Yeah I was thinking along them same lines maybe the coils shifted and is grounding somewhere. What if you unplug all you're electrics, disconnect you're throttle servo fully and see if it will fire
You just need a 12v to 240 convertor
https://www.bettercarlighting.co.uk/index.php?act=viewProd&productId=71
Anything like this. Weather they good or not who knows.
Another option is to find out the imput voltage and buy a new lead
Copper is most likely the best material for head gaskets it's very soft and maluable. Copper gaskets are also reusable. Put it this way anytime I've changed to a copper head gasket I've never had a leak