this is a diagram, and parts website from a texas, USA website. their parts are expensive, but it gives you an idea.
http://www.courtesyparts.com/betasite/path..._5611_5619.html
you also need the turn signal with cruise incorporated in it (link below), and you would need the on/off switch that mounts on the dash under the gauge cluster, and its harness (if not already tucked under the dash somewhere).
http://www.courtesyparts.com/Merchant2/mer...ode=25540-D21CC
http://www.courtesyparts.com/betasite/path..._5611_5616.html
I dont know the differences between US pathys and Aus. pathys, so i cant say what exactly your pathy has or needs. Are the AUS. Pathys left hand driven or right hand?
GarrettQ