Crux SWRSU-38C User manual

SWRSU-38C
Brand
Crux
Model
SWRSU-38C
Category
Motorcycle Accessories
Type
User manual

Crux SWRSU-38C is a radio replacement interface designed for select non-amplified Subaru vehicles from 2015 onwards. It retains factory features such as steering wheel controls, StarLink functionality, and the auxiliary input, while allowing for the installation of an aftermarket radio. The included antenna adapter ensures compatibility with the vehicle's antenna system.

Crux SWRSU-38C is a radio replacement interface designed for select non-amplified Subaru vehicles from 2015 onwards. It retains factory features such as steering wheel controls, StarLink functionality, and the auxiliary input, while allowing for the installation of an aftermarket radio. The included antenna adapter ensures compatibility with the vehicle's antenna system.

Crux Interfacing Solutions • Chatsworth, CA 91311
phone: (818) 609-9299 • fax: (818) 996-8188 • www.cruxinterfacing.com
rev.052821
SWRSU-38C
Radio Replacement with Steering Wheel Control Retention for
Select Non-Amplied Subaru Vehicles 2015 - Up
1 of 2
RADIO REPLACEMENT
SWC RETENTION
+
R
INTERFACING SOLUTIONS
- Retains select factory features in select Subaru vehicles while funconing with an aermarket radio.
- Pre-programmed to retain factory Steering Wheel Controls.
- Retains StarLink funconality.
- Retains factory Auxiliary Input.
- Retains factory backup camera (see note on diagram below).
- Includes antenna adapter.
PRODUCT FEATURES:
PARTS INCLUDED:
SWRSU-38C Module SU-38C Harness Antenna Adapter SWC Cable
INSTALLATION DIAGRAM:
AFTERMARKET
RADIO
4-Pin
Connector
Cap or insulate if
not being used
Kenwood/JVC (BLUE / YELLOW)
Insulate with tape
if not being used
3.5MM SWC CABLE
Plug in the 3.5MM SWC cable to the 4-pin port
on the module. See “DIP SWITCH SETTINGS” section.
ON RADIO VEHICLE
1 2 3 4 5 6 7 8
+12V Constant Yellow
+12V ACC Red
Ground Black

Antenna Turn on Blue









TO FACTORY
HARNESS
12-Pin Black
Connector
Ground
AFTERMARKET
RADIO SELECTOR
(See Page 2)
SUBARU
SWC SETTING
(See Page 2)
ON RADIO VEHICLE
1 2 3 4 5 6 7 8
Rear View Camera Signal Yellow RCA
(Retain OE Camera)
Audio Input Red/White RCA
(Retains Factory AUX Input)
28 PIN
10 PIN
6 PIN
5 PIN


5 -Pin OEM
Camera
Connector*
*NOTE: If the factory radio does not
have a 5 pin camera connector, plug
these connectors together to retain
the factory backup camera.
Connector A
Crux Interfacing Solutions • Chatsworth, CA 91311
phone: (818) 609-9299 • fax: (818) 996-8188 • www.cruxinterfacing.com
rev.052821
SWRSU-38C
Radio Replacement with Steering Wheel Control Retention for
Select Non-Amplied Subaru Vehicles 2015 - Up
2 of 2
RADIO REPLACEMENT
SWC RETENTION
+
R
INTERFACING SOLUTIONS
DIP SWITCH SETTINGS:
SUBARU STEERING WHEEL CONTROL DIP SWITCH SETTING:
AFTERMARKET RADIO DIP SWITCH SETTINGS:
NOTE: Insulate the Blue/Yellow wire or 3.5mm plug if not being used.
RADIO BRAND: DIP: 1 2 3 4
Atoto, Dual, Farenheit, Jensen, Pioneer
Power Acoustik, Soundstream
Blaupunkt, Most o-brand Radios
Alpine
Clarion
Kenwood
JVC
Boss, Old Sony
New Sony
OFF OFF ON ON
OFF OFF ON ON
OFF OFF ON ON
OFF OFF OFF OFF
OFF ON ON OFF
OFF ON ON ON
OFF ON OFF ON
OFF ON OFF OFF
OFF OFF ON OFF
SWC MODULE
ON RADIO VEHICLE
1 2 3 4 5 6 7 8
NOTE: For Atoto, Blaupunkt, Dual, Farenheit, Power Acoustik, Soundstream, and most o-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 and the 3.5mm plug to the aermarket radio SWC port.
VEHICLE APPLICATIONS:
SUBARU
2017 - 2020
2015
2016 - 2020
2015 - 2020
BRZ
XV Crosstrek
Crosstrek
Forester
2016 - 2020
2015 - 2020
2016 - 2020
Impreza
Outback
WRX
DIP: 5 6 7 8
#1
#2
ON OFF OFF ON
OFF ON OFF ON
SWC MODULE
ON RADIO VEHICLE
1 2 3 4 5 6 7 8
Subaru
RED to SWC Key 1
WHITE to SWC Key 2
SHIELD to SWC Ground
For aermarket radios that have wires for SWC connecons, cut o the 3.5mm plug on the Crux SWC Cable 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.
NOTE:
For non-amplied systems only.
STARLINK RETENTION:
To retain Starlink, separate the Starlink module from the radio and reconnect
the harness and antenna connectors to the module. Stu the Starlink module
back into the dash and secure it with zip es or tape to prevent it from raling.
NOTE: The front speaker audio will be lost if the StarLink module is removed
from the system.
There are 2 possible DIP switch sengs for the Subaru SWC as follows. Try the one that matches your vehicle.
  • Page 1 1
  • Page 2 2

Crux SWRSU-38C User manual

SWRSU-38C
Brand
Crux
Model
SWRSU-38C
Category
Motorcycle Accessories
Type
User manual

Crux SWRSU-38C is a radio replacement interface designed for select non-amplified Subaru vehicles from 2015 onwards. It retains factory features such as steering wheel controls, StarLink functionality, and the auxiliary input, while allowing for the installation of an aftermarket radio. The included antenna adapter ensures compatibility with the vehicle's antenna system.

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