Dept. of Over-Engineering Dept.
You can even use the cobbled together, but thoroughly effective, method od enclosing the automotive connection in a plastic bag, taping it shut with good 'ol Scotch 88 electrical tape (good for under water) and then go totally over the top by coating the seal with Liquid Electrical tape. And you will still be able to tear open the bag for service or inspection with ease. This advanced, and highly sophisticated, method of joining your wires together is only recommended for the trained professional able to conceal his handi-work in the bilge. And tenuki, you qualify. After all, you're an AFOC-stand up straight, stick your chest out, man.
“Scientists are people who build the Brooklyn Bridge and then buy it.”
Wm. F. Buckley, Jr.