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Water proofing engine compartment electricals

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I've never had issues cleaning all the connectors and filling them up with dielectric grease. Don't forget about all your vacuum hoses and breather hoses. If you're running a snorkel, run your breather lines to the air box and make sure you hose clamp all the ends of the vacuum hoses with hose clamps. You will need to route the breather on the distributor to the air box and make sure there are no leaks (a leak out will let water leak in).


I had my engine bay real close to water tight in the old Cherokee, only issue was the rear main seal and the vacuum block.

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