well im replacing my radio in the jeep, i got the +12v , ground, and R.Front speaker. the problem is, the new radio (SONY CDX GT100) has an illuminatin wire, my old ghetto *** radio, doesnt, all it had was the speakers, positive and negative. the radio is working, (i can insert the cd and eject it) but the speakers, and the illumination display isnt turning on,no music is playing,the only wires there are are speaker wires on the jeep, illumination, antenna, speaker, amp wires on the radio.

 

does the jeep have an illum wire?

 

not that i could see. the wiring harness was this
constant 1v
ground
lf speaker+
lrspeake+
lf-
lr-
rf+
rr+
rf-
ff-