Section 42 (Charging System - Generators & Regulators - Excursion & F250-F550 Super Duty (Gasoline)): Description
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2003 Ford Pickup, 2003 Ford F550 Super Duty, 2003 Ford F450 Super Duty, 2003 Ford Excursion, and 2003 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
System consists of generator, integral voltage regulator, storage battery, warning indicator light, fusible links, instrument cluster fuse and associated wiring. Generator integral electronic voltage regulator is fastened to rear of generator with brush holder assembly. Voltage regulator incorporates temperature compensation circuitry, so battery charging voltage is maintained at the optimum level in all climates. Charging system voltage is maintained within an operating range of 13-15 volts.
Charge warning indicator should illuminate with ignition on, engine off. Charge warning indicator should not illuminate with ignition off, or with engine running.