hey guys im doing my first 20v swap into my sr5 but im totally lost here the engine is together and ready to drop in but i need help on how to hook up the wiring from the engine to my sr5,i need help with this spaghetti haha please i need help bad

To ask such a vague question makes me think you may be in way over your head. You might consider paying someone like MR220V to build you one.
If you want to do it yourself and have the skills you really only need the BGB and wiring diagrams for the car and the motor. That will cover the vast majority and then you can come back here if you have specific questions.