need help! how to prep to weld on 09 6.4 fire engine? - Ford Powerstroke Diesel Forum
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Old 05-17-2011, 01:22 PM
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need help! how to prep to weld on 09 6.4 fire engine?

Hey! I have to weld a brushguard back together on a fire engine in New Mexico on a high wind afternoon! What do I do to avoid frying the pcm? Mainly, where is it?
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Old 05-17-2011, 02:48 PM
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Got it fixed, able to take the broken pieces off. Meanwhile, a piece of machinery caught fire in a field. Off to the races. Cheers!
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Old 05-17-2011, 02:52 PM
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Quote:
Originally Posted by tek9tim View Post
a piece of machinery caught fire in a field.
Good thing you got a fire truck.
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Old 07-16-2011, 08:18 PM
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generally if you disconnect both positive battery cables and place your ground clamp as close to the weld site as possible no harm should come to the ecm or all the other electronics(like strobes and radios)
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Old 07-17-2011, 08:04 AM
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Hey, thanks! Although that problem is long since resolved, I am now captain on a more piece of crap engine, and I would be amazed if I get though the season without having to weld on the stupid thing. Good to know the proper way to go about it. Thanks again...
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Old 09-05-2011, 04:05 PM
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As nitrogen said, should be fine. Ground directly to what you are welding to prevent any ground loops. I didn't have a problem welding on my truck.
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