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- - Who welds on cars? (http://www.njfboa.org/forums/showthread.php?t=51533)

alamantia

05-25-2010 08:37 AM

Who welds on cars?

I bought some weld on LCA brackets for my 2002 Z28. My brother has a TIG welder. If I grind off a spot on the rear for the clamp do I have to disconnect the negitive battery cable or PCM before we strike an arc?

z28rob18

05-25-2010 08:42 AM

we disconected the batt when we did the cage in my car

alamantia

05-25-2010 08:46 AM

guess it couldnt hurt right...

greenformula92

05-25-2010 08:46 AM

u might want to...there is an abs sensor in the rear

z28rob18

05-25-2010 08:54 AM

whats the worst that'll happen if you disconnect it? reset the clock? better safe

WildBillyT

05-25-2010 08:56 AM

Quote:

Originally Posted by z28rob18 (Post 706033)

whats the worst that'll happen if you disconnect it? reset the clock? better safe

Yup. It's easy enough to disconnect.

LTb1ow

05-25-2010 08:57 AM

Quote:

Originally Posted by z28rob18 (Post 706033)

whats the worst that'll happen if you disconnect it? reset the clock? better safe

PCM relearn. Which sucks on my car. But yea, other than that, simple insurance.

deadtrend1

05-25-2010 07:18 PM

Disconecting the battery is a good thing to do. i use this when welding on my car at work.

http://home.comcast.net/~tstrella/96...e/100_5182.jpg

edpontiac91

05-25-2010 08:35 PM

The instruction sheet from ALSTON Racing recommends that you disconnect the battery (before you weld on the SBF) to prevent a spike from cooking the computer. :nod:

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