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Home >> Mercury >> 1999 >> Villager Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Cruise Control Systems >> Component Tests >> Speed Control Switch Assembly

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 Volts
No Button Pressed
Purple/Orange Wire Less Than One
Yellow/Blue Wire Less Than One
CANCEL Pressed
Purple/Orange Wire More Than 5
Yellow/Blue Wire More Than 5
COAST/SET Pressed
Purple/Orange Wire Less Than One
Yellow/Blue Wire More Than 10
RES/ACCEL Pressed
Purple/Orange Wire More Than 10
Yellow/Blue Wire Less Than One