Ford Mustang (1999-2004) Service Manual: Charging System (Diagnosis and Testing)
Refer to Wiring Diagrams Cell 12 , Charging System for schematic and connector information.
Special Tool(s)
![]() |
73III Automotive Meter 105-R0057 or equivalent |
![]() |
SABRE Premium Battery and Electrical System Tester 010-00736 or equivalent |
Principles of Operation




Charging System (Description and Operation)
The charging system is a negative ground system consisting of the
following:
generator
internal voltage regulator
charging system warning indicator
storage battery
necessary wirin ...
Functionality
With the ignition switch in the RUN position, voltage is applied
through the warning indicator I circuit
904 (LG/RD) to the voltage regulator. This turns the regulator on,
allowing current to ...
Other materials:
Reservoir
Removal
WARNING: Brake fluid contains polyglycol ethers and polyglycols.
Avoid contact with
eyes. Wash hands thoroughly after handling. If brake fluid contacts eyes,
flush eyes with
running water for 15 minutes. Get medical attention if irritation persi ...
Transmission Electronic Control System
The powertrain control module (PCM) and its input/output network
control the following transmission
operations:
Shift timing
Line pressure (shift feel)
Torque converter clutch
The transmission control is separate from the engine control s ...
Lamp Switch - Headlamp
Removal
1. Disconnect the battery ground cable.
2. Remove the headlamp switch knob.
1. Pull the headlamp switch knob out.
2. Insert a thin tool into the slot, pull and remove the headlamp switch
knob.
3. Remove the instrument panel cluster fin ...


