Radio Trouble

[GK]

Hi All,

The radio in the S1 Futura wagon isn't working properly.

It's the unit that had a cassette slot, and had the cd controller unit. I installed the Alpine 6 stacker under the seat when we first bought the car in 2003, and it's worked a treat until now.

The orange display isn't working and the unit will not switch from the cd to radio.
The cd works, with the steering wheel controls (from a S2) but the unit won't allow the stacker to change cds. I can scroll through the cd (fwd tracks) and increase and decrease volume, but nothing else.
It's as though there's limited power going through the unit to partially work the cd unit, but nothing else.

I've tried pulling the fuses for the radio, they were fine. I've pulled out the airbag and disconnected and reconnected the steering wheel buttons for the audio.

I changed those today, and the ones I installed were from a S2 ute. Would that have any bearing on what's going on do you think?

Any ideas are appreciated.

Cheers,

GK