GM4 GM SR T-Harness 16-up
Product highlights:
allows installation of a new receiver in select 2016-19 GM trucks
retains the use of your steering wheel audio controls, warning chimes, and Retained Accessory Power (RAP) with any radio
also retains factory backup camera and vehicle settings with iDatalink-ready stereos when used with iDatalink Maestro SR interface module and CAM-SR-GM4 adapter (sold separately)
works with iDatalink's "Head-unit Direct" harnesses, eliminating need for splicing
provides outputs necessary for adding a navigation receiver, including parking brake, reverse light, and VSS