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Crux Interfacing Solutions • 21541 Nordhoff St., Unit C, Chatsworth, C

A

  91311

phone: (818) 609-9299 • fax: (818) 996-8188 • www.cruxinterfacing.com

rev.071720

SOCGM-18L

Radio Replacement Interface for

GM LAN v2 (LIN) Bus Vehicles 

2 of 2

RADIO REPLACEMENT

SWC RETENTION

+

R

INTERFACING SOLUTIONS

INSTALLATION INSTRUCTIONS:

1. Connect the aftermarket radio’s 

power/speaker harness to the SOCGM-

18L  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.

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.

4. Unplug the GREEN and GRAY 

connectors from the headunit.

5. Plug the GREEN and GRAY connectors to the 

SOCGM-18L T-Harness.

6. Use the supplied antenna adapter to plug 

between the OE antenna connector and 

aftermarket radio antenna port.

7. 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.

VEHICLE APPLICATIONS:

BUICK

2017

2016

2014 - 2015

CADILLAC

2015 - 2016

2014 - 2015

2015

2015 - 2016

2017

Envision

LaCrosse

Regal

ATS

CTS

Escalade

SRX

ET5

CHEVROLET

2018

2015 - 2016

2017 - 2018

2016

2014 - 2016

2017 - 2019

2016 – 2018

2014 – 2016

2017 - 2018

2015 – 2019

2015 – 2019

Camaro 

(w/ 8” iO5/iO6)

Colorado

Colorado 

(w/ 8” iO5/iO6)

Cruze

Impala 

(w/ 8” iO5/iO6)

Impala 

(w/ 8” iO5/iO6)

Malibu 

(w/ 8” iO5/iO6) 

Silverado

Silverado 

(w/ 8” iO5/iO6)

Suburban

Tahoe

GMC

2017

2015 – 2016

2014 – 2016

2017 - 2018

2015 - 2016

2017 - 2019

2015 - 2019

Acadia 

(w/ 8” iO5/iO6)

Canyon

Sierra 

Sierra 

w/ 8” iO5/iO6)

Sierra HD

Sierra HD 

w/ 8” iO5/iO6)

Yukon / XL

Reviews: