Crux SWRGM-49A User Manual

- Retains factory features in select GM LAN 29 Bit trucks and SUVs while functioning with an

aftermarket radio.

- Pre-programmed to retain factory Steering Wheel Controls.

- iPhone Voice Recognition (VR) feature from SWC on select Kenwood, Pioneer, Alpine and JVC

radios.

- Supports Pick Up/End Call, Pick up and Toggle between 1st and 2

nd

incoming call, AVRCP Track,

Seek.

- Supports Bose, non-Bose and Y-91 audio systems.

- Retains chime functions.

- Provides Factory Rear Seat Entertainment Activation. Requires Cable #CRUX2333A

(sold separately).

- Retains factory back-up camera.

- EIA color coded wiring for easy installation.

1. NOT compatible with Express and Savana vans that are powered by a diesel engine.

2. Supports Rear Entertainment System with special order harness #CJA2333A (sold separately).

3. DOES NOT support ONSTAR.

GM-49A Module

GM-49A Harness

SWC Cables

Antenna Adaptor

CRUX2543

Rev.041917

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GMC

2012-2013 Sierra 1500-3500 Pickup
2012-2014 Yukon

CHEVROLET

2012-2013 Avalanche
2012-2014 Silverado 1500-3500 Pickup
2012-2014 Suburban
2012-2014 Tahoe

SETTING THE AFTERMARKET RADIO BRAND

With the key in the off position, set the DIP switches to the corresponding radio listed below.

3.5MM SWC CABLE

The SWRGM-49A Module allows for both types of connections:

OPTION A is used for ALPINE, CLARION, JVC, and KENWOOD units (Blue/Yellow wire is attached)

OPTION B is used for BOSS, DUAL, FAHRENHEIT, JENSEN, POWER ACOUSTIK, PIONEER, SONY and

SOUND STREAM units.

NOTE: Cap or insulate the 3.5mm plug or Blue/Yellow wire if not being used.

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Rev.041917