Jumping A 24 Volt System

If this is the same way your 24 volt system is connected the starting procedure is quite simple.

Jumping a 24 volt system.

Some 24 volt systems use 24 volt batteries while others wire two 12 volt batteries in series. In either case if a vehicle with a 24 volt battery needs a jump start it can be a headache. Jump starting a 24 volt system from a 12 volt system won t work if only one 12 volt battery is available but if the 12 volt truck has two batteries it becomes possible to produce a 24 volt supply. In either case if a vehicle with a 24 volt battery needs a jump start it can be a headache.

New powerall 24v jump starting a 24v city transit bus running dual group 8d 1 300 cca batteries at the los angeles dept. The battery system is connected as in this diagram which is the most common setup for 24 volt systems in trucks and buses. Jump starting a 24volt truck from another 24volt truck. Some 24 volt systems use 24 volt batteries while others wire two 12 volt batteries in series.

Orientate the vehicles so their batteries are as close to each. Position the 12 volt truck as close to the 24 volt truck as possible. Since the power of a 24 volt system will overload a 12 volt one in another vehicle you will need another 24 volt battery to provide the power.