Vehicles equipped with diesel engines may have two batteries connected in parallel in order to provide additional current at the same voltage. Technician A says to successfully test the batteries, they should be disconnected and tested separately. Technician B says that a fault in one battery has NO effect on the other battery. Who is right?

Question

Quizplus · Accepted Answer

Technician A is correct because testing the batteries separately ensures accurate results for each battery's condition. A fault in one battery can affect the performance of the other when connected in parallel, contrary to Technician B's statement.

Vehicles Equipped with Diesel Engines May Have Two Batteries Connected