Here are the links to the products that I used. I also have a second video about wiring the Balckvue dashcam. I didn't like tapping into the wires with that splice so I ended up wiring an OBD2 plug to a cigarette adapter @HankLloydRight suggested.
Cable Conduit - Amazon.com: Wiremold C110 1-channel CordMate Kit, White: Home Improvement
3M Automotive Tape (black) - Amazon.com: 3M 06384 Acrylic Plus Double Sided Attachment Tape 1/2" x 5yds: Industrial & Scientific
Rustoleum Charcoal Spray Paint - Amazon.com: Rust-Oleum 302590 Chalked Spray Paint, 12 oz, Charcoal/Gray: Home Improvement
Cigarette Lighter Plug - Amazon.com: Roadpro 12V Battery Clip-On and Cigarette Lighter Adapter: Automotive
OBD2 Memory Saver (so you don’t have to hardwire) - Amazon.com: SOLAR ESA30 OBD II Memory Saver Connector: Automotive
Trim Tools - Amazon.com: Tresalto Auto Trim Removal Tool for Car Dash Radio Audio Installer Pry Tool 4Pcs: Automotive
This is very, very helpful! Thank you so much.