Liquid tape for pickup wire repair

One of my pickup's wires is pretty short, I've had to splice in wire. After soldering the wires together I've usually wrapped the splice solder point with electrical tape. I also got some of this

Liquid Insulating Tape Repair Rubber Electrical Wire Cable Coat Fix Line Gldx – ASA College: Florida

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LIQUID ELECTRICAL TAPE - guitar pedal cable repair adventure

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Liquid Insulating Tape Repair Rubber Electrical Wire Cable Coat Fix Line Glue

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Liquid tape for pickup wire repair

MADHYA Liquid Insulation Tape Glue, Liquid Electrical Sealing Tape Waterproof Data Cable Repair Paste (50 ml)

Should I use liquid electrical tape, heat shrink tube, or a new connector to fix these exposed wires? : r/MechanicAdvice