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)
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73III Automotive Meter 105-R0057 or equivalent |
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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:
Automatic transmission
WARNING: Always set the parking brake fully and make sure
the gearshift is latched in position P. Turn the ignition off and
remove the key whenever you leave your vehicle.
Your vehicle has been designed to improve fuel economy by reducing
fuel usage while coas ...
Speed Control (Diagnosis and Testing)
Refer to Wiring Diagrams Cell 31 , Speed Control for schematic and connector
information.
Special Tool(s)
Worldwide Diagnostic System
(WDS)
418-F224,
New Generation STAR (NGS)
Tester
418-F052, or equivalent
diagnostic tool
7 ...
Idle Air Control (IAC) Valve - 3.8L
Removal
1. Disconnect the battery ground cable. For additional information,
refer to Section.
2. NOTE: Discard the idle air control (IAC) valve gasket.
Remove the IAC valve.
Disconnect the connector.
Remove the two bolts, the IAC valve and ...


