connector

Hello, I was wondering what the connector does in the picture I have linked. I'm trying to install a rear view camera and was wondering if I could splice the power wires into this connector. https://imgur.com/a/2Q1ln Thanks in advance!

the obd2 port not working with chevy 06 4.2 :hissy:... the fuse (cig or ltr) working good i already tried two diff obd2 bluetooth connector but and they give me this note "Can't Connect to ECU ":weird: and already try to connect directly with protocol "SAE JI 1850 VPW" but no luck at all:nono...