Section 10-03: Speed Control System
1994 Mustang Workshop Manual
DIAGNOSIS AND TESTING

Electrical Schematic

 

Speed Control System—Vacuum Operated






Connector End Views






Pin Number Circuit Circuit Function
1 149 (BR/LG) Servo Feedback Potentiometer - Positive
2 146 (W/PK) Servo Vent Solenoid Control
3 145 (GY/BK) Servo Vacuum Solenoid Control
4 144 (O/Y) Servo Solenoid Feed
5 148 (Y/R) Servo Feedback to Amplifier
6 147 (P/LB Servo Feedback Potentiometer - Negative
7 Not Used
8 Not Used







Pin Number Circuit Circuit Function
1 57 (BK) Amplifier Ground
2 676 (PK/O) Vehicle Speed Sensor (VSS) Signal Ground
3 679 (GY/BK) Vehicle Speed Sensor (VSS) Signal to Amplifier
4 296 (W/P) Ignition Switch to Amplifier Feed
5 151 (LB/BK) Amplifier Control Line
6 511 (LG) Stoplight Switch to Amplifier Disable







Pin Number Circuit Circuit Function
1 Not Used
2 149 (BR/LG) Servo Feedback Potentiometer + (to Amplifier)
3 148 (Y/R) Servo Feedback Position (to Amplifier)
4 147 (P/LB) Servo Feedback Potentiometer - (to Amplifier)
5 144 (O/Y) Servo Solenoid Feed
6 145 (GY/BK) Servo Vacuum Solenoid Control
7 146 (W/PK) Servo Vent Solenoid Control
8 Not Used