Welding without a welder - DC Welding Stick Welding with car batteries

I"ve used this trick once many years ago to weld the spring shackle on my old IH Scout II.

I used my battery and the battery of another guy there.  My battery died completely about a week later.

But I got out of the woods, where I was about 23 miles out in the back beyond.

Here is another video.



He has the system set up to use the negative ground and you can see the issues he is having. 

If you do this ALWAYS POSITIVE Ground it or you will not get proper welds.