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Pinpoint Test A: The Clock Operation Is Erratic/Inoperative

  1. A1 CHECK CIRCUIT 483 (RD) FOR AN OPEN 
    • Key in OFF position.
    • Disconnect: Clock C2016
      • Fig 1: Checking Circuit For Open
      GF0018160Courtesy of FORD MOTOR CO.
    • Measure the voltage between the clock C2016-6, circuit 483 (RD), harness side and ground.
    • Is the voltage greater than 10 volts? 
    1. YES  : Go to  A2.
    2. NO  : VERIFY the SJB fuse 7 (7.5A) is OK. If OK, REPAIR the circuit. TEST the system for normal operation.
  2. A2 CHECK CIRCUIT 1205 (BK) FOR AN OPEN 
      Fig 2: Checking Circuit For Open
      GF0018161Courtesy of FORD MOTOR CO.
    • Measure the resistance between the clock C2016-3, circuit 1205 (BK), harness side and ground.
    • Is the resistance less than 5 ohms? 
    1. YES  : INSTALL a new clock. REFER to Clock  in this article. TEST the system for normal operation.
    2. NO  : REPAIR the circuit. TEST the system for normal operation.
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