JAZAK5,

I wouldn't worry too much about it, so long as you keep the ground clamp as close as possible to the area you're welding. It might help if you take a die grinder to the grounding area before attaching the ground clamp, just to be sure you have a good, clean connection.

Last Fall I welded up a hood hinge for a friend. He had hit a deer and ripped the hinge support right off the firewall. I welded it up for him, but was concerned about the electronics, just as you are. Turned out just fine. The air bags didn't even deploy. hehehe.

Joel

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