Discovery Series II

Cruise control is a electro-mechanical system which includes the cruise control Electronic Control Unit (ECU), Body Control Unit (BCU), Self-Leveling and Anti-Locking Brakes (SLABS) ECU, system master on/off switch, SET+ switch, RES switch, brake pedal switch, clutch pedal switch (M/T), vacuum pump assembly, actuator, and gear position switch (A/T).

Vacuum pump assembly includes a control valve and solenoid, a dump valve and solenoid and the vacuum pump.