Some screws under/behind ashtray.
Gently hinge the console up and disconnect switches.
Unscrew radio.
Put brackets on new radio.
Use either loom adapter or splice your own.
You 'can' assume earth via aerial, otherwise use chassis.
Refit is reversal of above!
Tip: Alternator whine (maybe radio/Auto specific):
- Earth correctly using wire to chassis.
- Insulate chassis from radio cage.
- Insulate fitting screws from chassis. (I used transistor bolt collars, but tape should work)
- *Gone!*