s14 I got a short and burned most of my chasis harness

so i was diving then i started smelling burnt i hope it was the car next to me and to my bad luck it was me. My car turned off, i open the hood and i see the main harness that that comes out from the fuse box B was burning so i disconnected the battery. So i think what happen is the my passenger side marker maybe got rub by the tired, insulation got stripped and make a short.

I check the harness all around the hood and realize there is a wire that got really hot burnt off its own insutlation plus all other insulation on the cables that run with it.

:questionmark:What should I do. I already check continues current with my multi meter and some cables seems to be shorted. Should i buy a new set of harness, is there a chanse my ecu burn, wat is the actual name on the harness so i can look it up to buy?:questionmark: