Amazon.com: 【2 Pack】 OBD Power Cable, Mini USB Port OBD2 Power Cable for Dash Camera 24 Hours Surveillance/Acc Mode with Switch Button, 16Pin OBDII Adapter Hardwire Charger Cable 12-26V to 5V :
OBD Plug (16-pin) to DE-9 (DB-9) Socket Adapter Cable [1 meter long] : ID 4841 : $5.95 : Adafruit Industries, Unique & fun DIY electronics and kits