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Home >> Ford >> 1992 >> Thunderbird Base, 5.0 T >> Repair and Diagnosis >> Suspension >> Electronic Suspension >> Automatic Ride Control >> Quick Tests >> Quick Test A4 >> Preparation For Testing

Preparation For Testing

  1. Turn ignition off. Ensure ride control switch is in AUTO position. Turn ignition switch to RUN position. Leave engine off. Wait until FIRM RIDE light turns off (approximately 4 seconds).
  2. If FIRM RIDE light comes on for 4 seconds and then goes out, proceed to TEST A5. If light comes on and stays on while in AUTO position, proceed to TEST D5. If light comes on for 4 seconds and then flashes a code, record trouble code, and proceed to TROUBLE CODES under TESTING & DIAGNOSIS.
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