HI SHY77
your asking a nissan question to a bunch of TOYOTA ppl. theres not that much to remove just all the old ignition stuff and and temp wireing an the new massage will be sent from your new ECU via you new loom.
There's a member on here with all the skills to help put in your ecu, sort all your wireing needs and if you are not to far from the newcastle area he will come to you. Dont know his on line name but it i can give you his moby and more details via pm.
He is a top dude and only to happy to help members.
Cheers case
Bookmarks