I solder, or strip away the insulation, take a point (like a small screw driver) and push through the exposed wire making a hole. I then twist the wire being spliced, push it through the hole, squeeze it with pliers and twist it around the wire where the hole was.. Then use black tape and zip ties to ensure it's a solid connection.What's the best way to splice it? Solder it or get one of those crimp gizmo's?
Like this, pic
Twist tight, wrap with black tape, put a small zip tie around black tape. It will never come apart.