The PGHGM2 cannot be used as a stand-alone adapter; it requires the PXAMG (541PXAMG, sold separately) to connect to your factory radio.
PXAMG vehicle specific harness for GM LAN 11 bit vehicles with 14/16 pin plugs. This harness is required and connects the PXAMG to your vehicle.
WORKS WITH SELECT 2006-2013 GENERAL MOTORS VEHICLES

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 4.5 inch
Height : 1.3 inch
Length : 8.8 inch

Item Weight: 0 ounce (View shipping rates and policies)
Shipping Weight: 3.2 ounce (View shipping rates and policies)

ASIN : B0015G5USK