HELPPPPPPP

having troubles with my 2wd saff!
rebuilt the engine after bottem end decided to give up the go!
refitted engine.
started up first time but ran on 3 cylinders!
missfire on number 2
checked all leads checked plugs
checked coil checked dizzy checked loom!
replaced injectors!
still the same had loom checked by a sparky he found loads wrong with it injector wires twisted together ect!

sooooo had the loom repaired now no go whats so ever!
got fuel up
got no spark now?
buzzed loom threw from ecu plug all ok all has continuity
now what? any ideas the alarm has been playing up and it has a crappy clifford alarm + imobilizer and the relays on the imobilizer are cliicking n making some strange noises with ignition swiched off? ive got a huets guy coming round to have a look thursday would realli like some help becoz ford fair is not far away and i want my cossie bak! ha!
if uve taken the time to read this thanks very much for ure help n comments!