Owner's Manual
Crux Interfacing Solutions • Chatsworth, CA 91311
phone: (818) 609-9299 • fax: (818) 996-8188 • www.cruxinterfacing.com
rev.092120
SWRMZ-64C
Radio Replacement with Steering Wheel Control Retention
for Select MAZDA Vehicles
2 of 3
RADIO REPLACEMENT
SWC RETENTION
+
R
INTERFACING SOLUTIONS
FACTORY SWC PHONE BUTTON RETENTION:
Some Mazda models have the factory SWC phone buon wire located at the Bluetooth unit harness
while others are on the radio connector. Please see diagram below for a list of vehicles that have the
SWC phone buon wire at the Bluetooth unit harness. You will need to tap the BLUE “SWC BT INPUT”
wire on the SWRMZ-64C harness to the wire specied on the diagram. Leave the BT Unit connector
unplugged aer tapping the BLUE “SWC BT INPUT” wire.
NOTE: The OEM bluetooth unit is located behind the glove box.
For vehicles with phone buons on the SWC but are not listed on the diagram, connect the BLUE wire
labeled “SWC BT INPUT” to the wire labeled “SWC Phone”, on the SWRMZ-64C harness. See page 3.
AFTERMARKET
RADIO
+12V Constant Yellow
+12V ACC Red
Ground Black
Illumination Orange
Amp Turn On
Blue/ White
Right Front (+) Gray
Right Front (-) Gray/Black
Left Front (+) White
Left Front (-) White/Black
Right Rear (+) Violet
Right Rear (-) Violet/Black
Left Rear (+) Green
Left Rear (-) Green/Black
TO FACTORY
HARNESS
12-Pin Black
Connector
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
AFTERMARKET
RADIO SELECTOR
(See Chart)
MAZDA
SWC SETTING
(OFF ON ON ON)
ON RADIO VEHICLE
1 2 3 4 5 6 7 8
OEM Bluetooth UNIT
(see page 2 for location)
Vehicle SWC
Phone Button
(WHITE/RED wire)
For 2009-2013 Mazda 6:
Tap the BLUE wire from SWRMZ-64C harness
to the WHITE/RED wire on the factory Bluetooth
unit to retain the SWC phone button function
W
R
BR
R
Y
R
W
GY
R
RR
GY
GY
W
O
G
L
B
L
B
W
R
L
L
L
R
BW
W
V
G G
B
G
B
PIN VIEW
AA
Y
W
U
S
O M
Q
G
I
E
C
A
AB Z X V T R P N L J H F D B
BR
GY
G
G
L
P
GY
LG
* * * * *
* * * * *
*
*
L
V
Y
OEM Bluetooth UNIT
(see page 2 for location)
B
# #
S8
S8
Vehicle SWC
Phone Button
(PINK wire)
For 2010-2012 Mazda 3:
Tap the BLUE wire from SWRMZ-64C harness
to the PINK wire on the factory Bluetooth
unit to retain the SWC phone button function
PIN VIEW
OEM Bluetooth UNIT
(see page 2 for location)
Vehicle SWC
Phone Button
(GRAY wire)
For 2012-2015 Mazda 5:
Tap the BLUE wire from SWRMZ-64C harness
to the GRAY wire on the factory Bluetooth
unit to retain the SWC phone button function
GY
V
R LGG
BR
Y
L
R
L
B
W
PIN VIEW
*
*
**
B
R
R
G
P
O
**
**
*
*
*
*
*
*
*
*
*
OEM Bluetooth UNIT
(see page 2 for location)
Vehicle SWC
Phone Button
(BROWN wire)
For 2010-2012 Mazda CX7:
Tap the BLUE wire from SWRMZ-64C harness
to the BROWN wire on the factory Bluetooth
unit to retain the SWC phone button function
BR
BR
R
B
W
R
B
W
O
DL
L
R
R
W
B
PIN VIEW
W
R
B
R
*
*
B
R
GY
R
R
B
O
*
*
*
*
*
*
*
*
*
*
*
*
*
***SWC Phone Button Retention ***
SWC BT
INPUT
SWC Phone
Leave the BT Unit connector unplugged
after tapping the SWC BT INPUT wire



