MIG Welding with ECU

turningtim · Sep 5, 2011

Hi All

Is it OK to MIg a TD5 with all the engine electrics, battery, etc still attached? If not what needs to be unpluged (and why?) Just heard a few rumours that it will kill some sensors off but I dont see why that would be.

Dr_evil · Sep 5, 2011

Always unplug batteries, thats it usually

brainboy81 · Sep 6, 2011

i had issues with my bcd after doing some mig welding and it reset to default and i had to reprogram it from scratch with my nano com.

justfishing · Sep 6, 2011

Hello,
I have a TD5 and done quite a bit of welding on mine with everything connnected what you MUST do is have the earth right next and on the bit that you are welding then no trouble, if you earth the chassis and weld on the exhaust well then you will have problems.

Ian

Shifty1962 · Sep 6, 2011

How long does it take to unplug the ECU before welding? Seems a no brainer to me. Why take the chance on frying your ECU?

Fur Trapper · Sep 6, 2011

Shifty1962 said:
How long does it take to unplug the ECU before welding? Seems a no brainer to me. Why take the chance on frying your ECU?

This is the best advice you can get. Shifty knows his stuff and failure to listen to his sound advice will probably cost you big$$$$$$$$$$$$$

But it's your choice weather you listen or not. Stray voltage from a welder will kill your electronics dead

turningtim · Sep 6, 2011

Thanks folks, thats just what I needed to know

MIG Welding with ECU

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