Comment Re:How does this work in my positive-earth car? (Score 1) 792
I believe they are called "positive ground" (+ terminal of battery connected to chassis ground instead of - terminal) and yes they do exist.
not if you're English. (or your car is English) My car has a sticker under the hood (bonnet) that says "This vehicle is wired NEGATIVE EARTH" in big bold letters to make sure you know that before you try to hook up jumper cables.
On a related note, will these work on 6v vehicles? You'd probably have to buy a separate one that costs 10x as much in either case.