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Home >> Plymouth >> 1988 >> Gran Fury Base >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Testing >> Servo Unit >> RWD Models
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

RWD Models

  1. Connect a test light between ground and Brown/Red wire at servo terminal. See Fig 1 . With ignition switch and cruise control switch in "ON" position, light should glow. Push "SET" button. Light should go out and a click should be heard at servo.
  2. Release "SET" button. Light should go on and another click should be heard at servo. If light does not respond as described, check for blown fuse, faulty wiring or defective switch. If no clicks are heard, replace servo.
  3. Connect test light between ground and White/Red wire at servo terminal. With ignition switch and cruise control switch in "ON" position, light should be off. Push "SET" button. Test light should go on. If light does not respond properly, check for defective switch or faulty wiring.
  4. Connect test light between ground and Blue/Red wire at servo terminal. With ignition switch and cruise control switch in "ON" position, light should glow. If light does not glow, check for faulty wiring, brake switch, clutch switch or cruise control switch.
Fig 1: RWD Servo Unit Connector
G8025Courtesy of CHRYSLER MOTORS.