Circuit Operation

The Electro-Motor Cruise Control is a speed control system which maintains a desired vehicle speed under normal driving conditions The system has the capability to CRUISE, COAST, RESUME SPEED, ACCELERATE, TAP-UP and TAP-DOWN.

Depressing the Set and R/A Switches simultaneously will cancel cruise control operation, without removing memory speed.

An Electronic Controller and Electric Motor are contained in the Cruise Control Module. The Controller monitors vehicle speed and operates the Stepper Motor. In response to the Controller, the motor moves a connecting strap that is attached to the Cruise Control Cable. The Cruise Control Cable moves the Throttle Linkage to vary throttle position in order to maintain the desired speed. The Cruise Control Module prevents system engagement below a minimum speed of approximately 25 mph. The module is controlled by mode control switches which are part of the multifunction lever.

With the ignition Switch in RUN battery voltage is applied to the Cruise Control Module through the BRN (41) wire. When the Cruise Control Switch is moved to the ON position, battery voltage is applied to the Cruise Control Module through the GRY (397) wire. If the brake pedal or clutch is not depressed, battery voltage is present at the module through the BRN/WHT (379) wire. When the brake pedal is pressed, battery voltage is applied to the Cruise Control Module through the LT BLU (1320) wire and removed from the BRN/WHT (379) wire. When the Clutch Pedal is pressed, battery voltage is removed from the BRN/WHT (379) wire. When the Cruise Control Switch is moved to the R/A position, battery voltage is applied to the module via the GRY/ BLK wire. With the Set/Coast Switch depressed, battery voltage is present at the module through the DK BLU (84) wire. The Cruise Control Module receives vehicle speed signal inputs through the DK GRN/WHT (817) wire. In operation, voltage will oscillate between a high of 4 to 5 Volts and a low of near 0 Volts. Ground for the Cruise Control Module is provided through the BLK/WHT (451) wire.