OK I know this can be done but I don't want to fry anything, so I am asking for help from others that are more knowledgeable than I.
I have a set of KC HID lights that my nephew gave me. They are bright as noon day sun.
My problem is that they are setup for 24 volts for a HMMWV.
Can I get 24 volts to these lights out of my 2 batteries already on the truck? What kind of diode (is that what I need?) will I need to get 24 volts without backfeeding 24 volts into the trucks 12 volt system.
If I need to I could add another battery to make a 24 volt system separate from the 12 volt system. If I do that how do I wire in the extra battery so I can charge it but again not feed 24 volts back into my 12 volt system?
I'm open to some suggestions and any help you can give me here.