Rain Cap

I replaced the cap and rotor,distributor, and everytime it rains the next day it wont start?

the motor is an lt1 so everything is in the front of the car
Its a 95 Chevy caprice
I also replaced plugs and wires
rose i just did what you said and i didnt see any spark.
I just let it sit when it rains and the next morning it cranks it just wont start

I agree with the other responses, if the motor turns over but does not start after a rain.

The distributor cap must not have any cracks and be tightly seated against the distributor. The plug wire ends must provide a water-proof seal at the distributor cap and at the spark plugs..

In the dark of night, open your hood and ask someone to turnover your engine. If you see any sparks around the plug wires or the top of the distributor cap, then you will need to replace the parts that are allowing the spark(s) to escape.

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