Practice question

A school bus equipped with a battery master disconnect switch will not crank in any gear. The disconnect is in the main negative path. The technician should first verify:

  1. The headlamp aim
  2. The strobe power supply
  3. The fuel sender resistance
  4. The disconnect switch is closed and making a good low-resistance connection

Answer: D — The disconnect switch is closed and making a good low-resistance connection

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