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Test Results

NOTE:

The power source to the field coil circuit consists of a pre-excitation resistor in parallel with the charge indicator light. If continuity is absent through either leg of the parallel circuit, the charging system will still function normally. However, the failed leg of the parallel circuit should be repaired for more reliable system operation.

  1. If charge indicator light is illuminated and there is continuity though the pre-excitation resistor, the charge indicator light circuit and pre-excitation resistor are okay.
  2. If the charge indicator light is not illuminated and there is no continuity though the pre-excitation resistor, the charge indicator light circuit and pre-excitation resistor are at fault, not the battery. Repair the circuit and replace the pre-excitation resistor as necessary.
  3. If the charge indicator light is not illuminated but there is continuity through the pre-excitation resistor circuit, repair the charge indicator light circuit as necessary.
  4. If the charge indicator light is illuminated but there is not continuity through the pre-excitation resistor, replace the pre-excitation resistor.