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Diode Assembly

  1. Place ohmmeter on x100 scale. Connect ohmmeter leads across B+ terminal and each of the 3 stator terminals, in turn. Reverse leads. Ohmmeter should indicate continuity in one direction only.
  2. Connect ohmmeter leads across negative plate and each of the 3 stator terminals, in turn. See Fig 1 . Reverse leads. Ohmmeter should indicate continuity in one direction only.
    Fig 1: Testing Bosch Diode Assembly
    G29438
  3. Connect ohmmeter leads across D+ terminal and each of the 3 stator terminals, in turn. Reverse leads. Ohmmeter should indicate continuity in one direction only. Replace diode assembly if defective.
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