When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
JK Electrical, Lighting & Sound SystemsBulletin board forum regarding topics such as stereo head units, CD players, MP3 players, speaker systems, amplifiers, hardmounted GPS devices, computers, headlight upgrades, fog lights, off-road lights, general wiring and anti-theft devices.
Personally I would solder and use waterproof heat shrink tubing (it has a gel inside that forms a watertight seal when heated). They also make a butt connector with the same gel.
The Posi locks look good for a field repair (May get a few for my trail kit) but I still solder and heat shrink my splices. Maybe it's my aviation background but I feel it makes a longer lasting weather proof repair.