https://www.amazon.com/Network-Tester-Tracker-Stripper-Toolkit/dp/B01LYH112E/
You can use this to figure out which wire is which. That’s a good place to start.
Any idea how this thing is able to tone out active switch cables with a very strong tone? (I’ve witnessed it in person) https://www.amazon.com/Network-Tester-Tracker-Stripper-Toolkit/dp/B01LYH112E/ref=mp_s_a_1_5?crid=3BS5O7FJ4FMIG&keywords=toner+and+probe+book&qid=1657252963&sprefix=toner+and+probe+boo%2Caps%2C75&sr=8-5