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Re: Welding w/ Battery connected, now it won\'t start

Jumping it won't hurt anything that isn't already hurt, as long as you jump it properly.

Your problem is almost certainly a ground connection between where your welder ground was attached and your work area.

In future welding projects, remember to connect your welder ground as closely as possible to your work area. What causes the problem is having the ground at one end of the frame and welding the body somewhere else. The welding current has to go through several joints and connections to get back to the source. In an old vehicle those joints can fail and force the current to take a different path.
 

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Registered
Joined
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11,506 Posts
Re: Welding w/ Battery connected, now it won\'t start

Jumping it won't hurt anything that isn't already hurt, as long as you jump it properly.

Your problem is almost certainly a ground connection between where your welder ground was attached and your work area.

In future welding projects, remember to connect your welder ground as closely as possible to your work area. What causes the problem is having the ground at one end of the frame and welding the body somewhere else. The welding current has to go through several joints and connections to get back to the source. In an old vehicle those joints can fail and force the current to take a different path.
 
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