View Full Version : Welding question
When it comes to might welding our beloved cars is disconnecting the negative from the battery and unplug the ecu lead from it enough protection. Or should a surge protector b used there seems to b a lot of different opinion about the subject. Mines a gsi so more worried about the ecu cheers folks
most people disconnect the battery and ecu as a precaution. it only takes seconds on a gsi
Cheers mogli do u mean both battery leads or just negative ?
ive always disconnected the battery and the alternator never worried about any ecu's. the alternator, or the rectifier in the alternator, can be sensitive to surges from welding
disconnecting negative earth terminal is enough.
no need to bollocks about with ecu as theres not a complete circuit for it to travel to.
Cheer guys different opinions all round when my mate welded it he used a surge protector an nothing else
The serge protector will be enough as thats what they are made for. If you dont have one, neg lead off the battrey is fine.
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