.127 mm)
Brush Wear Limit .250" (6.35 mm)
(1) Field current is 4 amps with solid state regulators.
VOLTAGE REGULATOR APPLICATION

Color Code System
Black Warning Light
Gray Ammeter Gauge
Clear (1)
(1) Clear-coded regulator may be used in either system.
Fig 1: Typical Alternator Terminal Location
G15331Courtesy of FORD MOTOR CO.