Hi All; I hope someone can help me with a strange problem. My 400E will start as normal once and then not again for about 8 hours. I also have a drain on the battery which was never present before, which makes me think I have a short somewhere. Can anyone suggest where the specific wires which control the fuel injection system are as I am getting spark when it won't start. It sounds like it is starving, as it will kick on then die like it's out of gas. Also, I guilt one of those testers, but on my test plug the two that are supposed to be the + and - show no voltage, but at the other side, not the one shown in the photos do have voltage. I know I'm becoming a pain, but I also have one of those DM plugins with a button and a led, can anyone tell me how to check that and where I would find the codes. Thank you and sorry for the length of this. A very grateful Thos43