I started this arv thinking it'd be easy to find, pull out, poke a few solders, and whack back in. much time upside down in the car and searching the net / reading the manual and I still can't find the damn thing...

 

Under the driverside of the dash,left of the steering coloum.Its a little silver box,you cant miss it

 

Do you guys have right-hand drive RX7s in Australia?

 

On Left hand drive models it is located behind the drivers dash speaker.