you should have an ecu loom. An injector loom and probably a gearbox loom.

You may need a couple of plugs from the car loom in the engine bay. Some times the post lambda senor is lumped on to the car loom You will need the obd2 plug from under the dash and the pats aerial / antenna from around the ignition key with the plug and that's about it.

Let's be seing some pictures of the looms

Strip the cover of and your left with