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No Load Test

  1. Connect a suitable test meter (09081-00010 alternator tester for models with special connector from regulator, or a common regulator tester) as shown in illustrations. Start engine and increase speed gradually to 2000-2300 RPM. Read "B" terminal voltage. Voltage should be 13.5-14.8 with a current draw of not more than 10 amps. If current is over specifications, battery is discharged or internally shorted.
  2. If voltage reading is not steady, it indicates regulator points are dirty, or defective connection exists at "F" terminal.
  3. If voltage reading is too high, it indicates the following problems: Regulator low speed gap is too wide. High speed point gap is too wide. High speed point resistance is too high. Open circuit regulator coil or voltage relay coil. Open circuited regulator coil or voltage relay coil. Open circuited regulator "N" terminal or "B" terminal. Low speed point contact tension too heavy. Loose regulator ground connection.
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