Well, it certainly does seem to be the case that little parts like that fail during the worst times possible. So only drive it on nice, sunny days and it'll never blow again

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Could it be that the dome light coming on with the doors open or something is controlled by #5 but that its general function is controlled by something else?
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"Senior Luna, your sense of humor is still loco... but we love it, anyway." -rickymay ____
"Your sense of humor is still loco...
" -MBeige ____
"Señor Luna, your sense of humor is quite järjetön" -Delibes
1982 300SD -- 211k, Texas car, tranny issues ____ 1979 240D 4-speed 234k -- turbo and tuned IP, third world taxi hot rod
2 Samuel 12:13: "
David said to Nathan, “I have sinned against the Lord.” And Nathan said to David, “The Lord also has put away your sin; you shall not die."