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post #1 of 12 Old 05-05-2010, 08:14 PM Thread Starter
newyj
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welding ques.

do I need to do anything special for electronics to weld on my frame, ie disconnect battery?


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post #2 of 12 Old 05-05-2010, 08:17 PM
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I like to disconnect the battery just as a precaution. it only takes an extra minute

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post #3 of 12 Old 05-05-2010, 08:18 PM Thread Starter
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thanks brian, gotta weld near steering box frame rot who knew?

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post #4 of 12 Old 05-05-2010, 08:27 PM
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You can if you want but I have never, nor did the guy that taught me how to weld.

As long as your ground is close to your work, there should be no issue at all. Exhaust shops weld on rigs all day long without cutting the power.


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post #5 of 12 Old 05-05-2010, 09:03 PM Thread Starter
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thanks rusty you guys are gods

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post #6 of 12 Old 05-05-2010, 10:52 PM
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Quote:
Originally Posted by rustywrangler View Post
You can if you want but I have never, nor did the guy that taught me how to weld.

As long as your ground is close to your work, there should be no issue at all. Exhaust shops weld on rigs all day long without cutting the power.
I never have either. I see it as a precaution you could certainly take but I don't think it's necessary.

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post #7 of 12 Old 05-05-2010, 11:23 PM
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Quote:
Originally Posted by rustywrangler View Post
You can if you want but I have never, nor did the guy that taught me how to weld.

As long as your ground is close to your work, there should be no issue at all. Exhaust shops weld on rigs all day long without cutting the power.
quoted for truth! I have never disconnected the battery. Just do as Rusty says.

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post #8 of 12 Old 05-05-2010, 11:29 PM
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Disconecting the battery does nothing but isolates the battery. It does nothing to protect the sensors or ECM. If you wanted to "protect" them, you would have to unplug and remove them. However, this is not needed. Electricity is lazy, in that it will take the easiest path to ground. If you keep the ground clamp close to the work, the electricity will never make it to anything else.

So, to answer your question. No I never disconect the battery on anything I am welding. But i keep my ground clamp close to the work.

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post #9 of 12 Old 05-05-2010, 11:32 PM
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i disco when i weld. i blew an ignition modual on a dune buggy by not discoing. and i was grounded right next to where i was welding. just be carefull when you disco some vehicles that have anti theft devices.

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post #10 of 12 Old 05-06-2010, 07:28 AM
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If you have a winch be sure to disconnect those cables as well. Precautionary measures of course. I always disconnect, just for peace of mind.
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post #11 of 12 Old 05-06-2010, 09:44 AM
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It is EMC! Electrmagnetics. The electronics are protected when the are not pligged in(for the most part) because the transistors are not stiching and the othe other electronics dont have current flow. Add trons to the picture and have the electronics up and you have a huge recipe for letting smoke out that will now go back in. For the most part everything powers down on the YJ with the Key off. So its not as big a deal, but I guarantee that on the new cars the battery is disconnected when battery power is the only thing going to a module on the car and it cost $1000 to replace! I let the smoke out for a living doing Electromagnetics and if the only thing I loose is 5 minutes diconnecting it and it lessens the chance of the carnage I see here at work....I'll spend the time
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post #12 of 12 Old 05-06-2010, 03:39 PM Thread Starter
newyj
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thanks for all the input guys what would we do without you

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