Practice question

A voltmeter gauge on a school bus dash reads about 12.4V with the engine running at speed. This indicates:

  1. Normal charging operation
  2. An overcharged battery
  3. A shorted dome lamp
  4. The charging system is not charging properly

Answer: D — The charging system is not charging properly

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Practice more: ASE S6 Electrical Electronic Systems (School Bus) Practice Questions - ASE S6 - Electrical Electronic Systems (School Bus) Certification Exam →