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SERVO-SPEED CONTROL DESCRIPTION A speed control servo is used only with 3.7L V-6 or 4.7L V-8 engines. The speed control servo (3) is located in the engine compartment and is attached to the cross-support (4). The servo unit consists of a solenoid valve body, and a vacuum chamber. The solenoid valve body contains three • Vacuum • Vent • Dump The vacuum chamber contains a diaphragm with a cable attached to control the throttle linkage. OPERATION A speed control servo is used only with 3.7L V-6 or 4.7L V-8 engines. The Powertrain Control Module (PCM) controls the solenoid valve body. The solenoid valve body controls the appli- Power is supplied to the servo’s by the PCM through the brake switch. The PCM controls the ground path for the The dump solenoid is energized anytime it receives power. If power to the dump solenoid is interrupted, the sole- 1 - Air Cleaner Box 8P - 8 SPEED CONTROL WK |