1b Harness GM3HXM With XM

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 16-pin harness. Unplug the 16-pin harness.

2.Plug the male end of the GM3HXM harness into the 16-pin port on the XM tuner. Next connect the factory male 16-pin into the 16-pin female con- nector on the GM3HXM harness.

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 iPAC-GM3 harness that are not used for installation

4.Connect the 8-pin connector on the iPod docking cable to the iPAC- GM3 interface. (DO NOT CONNECT iPOD AT THIS TIME, WAIT UNTIL INITIALIZATION IS COMPLETE, SEE SECTION 2.2 FOR DETAILS)

5.Plug the male 24-pin connector of the GM3H harness into the iPAC-GM3 interface.

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 T-harness Optional ACC +12V OUTPUT works with RAP ( Retained Accessory Power)

GM3HXM Harness

16 Pin Male Plug

XM TUNER

32 Pin Power

Audio Harness