Did you put the factory stereo back in?, or was it left in and you were putting another deck in along with it?
hard to diagnose electrical problems without being there to look at it. start by checking if the deck has constant power, moreover, is the correct power wire connected to the stereos constant power. then start checking each wire to see if it is correct
check here for wire
colour
s http://www.autotoys.com/New_Tech/Wir...ire_colors.htm
unless the harness has been tampered with before. in which case the job becomes more tedious
as for panel lights: same type of trouble shooting inspect wires and bulbs and check relays. make sure the fuses don't keep blowing on you after they are changed.
good luck... I hate electrical problems