Alero - Auto Genius Oldsmobile Alero (2004) – fuse box diagram. Posted on 21 July 2017 19 August 2019 by admin. Alero, Oldsmobile electricity Oldsmobile Alero Fuses And Circuit Breaker Problems Fuse box was corroded, replaced worked fine for about 2 months and no is acting up again. Mechanics could find nothing else wrong. It was in the shop 4 times before they fixed the fuse box. Dealership tried to fix something that wasnt the problem and charge $450 more than the cost. See all problems of the 1999 Oldsmobile Alero .