2002 volvo c70 radio install help need

[lavellp7]

hello im removing the sc901 to install aftermarket radio,im looking for the correct power hook up.

i think its

green/brown = batt 12v
yellow = acc switched 12v
black/white ant or turn on amp
????? what color for the dimmer

?????? what the dimmm control
and last thing i see two antenna cable main and sub .....what i do with the sub antenna


thankz for any info