Input Jacks - Rob Robinette Common Input Jack Wiring. This is how many people actually wire the four input jacks. The jacks are oriented so the upper jacks' Tip terminals and lower jacks' Switch (shunt) terminals are touching and they are soldered together. Doing this deletes the jumper between the two jacks. Videos of input jack wiring Click to view on YouTube19:52Wiring Electric Guitar - 1 Pickup 1 Volume 1 Input Jack280K viewsYouTube · 6 years agoClick to view on YouTube6:47How to Replace an Input Jack on an Electric Guitar178K viewsYouTube · 7 years agoClick to view on YouTube7:10How to Change Your Guitar's Output Jack | Fender130K viewsYouTube · 5 years agoSee more videos of input jack wiring How to solder a 1/4" jack. - YouTube Click to view1:12Sep 10, 2014Wiring Electric Guitar - 1 Pickup 1 Volume 1 Input Jack DIY Guitar Amplifier Input Jack Repair - How to Fix a 1\4" Jack Thats Cutting Out on Guitar Amp - Duration: 6:47. MarkAuthor: Dr. PinetreeViews: 45K How to Wire a Guitar Jack | Our Pastimes Cut the wires connecting the jack to the controls. Cut two lengths of new guitar circuit wire, one approximately 6 inches long, which will serve as a ground wire, and the other long enough to reach from the output jack to the pickup selector switch, if the guitar has one. This is the hot wire.