Electrical & Engine Management
Starting & Charging System
To crank a high-compression 4.9L inline-six from a dead stop and then replenish the electrical system once running, the 1994 F-150 pairs a fender-mounted starter relay and Permanent Magnet Gear Reduction (PMGR) starter motor with a belt-driven 3G three-phase alternator.
- Battery & Cables
- Motorcraft Group 65 (850 CCA) · G103 block/frame ground
- Starter Architecture
- Permanent Magnet Gear Reduction (PMGR) · ~4.4:1 planetary
- Starter Drive Clutch
- 4-roller Bendix overrunning clutch · 10-tooth pinion
- Charging Alternator
- Ford 3G internal-fan 3-phase alternator (95A / 130A)
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Ignition & EEC-IV Engine Management
Parts Catalog
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Part Assemblies in Starting & Charging
PMGR Planetary Starter Motor, Solenoid & Bendix Drive
Permanent-magnet planetary gear-reduction starter that multiplies armature torque 73:1 and disconnects via a 5-roller overrunning clutch.
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Ford 3G 95-Amp Alternator, Rectifier & Regulator
Three-phase claw-pole AC generator with a 6-diode full-wave silicon bridge rectifier and solid-state voltage regulator.
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Group 65 Battery, Fender Starter Relay & Power Box
850-CCA lead-acid storage battery, classic Ford fender-apron starter relay, and under-hood high-current fuse distribution.
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