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Home >> Ford >> 1999 >> Explorer 4D Utility, 5.0 P, AWD >> Repair and Diagnosis >> Electrical >> Charging Systems >> Charging System - Generators & Regulators >> System Tests >> Test C

Test C

  1. Disconnect generator 3-pin connector. Inspect connector for loose, damaged or corroded terminals. Ensure generator connector is connected properly. If connector is not okay, repair as necessary and check system operation. If connector is okay, go to next step.
  2. With engine running at 2000 RPM, measure voltage between generator terminal B+ (Black/Orange wire) and ground. If voltage is less than 15.5 volts, go to next step. If voltage is 15.5 volts or greater, go to TEST H .
  3. Turn ignition off. Disconnect generator 3-pin connector. Start engine and observe charge warning indicator. If indicator does not illuminate, go to TEST D . If indicator illuminates, repair short to ground in Light Green/Red wire and check system operation. See WIRING DIAGRAMS .
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