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.

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2 answers
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.
Do the hazard lights work?