Jump Start 24 Volt System

Vintage cars may have 6 volt electrical systems or may connect the positive terminal of the battery to the chassis.

Jump start 24 volt system.

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. Put the 24 volt truck in neutral and start it following the normal procedure. 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. Once the bus starts quickly remove the jumper cables so that the bus alternator can take over the charging of the 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. Connect a second jump lead between the negative terminal and the engine block or other ground connection in the 24 volt truck. In either case if a vehicle with a 24 volt battery needs a jump start it can be a headache.

Connect a jump lead from the positive terminal to the positive terminal on the 24 volt truck battery. Trucks usually have a 24 v supply using two 12 v automotive batteries in series. Some 24 volt systems use 24 volt batteries while others wire two 12 volt batteries in series. Jump starting a 24volt truck from another 24volt truck.