are these any good to splice wires in our cars? http://www.homedepot.com/p/DryConn-S...1?N=5yc1vZbm6y

 

murrettes are for use in a house where you have tons of space and everything is hidden in junction boxes and stationary. For a car what you want is a soldering/shrinking/sealing BUTT splice (vs. twist-on). Strip wires, insert, heat, and it is soldered and sealed in one step.



https://www.hyundaiaftermarket.org/f...ost__p__694915