Hey, i need to do a bit of welding on my exhaust, but before i go at this i want to make sure i dont need to unhook anything other then the battery and the computer. Ive been told that i should disconnect the alt. but am not sure if that is true. thanks. ohh and dont suggest to just take it off the car, i just have a crack on the flange that attaches to the cat, and i want to fix it before anything decids to break.

Thank you mobil one for rust proofing my driveway.

As far as I know you should be fine with just the battery Unhooked. The electricity cant flow anywhere if it has a break in the circuit.

95 Eclipse GS: 10.5:1, Crower 2's and MSII
186 WHP - 150 WTQ
14.697 @ 93.85 MPH......Gone, but not forgotten
99 420A Avenger: Given to my sister
99 GS OZ: Sold
03 Evo 8: Family Car with balls

lol, i've never heard of this. Muffler shops weld all the time w/out disconnecting anything. I've welded lots of times w/out disconnecting anything

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Outside of Corona: "That sucks, peace out..." (jamie walks away)... "Sweeet, what we doin?" -Zac
Tim's garage (prior to motor install): "Im gonna smoke real quick, that way if you fuck up I am already nicotined up" -Tim

There is a chance something can happen though. Ive seen it backfeed thru grounds and do some damage. Either blowing fuses or burning wires. Its not common though.

95 Eclipse GS: 10.5:1, Crower 2's and MSII
186 WHP - 150 WTQ
14.697 @ 93.85 MPH......Gone, but not forgotten
99 420A Avenger: Given to my sister
99 GS OZ: Sold
03 Evo 8: Family Car with balls

I have seen the grounds in harnesses before fireballs. Muffler shops are just getting lucks becuase usually they is a poor path to the harness through the motor and rlats gaskets ect. You def want to unhook the battery.

I actually had the harness on my harley start smoking when i was tacking nuts to the frame years ago. Thats when the boy shop (we rented space to) explained the ground path becoming a common path to the battery.

ECU should be fine but its easy to unplug....do it anyway

Terry

alright thanks. Last time i welded on my old talon, i forgot to take out the battery, and fried the computer, so i wanted to make sure.

Thank you mobil one for rust proofing my driveway.