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Delay Control Test

  1. Connect an ohmmeter between terminals No. 220 and 217 of the photocell/amplifier connector. See Fig 1 . With control in maximum "ON" position, reading should be approximately 200,000 ohms. If not, perform step 3) of the POTENTIOMETER TEST.
  2. If potentiometer is okay, check circuit No. 217 for continuity between potentiometer connector and amplifier connector. If potentiometer does not check out okay, replace potentiometer.
  3. If all systems check out okay, but system is still malfunctioning, replace the amplifier assembly.
Fig 1: Photocell/Amplifier Connector Terminal Identification
G53172Courtesy of FORD MOTOR CO.
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