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On-Off Control Switch

  1. Using self-powered test light, test system ground through driver's delay-control switch. Connect one lead to ground and other lead to terminal No. 220 (Purple/Orange wire) of delay-control switch, with switch in ON position.
  2. If continuity exists, check Purple/Orange wire between potentiometer connector and photocell/amplifier connector. If continuity does not exist, check continuity of potentiometer. See appropriate POTENTIOMETER TEST.
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