How The Jeep JL Was Made Waterproof and Water-Resistant

The Jeep JL Wrangler was engineered to be both waterproof and water-resistant. A line was struck right down the vehicle (at the JL’s 30 inch water fording depth limit) above which all components had to be water-resistant and below which everything had to be waterproof (capable of being completely submerged).

This article gives us some cool insight into how engineers managed to achieve that.