1998 pontiac gran am code help

thanks for all the help guys ..I think I have found the problem...it took me to the body control box unplugged it and still had the short test light was still on unplug the dash cluster and bingo lights out.....now I need to find 1 or send this 1 out to get a rebuild ....wish I could figure out how to test the circuit board in this thing ..its crazy the way it is ..it has about 5 6 wires that run all the gauges lights and all in the dash...called a few salvage yards and they want 80 no return if its no good cause its electric but I can ship it out for 150/200 for a new rebuild ..but thanks again guys for the help