CRUX CS-GM31L Radio Replacement Interface Module Instruction Manual
- June 4, 2024
- CRUX
Table of Contents
CRUX CS-GM31L Radio Replacement Interface Module
PRODUCT FEATURES
- Retains factory features in select GM LAN V2 (LIN) Bus vehicles while functioning with an aftermarket radio.
- Retains chime functions.
- Retains factory Steering Wheel Controls.
- Provides Factory Rear Seat Entertainment activation. Requires part#CRUX2333A (sold separately)
- Retains factory backup camera.
- Retains RAP (Retained Accessory Power).
PARTS INCLUDED
INSTALLATION DIAGRAM
INSTALLATION INSTRUCTIONS
1. Connect the aftermarket radio’s power/speaker harness to the
CS-GM31L T-Harness using the Installation Diagram on page 1. Use good quality crimp caps or butt splice for a secure connection. Solder and heat shrinking the connections is highly recommended ****
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| 2. Carefully remove the radio trim with a plastic pry tool and pull
outward.| 3. Remove the radio bezel by removing the 4 screws on the corners.
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4. Unplug the GREEN and GRAY connectors from the headunit.| 5. Plug the
GREEN and GRAY connectors to the CS-GM31L T-Harness.| 6. Plug in the antenna
adapter (sold separately) between the factory antenna connector and the
aftermarket radio antenna port.
7. Remove plastic trim under the steering wheel column and locate a
GREEN/BLACK wire in the bundle. Tap the GREEN/BLACK from the SWC Cable. We
recommend soldering the wires together for a reliable connection.| |
8. Use a dash kit (not included) for a clean install. Test the radio for
functionality. Test the chime and Retained Accessory Power (RAP) functions.
Reverse the process to install the new aftermarket radio.
DIP SWITCH SETTINGS
AFTERMARKET RADIO DIP SWITCH SETTINGS
NOTE: For Blaupunkt, Dual, Farenheit, Power Acoustik, Soundstream, and most off-brand radios, check the aftermarket radio’s manual to see if the SWC buttons need to be programmed.
3.5MM SWC CABLE
Plug in the 3.5MM to 4-Pin SWC cable to the SWC module.
NOTE: Insulate the Blue/Yellow and Green wires if not being used.
VEHICLE APPLICATIONS
BUICK
2015-2016 ENCORE
2017 ENVISION
2016 LACROSSE
2014-2015 REGAL
CADILLAC
2015-2016 ATS
2014-2015 CTS
2015 ESCALADE
2015-2016 SRX
2017 XT5
| CHEVROLET
2016-2018 CAMARO (with 8” Screen (IO5/IO6)
2015-2016 COLORADO
2016 CRUZE
2014-2016 IMPALA
2016 MALIBU
2018 MALIBU (with 8” Screen (IO5/IO6)
2014-2017 SILVERADO
2018 SILVERADO (with 8” Screen (IO5/IO6)
2015-2017 SILVERADO HD
2016 SONIC
2015, 2018 SPARK
2015-2018 SUBURBAN
2015-2018 TAHOE
| GMC
2017 ACADIA (with 8” Screen (IO5/IO6)
2015-2016 CANYON
2014-2016 SIERRA
2017-2018 SIERRA (with 8” Screen (IO5/IO6)
2015-2017 SIERRA HD
2015-2018 YUKON
2015-2017 YUKON XL
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NOTE:
Does not retain Bose amplifier.
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