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  1. #1
    Join Date
    Dec 2006
    Posts
    8

    Default welding on a truck

    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
    thanks

  2. #2
    Join Date
    Aug 2006
    Location
    N.C.
    Posts
    362

    Default

    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 ?.....
    Mike
    George W. Bush was saving your butt whether you liked it or not!
    Fear is temporary, regret is forever
    HH210 with SG

  3. #3
    Join Date
    Aug 2006
    Location
    near rochester NY
    Posts
    9,881

    Default

    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
    ......or..........
    hope i helped

    feel free to shoot me an e-mail direct i have time to chat. james@newyorkmetalart.com
    summer is here, plant a tree. if you don't have space or time to plant one sponsor some one else to plant one for you. a tree is an investment in our planet, help it out.
    JAMES

  4. #4
    Join Date
    Dec 2006
    Posts
    8

    Default

    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

  5. #5
    Join Date
    Jun 2006
    Location
    Calgary, Alberta
    Posts
    377

    Default

    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

    Dynasty 300DX
    Esab PCM 1000

  6. #6
    Join Date
    Mar 2007
    Location
    Vero Beach, fl.
    Posts
    761

    Default frame crack

    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. Dave
    If necessity is the Mother of Invention, I must be the Father of Desperation!

    John Blewett III 10-22-73 to 8-16-07
    Another racing great gone but not to be forgotten.http://video.google.com/videoplay?do...modified&hl=en

  7. #7
    Join Date
    Mar 2007
    Posts
    511

    Default

    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

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