right there is a very simple way to wire these in . its not the best way but the engine runs perfect.

Red wire , live
black wire live
black /green wire is this the fat one ifso also live.
brown , earth
now i cant rememeber off hand but i have it written in a book at work , but the other are simple rev counter , oil pressure , and fuel pump.

I know this way works as done many times before i never run the fuel pump from that plug i just run a live from the fusebox to the fuel pump.

I'll double check at work tommorow and update .

Hope this helps