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 potenometer 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 potenometer
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 aermarket radios that have wires for SWC connecons,
cut o the 3.5mm plug on the Crux SWC Cable (opon 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 aermarket 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 tesng)