SWR-A - Car control interface CRUX - Free user manual and instructions

Product Type	Vehicle Interface Module
Brand	CRUX
Model	SWR-A
Dimensions	1.5 x 2.5 x 0.8 inches
Weight	0.2 lbs
Power Input	12V DC
Current Draw	< 500 mA
Operating Temperature	-20°C to 60°C
Connection Type	Plug-and-play harness
Primary Function	Signal conversion for aftermarket radios
Compatibility	Select vehicles (see manual)
Installation	Professional installation recommended
Maintenance	Keep dry and dust-free
Safety	Disconnect battery before installation
Spare Parts	Not available separately
Repair	Non-user serviceable
Warranty	1 year limited
Certification	CE, RoHS
Manual Language	English
Package Contents	Module, wiring harness, manual

Frequently Asked Questions - SWR-A CRUX

What does the CRUX SWR-A do?

The CRUX SWR-A is a vehicle interface module that allows seamless integration of aftermarket radios with the factory wiring and features of select vehicles.

Is the SWR-A compatible with my car?

Compatibility varies by make, model, and year. Please refer to the compatibility chart in the manual or contact CRUX support with your vehicle details.

How do I install the SWR-A module?

Disconnect the vehicle battery, connect the module's harness to your vehicle's wiring and your aftermarket radio following the included diagram. Professional installation is recommended.

Do I need to program the SWR-A?

Most installations are plug-and-play. Some vehicles may require menu settings on the aftermarket radio. Refer to the manual for specific programming steps.

Why is my aftermarket radio not turning on after installation?

Check all connections, ensure the module is receiving 12V power and ground. Confirm the vehicle battery is reconnected. If issues persist, test with a multimeter.

Does the SWR-A retain steering wheel controls?

Yes, if your vehicle is equipped with steering wheel audio controls, the SWR-A interfaces with most aftermarket radios to retain that functionality.

What do the LED indicators on the module mean?

A solid green LED indicates normal operation. Flashing red indicates a fault or miswiring. Refer to the manual for detailed LED diagnostics.

Can I use the SWR-A with an amplified factory system?

Yes, but you may need additional adapters for the amplifier turn-on signal. Check the manual for amplifier integration notes.

How do I update the firmware on the SWR-A?

This module does not support user firmware updates. If a newer version is required, contact CRUX for a replacement unit.

Where can I download the manual for the SWR-A?

The manual is available for free download from notice-facile.com. Enter your model number and select PDF.

USER MANUAL SWR-A CRUX

• Retains Steering Wheel Controls via built-in, pre-programmed interface.
• Retains VR Command (Voice Recognition) function on select OEM steering wheel controls to activate CarPlay and Android Auto compatible devices.
• Also works on the new generation Sony Radio with CarPlay function.

PARTS INCLUDED:

Coiled electrical connector with black, red, and brown wires (no visible text or symbols)

SWR-A Module SWR-A Harness SWC Cable

VEHICLE APPLICATIONS:

1991-2006	BMW	2003-2013	Honda	2005-2012	Nissan
2003-2012	Ford	2006-2014	Kia	2007-2015	Subaru
2006-2018	Hyundai	2003-2015	Mazda	2003-2018	Toyota

SUPPORTED RADIOS:

Alpine	Dual	JVC	Power Acoustik
Boss	Fahrenheit	Kenwood	Sony
Clarion	Jensen	Pioneer	Soundstream

and Most off brand Radios

INSTALLATION DIAGRAM:

LED TROUBLESHOOTING ON MODULE

LED LIGHT	LED MODULE FEEDBACK
BLUE LED OFF	NO POWER	CHECK VOLTAGE
RED LED FLASHES	WHEN PRESSING SWC BUTTONS

AFTERMARKET RADIO DIP SWITCH SETTINGS:

Radio Brand	DIP Switch
	1 2 3 4
Alpine	OFF	OFF	OFF	OFF
Boss	OFF	OFF	ON	ON
Clarion	OFF	ON	ON	OFF
Dual	OFF	OFF	ON	ON
Fahrenheit	OFF	OFF	ON	ON
Jensen	OFF	OFF	ON	ON
JVC	OFF	ON	OFF	ON
Kenwood	OFF	ON	ON	ON
New Sony	OFF	OFF	ON	OFF
Old Sony	OFF	ON	OFF	OFF
Pioneer	OFF	OFF	ON	ON
Power Acoustik	OFF	OFF	ON	ON
Soundstream	OFF	OFF	ON	ON
Most off brand radios	OFF	OFF	ON	ON

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.

VEHICLE WIRING CONNECTIONS AND DIP SWITCH SETTINGS:

For vehicle specific wiring diagram and connections, please visit: www.crxinterfacing.com/wiring or click on the QR code.