How to solder a 1/4" jack. - YouTube Click to view1:12Mix - How to solder a 1/4" jack. YouTube; How to Solder Mono Guitar 1/4'' Female Jack - For repair and prototyping - Duration: 5:57. WaveShapePlay 6,741 views.Author: Dr. PinetreeViews: 44K Diagram for 1/4" mono jack? | Harmony Central Anyone know where I can find an online wiring diagram for a 1/4" mono jack? For that? Tip is plus,sleeve is negative.