Ford Mustang (1999-2004) Service Manual: 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. Visually inspect for obvious signs of mechanical and electrical damage.

Visual Inspection Chart

Mechanical Electrical
  • Deactivator switch
  • Speed control actuator cable not attached to throttle
  • Speed control actuator cable not fully seated to the engine bracket
  • Central junction box (CJB) Fuse:
  • 15 (15A)
  • 33 (15A)
  • 35 (15A)
  •  Battery junction box (BJB) fuse:
  • HORN (20A)
  • Wiring harness
  • Loose or corroded connections
  • Speed control actuator switches

3. If the fault is not visually evident, verify the symptom and GO to the Symptom chart.

    Principles of Operation
    The speed control system is designed to maintain vehicle speed above 48 km/h (30 mph). After the ON switch is depressed, depressing the SET/ACCEL switch will activate the speed control servo. To inc ...

    Symptom Chart
    NOTE: New speed control diagnostic software is available in Version 12 or higher for the diagnostic tool. When using this software, it is necessary to use Next Generation Speed Control Adapter 007- ...

    Other materials:

    Installation
    1. NOTE: Inspect the spring insulators for wear or damage. Install new spring insulators if necessary. Make sure the spring insulators are correctly installed on the springs. 2. Install the springs. 1. Position the springs. 2. Raise the subframe using ...

    Sensor - Front
    Removal 1. Remove the wheel and tire assembly. 2. Remove the inner fender splash shield. 1. Remove the inner fender splash shield push pins. 2. Remove the inner fender splash shield screw. 3. Remove the inner fender splash shield. 3. Remove the front ...

    Using sync with your phone
    Hands-free calling is one of the main features of SYNC. While the system supports a variety of features, many are dependent on your cellular phone’s functionality. At a minimum, most cellular phones with Bluetooth wireless technology support the following fu ...