Stop in for a cup of coffee

Wanna add a digital speedo, they make little hud ones that sit on the dash and project onto the windshield and are cheap... and a dash cam prolly cause morons.. don't want to cut my wiring harness for power though :( **** is only stock once, hate to start hacking it :(
Run a separate harness. Factory wiring isn’t designed for modern tech. That’s why fires happen