Welding Exhaust and disconnecting Battery - Maserati Forum

 
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post #1 of 5 Old 07-12-2019, 10:38 PM Thread Starter
 
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Welding Exhaust and disconnecting Battery

I was wondering if it was a safe practice for exhaust welders to disconnect the battery before welding to avoid short circuiting the electrical system.
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post #2 of 5 Old 07-12-2019, 10:54 PM
 
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Yes, you can get away with it 99.9% of the time, but there is always that chance...You are generally always supposed to disconnect it when welding on a car...Jason

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post #3 of 5 Old 07-12-2019, 11:47 PM Thread Starter
 
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Originally Posted by [email protected] Enzo`s Atlanta View Post
Yes, you can get away with it 99.9% of the time, but there is always that chance...You are generally always supposed to disconnect it when welding on a car...Jason


Thanks Jason. I had an X pipe built a couple months ago and they connected a device to the negative and positive battery terminals to prevent electrical damage. A few days later the head unit screen started going white and rebooting itself. Not sure if the welding had anything to do with it. I spoke to an exhaust fabricator about installing new cats and he said the electrical should be ok... he's never had a problem yet. Thanks for the advice Jason. This time around I will be disconnecting my battery.
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post #4 of 5 Old 07-13-2019, 12:12 AM
 
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Yeah, they using a surge device. Anyone using that probably has their shit together ..I think that screen thing is kinda your deal honestly...If they would have messed it up, it would occur immediately.. I welded a dash component on Jaguar XJS once with the battery connected...The RH blower motor started to run first touch of the welder....I knew I was on the hook for that mess up...The surge wiped out the transistor in the blower......Jason

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post #5 of 5 Old 07-13-2019, 01:47 PM
 
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You should always unhook the battery any time you weld on any vehicle.
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