Why does your 1999 Oldsmobile Alero stall the day after it rains?

If it runs well when dry it's probably bad ignition wires, coil(s) or module. Ist choice would be the wires. Easiest way to test is to get a squirt bottle filled with water, open the hood at night and spray down the wires & ignition parts with water. Then look for arcing and this will tell yo...

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