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 (Diagnosis and Testing)

 

 

Charging System (Diagnosis and Testing)

 

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:

Inspection and Verification
NOTE: If any concerns are noted with the speedometer, stoplamps, or horn, address those concerns by referring to their associated sections before continuing speed control diagnosis. 1. Verify the customer concern by operating the speed control system. 2. Vi ...

Pinpoint Test A: The Air Bag Warning Indicator Is Illuminated Continuously - RCM Disconnected, Inoperative or Lost/Low Ignition Feed
Normal Operation NOTE: During normal operation the air bag indicator will be lit continuously for 6 seconds after the ignition switch is placed in the RUN position and after five cycles of a lamp fault code (LFC) if a fault exists. Be sure to cycle the ignit ...

Component Tests
Engine Oil Leaks NOTE: When diagnosing engine oil leaks, the source and location of the leak must be positively identified prior to repair. Prior to carrying out this procedure, clean all sealing surface areas with a suitable solvent to remove all tra ...