These components, mounted on brake or clutch pedal bracket, disengage system when the respective pedal is depressed. (Scheme 3) Switch and vacuum valve may be combined, and may incorporate brakelight and torque converter clutch switch.
When pedal is depressed, switch interrupts electrical current to cruise control module, which then disengages the system. Vacuum valve vents servo assembly diaphragm to atmosphere when pedal is depressed, causing throttle to immediately return to closed position.
