Note that the fuses need to be physically removed to verify. Ones this old often fail with stress fractures that are so minute that they LOOK fine when still seated, and may even test so with an ohmmeter. Still, when removed from the socket, they will fall apart.

Steve

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'91 MB 190E 2.3
'08 RAV4 Ltd 3.5
'83 Lazy Daze m'home 5.7