How To Jump Start 24v Lorry. Starting with the battery terminal connected to ground use a wrench to disconnect the cables linking the two batteries to the truck. If you have a voltmeter try and find which of the two 12V batteries used on the 24V vehicle has the lowest voltage and jumper the helping battery across this one.
Ad Over 70 New. Red to the positive terminal on the battery and black to an exposed piece of the vehicles frame. The terminal will either have a symbol or a red cover.
If you have a voltmeter try and find which of the two 12V batteries used on the 24V vehicle has the lowest voltage and jumper the helping battery across this one.
Then the negative of battery one is the 24v -neg. Attach the positive part of one jumper cable to the positive terminal on the truck battery 24V battery. Connect the cables second clamp to the good batterys positive terminal. You have to connect the positive of battery one to the negative of battery two.
