Is it still negative to negative and positive to positive.
Boosting a 24 volt system with a 12 volt.
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.
Depending on how you wire a two battery 12 volt system the result can be a 12 volt system or a 24 volt system.
The battery system is connected as in this diagram which is the most common setup for 24 volt systems in trucks and buses.
However powering remote water pumps for livestock is only one of many uses for your average 12 volt battery.
Charging 24 volt system with a 12 volt charger hi jim i actually tried that method out a couple of months ago and it went ok for about 5 days and then the 4024 turned itself off due to low battery voltage.
In addition says glen baxter a certified electrician you can power camper appliances boat appliances emergency broadcast equipment and even a golf cart when.
You can power trolling motors electric fences and emergency equipment.
Cars trucks rvs and motorhomes run dual 12 volt batteries for various reasons.
I don t want to blow up a battery or short out an electrical system.
You could how ever put two 12 volt batteries in series and then use that set to jump your 24 volt system there are two possible waysin any case do not use one 12 volt source to boost both.
Orientate the vehicles so their batteries are as close to each.
Apparently i use too much power during the day to make use of that method.
This is so because increasing the voltage of a system causes a reduction in the current through it and in turn reduces the size of the wires you need.
Using a 24 volt supply instead of a 12 volt supply greatly reduces the wiring cost to almost half the original cost.
Position the 12 volt truck as close to the 24 volt truck as possible.
I have never had to jump start a car under these circumstances.
The 6 volt car is a positive ground and the 12 volt car is a negative ground car.