had to changs the hazzard switch, now the dash lights/gages and tail lights wont on 2003 Oldsmobile Alero

work. all the fuses door panel and under hood have been checked.

Asked by for the 2003 Oldsmobile Alero
Bet there is a blown fuse!! Test each one with a test light on each side of EVERY fuse you can find. Fixed a bunch of elect. problems that way.
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Do the hazard lights work?