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ISC Motor

  1. Disconnect ISC motor connector. Check motor coil continuity between terminals No. 1 and 4. See Figure . Resistance should be 5-35 ohms. If resistance is zero ohms or abnormally large, an open or short exists in motor coil. Replace ISC servo assembly.
  2. Connect 6 volts DC (four 1.5-volt DC batteries) between terminals No. 1 and 4 of ISC motor connector to operate ISC motor. DO NOT apply more than 6 volts. If motor does not operate, replace ISC motor assembly.
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