CD player

I installed a cd player on a 1994 k series silverado pickup.  The cd player works just fine.  But according to the customer, the parking lights are on all the time now when the key is on, as well as the dash lights.  Apparantly it wasn't like that until the cd player went in?  What could i possibly have done that would have those on.  They go off with the key.  Anyone have any ideas? 

Make sure you didnt connect the dimmer wire to your ignition switched in your wiring harness. They are usually orange, orange with white, and orange with black on a aftermarket adapter. These wire are normally just capped of and not used unless you want the dimmer feature with the aftermarket radio.

oh you know what, i think i did connect that.  It was labeled as dimmer/illumination i believe, it was orange.  Anyways, i thought i had to connect that for the illumination of the cd player, i bet thats whats doing it.  Thanks much.