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Generator On Vehicle Testing: Notes

CAUTION:
  • To prevent damage to the generator, do not make jumper wire connections except as directed.
CAUTION:
  • Do not allow any metal object to come in contact with the housing and the internal diode cooling fins with key on or off. A short circuit will result and burn out the diodes.
NOTE:
  • Battery posts and cable clamps must be clean and tight for accurate meter indications.
  1. Turn OFF all lamps and electrical components.
  2. Place the vehicle in N (Neutral) and apply the parking brake.
  3. Perform the following component tests.