GMC REVERSE LIGHT WIRING

On My 2008 Acadia, I Have A Factory Installed Trailer Tow Package And Hitch. The Center Pin On The 7 Wire Plug Is Supposed To Be For The...

The Back Up Light Wire Is Not Contained In The Tail Light Assembly. Its Only In The Tailgate. I Have A Sonar Step That Needs The Back-up...

I Have A 92 Gmc Vandura With 205,840 Miles (vin#2gdgg31k6n4506417) That Has No Backup Lights. I've Checked The Harness Going To The Lights...

Is There A Wire Code Or Color In The Rear Jack Compartment To Tie In A 2.4 Ghz Camera To The Reverse Lights. I Need To Tie Into The 12v...