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Test A: Charging System Warning Indicator On With Engine Running

  1. Disconnect generator harness connector A-172 (Black/Orange wire). Using DVOM, measure voltage between generator terminal and ground. If battery voltage is measured, go to next step. If battery voltage is not measured, repair Black/Orange wire. See WIRING DIAGRAMS . Retest system for normal operation.
  2. Disconnect generator connector A-168 located on generator. See Figure. Measure voltage between connector terminal No. 1 (Yellow/White wire) and ground. If battery voltage is present, go to next step. If battery voltage is not present, repair Yellow/White wire. See WIRING DIAGRAMS . Retest system for proper operation.
  3. Turn engine off. Turn ignition switch to ON position. Measure voltage between generator connector terminal No. 3 (Light Green/Red wire) and ground. If battery voltage is measured, go to next step. If battery voltage is not measured, repair Light Green/Red wire. See WIRING DIAGRAMS . Retest system for normal operation.
  4. Turn ignition switch to OFF position. Reconnect generator connector A-168. Start engine. With engine running at 2000 RPM, measure voltage drop between connector A-172 (Black/Orange wire) and battery positive (+) terminal . If measured voltage drops is less then .5 volts, replace generator. See GENERATOR  under REMOVAL & INSTALLATION. If voltage drop is .5 volts or less, repair high resistance in Black/Orange wire. See WIRING DIAGRAMS . Retest system.
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