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Crux SWRMZ-64C Wiring Interface

Connect a new car stereo and retain the steering wheel audio controls in select 2002-up Mazda vehicles

Item # 249MZ64C

Crux's SWRMZ-64C interface ensures that you can keep the factory steering wheel controls in select 2002-up Mazda...

Read more from Crutchfield writer, Bob B.

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About the Crux SWRMZ-64C Wiring Interface

Crux's SWRMZ-64C interface ensures that you can keep the factory steering wheel controls in select 2002-up Mazda models when installing a compatible aftermarket radio. Connect this interface to the wires on your new stereo's wiring harness, and you've covered the power, ground, and factory speaker connections for your new stereo.  

You'll only be able to retain your steering wheel audio controls with a compatible car stereo made by Alpine, Blaupunkt, Clarion, Jensen, JVC, Kenwood, Pioneer, or Sony. No other brands are currently compatible.

Keep your factory options

Crux's SWRMZ-64C interface ensures that you can keep the factory steering wheel controls in select 2002-up Mazda models when installing a compatible aftermarket radio. Connect this interface to the wires on your new stereo's wiring harness, and you've covered the power, ground, and factory speaker connections for your new stereo.  

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Product highlights:

  • connect a new stereo in select 2002-up Mazda models
  • retain your steering wheel controls with select car stereos from Alpine, Blaupunkt, Clarion, Jensen, JVC, Kenwood, Pioneer, or Sony
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • MFR # SWRMZ-64C
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What's in the box:

  • Radio replacement interface module (for Mazda)
  • Wiring harness
  • 2 SWC harnesses
  • Installation Instructions

Customer reviews

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Crux SWRMZ-64C Wiring Interface Reviews

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More details on the Crux SWRMZ-64C Wiring Interface

Product Research

Features

Radio Replacement Interface: The CRUX SWRMZ-64C is a radio replacement interface for select 2002-2015 Mazda vehicles. It facilitates the integration of an aftermarket radio to enable retention of factory features when replacing a factory installed radio in select  Mazda vehicles. This interface is also pre-programmed for retention of steering wheel controls.

Compatibility: The CRUX SWRMZ-64C is supported by the following 2002-2015 Mazda vehicles.

Make Model  Year
Mazda CX-5 2013-2014
CX-7 2007-2011
Mazda 2 2011-2012
Mazda 3 2004-2015
Mazda 5 2006-2015
Mazda 6 2003-2014
RX-8 2004-2011
Speed 3 2007-2011
Speed 6 2006-2007
MX-5 Miata 2006-2011
MPV 2002-2006

Compatibility Notes:

  • Does not retain factory information display.

  • Does not support the factory digital Bose audio system.

  • Does not retain A/C control feature (CAN-Bus vehicles).

  • Does not retain rear seat entertainment (RSE).

  • Does not retain clock setting.

Note: Please consult Crutchfield's Outfit My Car to see if your vehicle is compatible and what additional installation accessories will be needed.

Steering Wheel Control Retention: The CRUX SWRMZ-64C will retain the factory steering wheel controls in Mazda vehicles that feature analog steering wheel controls. The SWRMZ-64C is fitted with an SWC output for Pioneer, Sony, Alpine, Clarion, Kenwood, JVC, and Blaupunkt aftermarket head units. The steering wheel control output consists of a right-angle 3.5mm connector and a light blue/yellow wire (use the connection that your aftermarket head unit is fitted with). The SWRMZ-64C interface module will work with any of the listed aftermarket head units, by setting its three dip-switches (see owner's manual for appropriate setting).

Note: Two SWC harnesses are included with this unit. You will only use one of these harnesses based on your type of radio (please refer to the owner's manual). 

Wiring Harness: The included wiring harness features a three multi-pin connectors which plugs into your vehicle's factory radio harness, plus a 12-pin connector which plugs into the SWRMZ-64C interface module. The wiring harness also provides the following bare-wire leads which will need to be hardwired to your aftermarket head unit's wiring harness.

Wire Color Function
Black Chassis Ground
Red +12 Volt Accessory
Yellow +12 Volt Constant
Orange Illumination
Light Blue Factory BT SWC Input
Blue/white Amp Turn-On (Not Used)
White Left Front Speaker +
White/black Left Front Speaker -
Gray Right Front Speaker +
Gray/black Right Front Speaker -
Green Left Rear Speaker +
Green/black Left Rear Speaker -
Purple Right Rear Speaker +
Purple/black Right Rear Speaker -

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Customer Q&A

Q
Crutchfield asked: Why did you buy this?
A
ease of install [ richard  Jan 28, 2019 ]
A
It was offered for install. [ Chris  Sep 16, 2018 ]
A
IDK, You told me I needed this [ Kristine  Sep 07, 2018 ]
A
I wanted to retain my steering wheel controls [ TODD  Aug 20, 2018 ]
A
Steering wheel control [ Hilton  Aug 16, 2018 ]
A
site recommendation [ Carolyn  Nov 25, 2017 ]
A
To enable control of product from steering. [ george  Nov 24, 2017 ]
A
Will retain steering wheel controls for easier access [ Brian  Aug 31, 2017 ]
A
Because it was recommended by Crutchfield. [ Pete  Mar 14, 2017 ]
A
To replace a failing SWC. [ SERGE  Dec 27, 2016 ]
A
To install my Kenwood stereo in my 2006 Mazda 3 [ katherine  Jun 22, 2016 ]
A
Had good reviews over the other option [ D  Jun 01, 2016 ]
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3 questions already asked

Q
Will this adapter allow me to use the console "joystick" controls in my 2014 Mazda 6 in addition to steering wheel controls?
[ Tim  Jun 17, 2017 ]
1 answer
A
You will want to contact an Advisor by phone (1-800-324-9695) or online chat to discuss compatibility with your factory system. They will be able to pull up your vehicle and see if this will integrate. If it does not, then they will also be able to discuss other options with you.
[ Kenny  Jun 20, 2017 ]  Staff
Q
Siri keeps auto-activating, I've determined it is neither the aftermarket deck nor my iPhone. Did anyone else have this problem? The SWC did work, but only Vol +/-, Track +/-, and mode. Phone pick up or end call buttons do not work. Is this how it's supposed to be? Is it maybe the splicing?
[ Tides  Apr 26, 2017 ]
1 answer
A
If you purchased the product from Crutchfield, feel free to contact our Tech Support team. They can walk you through the connections on the product and see if there may be a fix. Our toll-free Tech Support number is printed on your invoice, and is also available under the "My Orders" tab in the "My Account" section of our website. If you did not purchase the unit from Crutchfield, then you may want to contact the manufacturer, or try our online support center: http://crutchfield.custhelp.com/app/answers/list/kw/.
[ Kenny  Apr 26, 2017 ]  Staff
Q
Can anybody tell me where the light blue wire goes? It's coming from the 12 pin connector that plugs into the little black SWC module/box. I'm installing this in a 2015 Mazda 6, using a pioneer 4200 NEX. Thanks for any help!!
[ A  Jun 05, 2016 ]
2 answers
A
Sorry I paid a shop to put mine in ??
[ Nanci  Jun 06, 2016 ]
A
If you purchased the product from Crutchfield, feel free to contact our Tech Support team. They can walk you through the settings on the product and see if there may be a fix. Our toll-free Tech Support number is printed on your invoice, and is also available under the "My Orders" tab in the "My Account" section of our website. If you did not purchase the unit from Crutchfield, then you may want to contact the manufacturer. You can also post your question in our forums: http://community.crutchfield.com. Or try our online support center: http://crutchfield.custhelp.com/app/answers/list/kw/.
[ Krissy  Jun 06, 2016 ]  Staff

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