How To Jump Start A Diesel Truck With 2 Batteries

2 sets of cables battery to battery.
How to jump start a diesel truck with 2 batteries. Start the tractor while the batteries on the tractor are connected to the battery on the truck. A vehicle with dual batteries usually has thicker cables on one of the batteries. Be very careful to keep the jumper cables away from moving parts cooling fan alternator belt etc on both vehicles. When the diesel starts disconnect the battery cables in the reverse order of attachment.
Remove the negative battery cable from the truck and then remove the red cable clamp from the trucks battery. If either vehicle has dual batteries with cables of the same thickness use either battery for the jump. If a vehicle has only one battery just be sure to hook the cables up in the proper order. Attach the jumper cables to the battery that has thicker cables.
This will charge the batteries on the tractor enough to turn it over. Start the engine of the diesel. How to jump start a diesel powered automobile.