Speed Control Switch Assembly
WARNING: This page is about a different car, the 1996 Mercury Villager. However, it is still accessible from the selected car via links, so may be relevant.
Turn ignition off. Access speed control switch electrical connector but do not disconnect connector. Measure voltage at Purple/Orange wire and Yellow/Blue wire terminals of speed control switch while pressing buttons as specified. See SPEED CONTROL SWITCH VOLTAGE SPECIFICATIONS table. Press only one button at a time. If voltages are as specified, return to appropriate Pinpoint Test and resume testing at last step completed. If voltages are not as specified, replace speed control switch.
SPEED CONTROL SWITCH VOLTAGE SPECIFICATIONS
| Button | Voltage | |
|---|---|---|
| No Button Pressed | ||
| Purple/Orange Wire | Less Than One Volt | |
| Yellow/Blue Wire | Less Than One Volt | |
| CANCEL Pressed | ||
| Purple/Orange Wire | Greater Than 5 Volts | |
| Yellow/Blue Wire | Greater Than 5 Volts | |
| COAST/SET Pressed | ||
| Purple/Orange Wire | Less Than One Volt | |
| Yellow/Blue Wire | Greater Than 10 Volts | |
| RES/ACCEL Pressed | ||
| Purple/Orange Wire | Greater Than 10 Volts | |
| Yellow/Blue Wire | Less Than One Volt | |