PAC GM3 instruction manual Compatibility Notes, Harness Selection

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 specific 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 specifications 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.