Thread: Adventures in Trailer Wiring
View Single Post
rockfan4 rockfan4 is online now
Registered
 
Join Date: Mar 2004
Location: La Crosse, WI
Posts: 1,431
General internet consensus is it's for backup sensors.
Connects to this -
https://www.amazon.com/Genuine-GM-22899761-Object-Harness/dp/B00GUBLAIO
Last edited by rockfan4; 09-08-2019 at 04:50 PM..
Old 09-08-2019, 04:48 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #6 (permalink)