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Generator No-Load Test

  1. Connect a voltmeter positive lead to B+ terminal on generator and negative lead to ground. Start and run engine at 2000 RPM, with all accessories off. Read voltmeter when voltage stabilizes. Voltage should be 13-15 volts. If voltage is not as specified, go to next step.
  2. On vehicles equipped with 2.0L Zetec engine, perform self-diagnostics. See SELF-DIAGNOSTIC SYSTEM . On vehicles equipped with 3.0L Duratec engine, repair by symptom. See SYMPTOM INDEX  table under SYSTEM TESTS.
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