The lighting problem is a known problem and is very cheap to fix. You have to resolder some relay contacts. In the LKM and in the mustard coloured relay.
More on that here:
http://www.evansweb.info/repairs/mustard_relay.html
and:
http://maxf.freeyellow.com/soldering.htm
As for the dash take it out and clean it. This could solve that problem aswell.
:sun: Johan