not being rude but if your having to ask, it means this is going to be a huge expensive task and alot more than your probably expecting. it also means it may end up parted out with alot of wasted time and money on your part.
Wiring - find a home your happy with for the ecu and cut and shut nessacary wires to extend the loom make it neat, pick up you + feeds and away you go.
Hoses, depending on how you configure you water system will depend on what hoses you use. between google, and catalogues at repco you should be able to adapt something that works well.
Not meaning to sound rude but nearly all the information is out there, spend alot more time searching this forum, toymods and google and then come ask questions when your balls deep on the finer details. something so broad is extremely hard to answer and I don't think anyone here has the time or patience to sit and write out a step by step guide.