It certainly was a good idea to label all the connectors on the wiring harness. Many people start projects by cutting all the wires and labeling nothing and then they'll have huge problems getting everything back together up to the point where they have to give up the whole project 😅😅
I'm gonna tell your mom that you're using one of her good sheets to cover your engine. 😄 Actually, I have a closet full of those kind of sheets that my grandma left me.