electrical problem

Hello, this is my first post and my first Jeep. I got a 97 TJ Sport that I recently did a rust restoration on. (Tub pulled and all - great way to introduce myself to jeep life LOL). I had to disconnect all the electrical wiring to pull the tub and I'm finally at the stage of reconnecting...

Engine has been running slightly rough, audible random misfiring (no misfire codes), slight shaking of the vehicle and P0201 was tripped. Inspected the wiring on injector 1 and found exposed wires. Further inspection of other electrical connections (other 5 fuel injectors) look similar with...