5
ProPEr MountInG locatIon
Securely install the interface in a location free from; heat, humidity, mov-
ing parts, sharp metal edges and direct sunlight. We recommend secur-
ing the interface to a suitable location using; double sided tape, Velcro,
or wire ties.
1.3 Compatibility Notes
This section will inform you of the specic requirements for your factory
radio to be compatible with the iPAC-GM3. These notes will inform you of
any issues or circumstances that can affect the compatibility of our product
with your radio, audio system, or accessories. Not all Factory radios are
compatible with the iPAC-GM3. The iPAC-GM3 will only work on models
equipped with the specications listed below. Please read and understand
these notes before proceeding:

Radio Requirements

Non navigation radios must have a
“CAT” button. Works with all XM ready
navigation radios.
1.4 Harness Selection
The harness used is determined by whether or not your vehicle has an
OEM Satellite Radio tuner installed. If you have satellite radio installed,
use the GM3HXM harness. If no satellite radio is installed, use the
GM3H harness. Visit the PAC’s web site at www.pac-audio.com/default.
asp for more information.

Pac Pac

Pac