Practice question

A school bus circuit blows its fuse immediately every time it is replaced and the switch is on. The most likely cause is:

  1. A short to ground after the fuse
  2. High resistance in the load
  3. An open ground connection
  4. A weak battery

Answer: A — A short to ground after the fuse

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