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2-Speed Motor

  1. Ensure battery is fully charged. Disconnect cooling fan motor connector. Connect ammeter between positive battery terminal and positive cooling fan motor connector terminal for desired fan speed test. See WIRING DIAGRAMS in ELECTRIC COOLING FANS article in ENGINE COOLING.
  2. Ensure cooling fan motor operates smoothly on all speeds at specified current. See COOLING FAN MOTOR CURRENT SPECIFICATIONS  table. If cooling fan motor draws more or less than specified amperage, check wiring. If wiring is okay, replace cooling fan motor.
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