INSTALLATION INSTRUCTIONS FOR PART 95-7504
APPLICATIONS
Mazda 3 2004-2009
95-7504
KIT FEATURES
• Double DIN Radio Provision
• Stacked ISO Mount Units Provision
• Bonus Display Replacement Pocket
KIT COMPONENTS
• A) Radio Housing • B) Double DIN Brackets • C) Double DIN Trim plate
•D) Display Replacement Pocket • E) Display Retention Brackets
• F) (2) 3/8” #10 Bolts and (2) #10 Nuts • G) (2) PC-7503 Panel Clips
F
C
B
G
A
D
E
WIRING AND ANTENNA CONNECTIONS (Sold Separately)
Wiring Harness:
• 70-7903 - Mazda harness 2001-up
Antenna Adapter:
• Not required
TOOLS REQUIRED:
Small Flat Blade Screwdriver/ Panel Removal Tool
• Phillips Screwdriver
1-800-221-0932
© COPYRIGHT 2008-2009 METRA ELECTRONICS CORPORATION
95-7504 DASH DISASSEMBLY
MAZDA 3 2004-2009
A
1
2
Disconnect the negative battery ter-
minal to prevent an accidental short
circuit.
Unclip and remove display trim panel
above radio. Tip: Open glove box and
start in middle of panel working
towards drivers side first because last
connection on far passenger side is a
hook. (Figure A)
HOOK
3
4
Remove (2) Phillips screws exposed
at top of radio then unclip and
remove radio. Note: Display is
attached to radio brackets and will be
removed at same time as radio.
(Figure B)
B
Remove (2) Phillips screws on back of
display trim panel securing display
trim then unclip and remove. (Figure C)
Continue to display/pocket assembly.
C
REAR VIEW - DISPLAY TRIM PANEL
1
95-7504 DISPLAY POCKET ASSEMBLY
DISPLAY BRACKETS/POCKET ASSEMBLY
MAZDA 3 2004-2009
AUTOMATIC CLIMATE CONTROL VEHICLES
A
1
Using the (2) 3/8” #10 bolts and (2)
#10 nuts attach the display retention
brackets to the display unit.
2
3
Remove the (2) Phillips screws in the
sub dash. (Figure A)
Secure the display unit into the sub
dash using the screws removed in the
previous step.
MANUAL CLIMATE CONTROL VEHICLES
B
1
Using the (2) Phillips screws removed
in step 4 of Dash Disassembly secure
the display replacement pocket to the
back of the display trim panel.
(Figure B)
DISPLAY REPLACEMENT POCKET
Continue to kit assembly.
MOUNTED IN DISPLAY TRIM PANEL
REAR VIEW - DISPLAY REPLACEMENT PANEL
2
95-7504 KIT ASSEMBLY
DOUBLE DIN RADIO PROVISION
*Note: Refer also to the instructions included with the aftermarket radio.
A
1
2
Snap the Double DIN brackets to the
inside edge of the radio housing.
(Figure A)
Slide the Double DIN radio into the
bracket/radio housing assembly and
secure the radio to the assembly using
the screws supplied with the radio.
Snap the trim plate onto the front of
the radio housing. (Figure B)
B
3
Attach the (2) PC-7503 panel clips to
the rear of the radio housing. (Figure C)
Continue to final assembly.
C
3
95-7504 KIT ASSEMBLY
STACKED ISO UNITS PROVISION
*Note: Refer also to the instructions included with the aftermarket radio.
1
2
Snap the Double DIN brackets to the
inside edge of the radio housing.
(Figure A)
Slide the stacked ISO units into the
bracket/radio housing assembly and
secure the units to the kit using the
screws supplied with the units. Snap
the trim plate onto the front of the
radio housing. (Figure B)
3
Attach the (2) PC-7503 panel clips to
the rear of the radio housing. (Figure C)
B
Continue to final assembly.
C
4
95-7504 FINAL ASSEMBLY
FINAL ASSEMBLY
A
B
(A) Strip wire ends back 1/2"
B) Twist ends together
C) Solder
D) Tape
C
D
Locate the factory wiring harness in the dash. Metra recommends using the
proper mating adapter and making connections as shown. (Isolate and individ-
ually tape off the ends of any unused wires to prevent electrical short circuit.)
1
2
3
Re-connect the negative battery terminal and test the unit for proper operation.
Reassemble radio and dash assemblies in reverse order of disassembly.
Note: When inserting the 99-7504 into the sub dash be aware of the locations
pointed out in Figure B
.
If the 99-7504 does not snap in correctly the result will be a noticeable gap on each
side of the installation kit. (Figure C)
B
C
5
FINAL WIRING CONNECTIONS
Make wiring connections using the EIA color code chart shown below and the instructions included with the
head unit. Metra recommends making connections as shown below; Strip, Splice, Solder, Tape. Isolate and
individually tape off ends of any unused wires to prevent electrical short circuit.
METRA / EIA WIRING CODE
12V Ignition / Acc. . . . . . . . . . Red
Right Front (+) . . . . . . . . . . . . Gray
12V Batt / Memory. . . . . . . . . Yellow
Ground. . . . . . . . . . . . . . . . . . Black*
Power Antenna. . . . . . . . . . . . Blue
Right Front (-). . . . . . . . . . . . . Gray/ Black
Left Front (+) . . . . . . . . . . . . . White
Left Front (-). . . . . . . . . . . . . . White / Black
Right Rear (+) . . . . . . . . . . . . Violet
Amp Turn-On . . . . . . . . . . . . . Blue / White
Amp Ground. . . . . . . . . . . . . . Black / White
Illumination . . . . . . . . . . . . . . Orange
Dimmer . . . . . . . . . . . . . . . . . Orange / White
Right Rear (-) . . . . . . . . . . . . . Violet / Black
Left Rear (+) . . . . . . . . . . . . . Green
Left Rear (-) . . . . . . . . . . . . . . Green / Black
*NOTE: When a Black wire is not present, ground radio to vehicle chassis.
All colors may not be present on all leads due to manufacturer’s specifications.
1-800-221-0932
REV. 05/29/09 © COPYRIGHT 2008-2009 METRA ELECTRONICS CORPORATION INST95-7504
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