Practice question

A vehicle battery drains overnight. An ammeter connected in series with the negative battery terminal shows a current draw of 1.2 Amps after the vehicle enters sleep mode. What does this confirm?

  1. The alternator charging circuit is functioning correctly
  2. There is a parasitic current draw that exceeds the normal sleep limit of 0.05 Amps (50mA)
  3. The vehicle battery has an internal short circuit
  4. The starter motor solenoid is sticking closed

Answer: B — There is a parasitic current draw that exceeds the normal sleep limit of 0.05 Amps (50mA)

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