Owner's Manual

Crux Interfacing Solutions • Chatsworth, CA 91311
phone: (818) 609-9299 • fax: (818) 996-8188 • www.cruxinterfacing.com
CS-GM43
Radio Replacement Interface with Steering Wheel Control
Retention for GM Vehicles 2019 - Up
2 of 3
OEM CAMERA RETENTION:
The CS-GM43 has a potenometer to adjust the chime vol-
ume. It is set at half way by default. To adjust the volume,
simply use a suitable screw driver and turn the potenometer
clockwise to increase the volume and counter-clockwise to
decrease the volume.
Chime
Volume
Adjustment
CHIME VOLUME ADJUSTMENT:
DIP SWITCH SETTINGS:
AFTERMARKET RADIO DIP SWITCH SETTINGS:
NOTE: Cap or Insulate the 3.5mm plug and Blue/Yellow wire if not being used.
3.5MM SWC CABLE
Plug in the 3.5MM to 4-Pin SWC cable to the SWC module.
For aermarket radios that have wires for SWC connecons,
cut o the 3.5mm plug on the Crux SWC Cable (opon B)
and connect the SWC wires as follows:
Note that there are some radios that only have SWC1 and SWC2, in this case “shield” does not need to be connected.
rev.03252022
The CS-GM43 is prewired with an RCA connector to retain the OEM camera on vehicles with a IOR system.
1. Connect Yellow video RCA to the new aermarket radio reverse camera input.
2. Test the video feed before installing the radio back into the dashboard. (Radio may need to be set prior to tesng)