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Author Topic: Arc welding on XJ  (Read 8108 times)

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puggy

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Arc welding on XJ
« on: April 09, 2008, 10:25:10 PM »
Hello folks, if I wanted to do a little arc welding on my 97 XJ what parts of the electrical system do I need to disconnect.
On earlier cars simply disconnecting the battery was enough but I would hate to fry something important.
Cheers Puggy
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Mike Pavelin

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« Reply #1 on: April 10, 2008, 07:13:37 AM »
I would disconnect the powertrain control module and the battery.
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MuckShifter

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« Reply #2 on: April 10, 2008, 06:21:12 PM »
Pull the plug out of the alternator too :wink:
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greggmo

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« Reply #3 on: April 10, 2008, 11:25:22 PM »
remove the earth from the battery. all you need to do is brake the circuit. trust me i am a welder 8-)
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demonicwillow

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« Reply #4 on: April 10, 2008, 11:59:25 PM »
Quote from: "greggmo"
remove the earth from the battery. all you need to do is brake the circuit. trust me i am a welder 8-)


I agree, i am a welder by trade too! (jack of all trades here) :wink:
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greggmo

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« Reply #5 on: April 11, 2008, 12:12:18 AM »
mig on boddy for sure but ARC is ok on thick stuff 8-)
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puggy

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« Reply #6 on: April 11, 2008, 12:30:35 AM »
Cheers for the advice, the welding I was planning is on the trackbar bracket at the axle end so is fairly heavy duty.
Excuse my ignorance but what is the Powertrain control module and where is it.
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