i need to weld a 2 inch long crack in the stake bed of a 2006 ford and was wondering do i need to disconect anything on the truck like the battery or airbags etc. i will be tig welding the crack
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Thread: welding on a truck
06-19-2007, 07:40 PM #1Junior Member
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- Dec 2006
welding on a truck
06-19-2007, 07:47 PM #2
I would disconnect the battery and unplug the ECM if it's still easy to get to....some wouldn't......is the bed covered under any warranty ?.....
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Fear is temporary, regret is forever
HH210 with SG
06-19-2007, 07:47 PM #3
some say disconect to be safe, others just say put the work lead as close as you can to the weld point. i have never disconected a battery and never had a problem. but i supose there could always be a first time for anything. being as its back on the bed i would just keep the work clamp(ground) as near as i could and TIG it up.
just wondering why TIG, wouldnt MIG be faster? seems like a MIG job to me unless you just want the TIG time.thanks for the help
hope i helped
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06-19-2007, 07:53 PM #4Junior Member
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- Dec 2006
tig is the only welder i have and no the bed is not covered under warranty as someone backed in to the rear side step
thanks for the input
06-19-2007, 08:11 PM #5
I've seen automotive ECM's burned up pretty bad, I mean actually melted from welding current. These were most likely the welder's fault, grounding on the front bumper and welding on the rear. Never had any problems myself. Just to be safe, disconnecting the battery should be good enough, although origional manufactures say to disconnect the ECM as well. On a CAT 657G dual engine scraper, there are 6 ECMs, worth a few thousand each. I only shut off the two master switches for the engines then weld away.Jonny
Esab PCM 1000
06-19-2007, 08:34 PM #6
fatman, I too, have seen ecm's get fried, disconnect the ecm and the battery. It could cost you a ton of money replacing the electrical system. I would also suggest drilling a hole at the ends of the crack as well. DaveIf necessity is the Mother of Invention, I must be the Father of Desperation!
John Blewett III 10-22-73 to 8-16-07
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06-19-2007, 09:26 PM #7
i would at least disconnect the battery once forgot to got lucky and didnt fry anything but i thought i shure had.welding...its awsome