2.1b Harness GM3HXM: (With XM)
1.Locate factory XM tuner. It is often located behind the glove box. Remove any panels if necessary to access XM tuner’s
2.Plug the male end of the GM3HXM harness into the
3.Optional Connections:
RED: Retains Accessory Power (RAP). Provides 12V(+) accessory power after the vehicle is turned off up to 10 minutes, or until the drivers door is open.
RED/WHITE: Non functional wire; no connection is necessary.
Note: Insulate all wires that are on the
4.Connect the
5.Plug the male
Male Plug | 16 Pin Female Plug |
Factory 16 Pin Harness
Part # GM3HXM
iPod
iPod PLUG & CABLE
iPAC-GM3
RCA
CABLE
OPTIONAL
AUDIO
SOURCE
Red Wire From
GM3HXM Harness
16 Pin Male Plug
XM TUNER
32 Pin Power
Audio Harness