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Speed Control Switch Assembly

Turn ignition off. Access speed control switch electrical connector but do not disconnect connector. Check for 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, go to SYSTEM TESTS 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 More Than 5 Volts
Yellow/Blue Wire More Than 5 Volts
COAST/SET Pressed
Purple/Orange Wire Less Than One Volt
Yellow/Blue Wire More Than 10 Volts
RES/ACCEL Pressed
Purple/Orange Wire More Than 10 Volts
Yellow/Blue Wire Less Than One Volt