Metra Electronics 99-7504 User manual

INSTALLATION INSTRUCTIONS FOR PART 99-7504
99-7504
APPLICATIONS
Mazda 3
2004-2009
KIT FEATURES
•DIN Mount Radio Provision with Pocket
•ISO Mount Radio Provision with Pocket
•Bonus Display Replacement Pocket
•Retains Factory Display For Automatic
Climate Controls
A) Radio Housing • B) ISO Brackets • C) 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
KIT COMPONENTS
A
Small Flat Blade Screwdriver/ Panel Removal Tool
•Phillips Screwdriver
1-800-221-0932
©COPYRIGHT 2004-2009 METRA ELECTRONICS CORPORATION
www.metraonline.com
BCD
TOOLS REQUIRED:
E
FG
WIRING AND ANTENNA CONNECTIONS (Sold Separately)
Harness:
• 70-7903 -Mazda harness 2001-up
Antenna Adapter:
•Not required

Dash Disassembly
- Mazda32004-2009......................... . . . . . . . . 1
Kit Assembly
-Display Brackets/Pocket Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
- DIN Mount Radio Provision with Pocket . . . . . . . . . . . . . . . . . . . . . . . . 3
-ISO DIN Mount Radio Provision with Pocket . . . . . . . . . . . . . . . . . . . . 4
Final Assembly ......................................... 5,6
TABLE OF CONTENTS
99-7504
*Note:
Refer also to the instructions included with the aftermarket radio.
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99-7504 DASH DISASSEMBLY
MAZDA 3 2004-2009
A
CLOCK
SET
LOAD
FM1/2
AMCD
TAPE/MD
HOOK
B
REAR VIEW - DISPLAYTRIM PA N EL
C
1
Disconnect the negative battery ter-
minal to prevent an accidental short
circuit.
1
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)
2
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)
3
Remove (2) Phillips screws on back of
display trim panel securing display
trim then unclip and remove.
(Figure B)
4
Continue to display pocket assembly.

99-7504 DISPLAY/POCKET ASSEMBLY
DISPLAYBRACKETS/POCKET ASSEMBLY
MAZDA 3 2004-2009
A
B
2
Using the (2) 3/8” #10 bolts and (2)
#10 nuts attach the display retention
brackets to the display unit.
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)
1
Remove the (2) Phillips screws in the
sub dash. ( Figure A)
2
Secure the display unit into the sub
dash using the screws removed in the
previous step.
3
Continue to kit assembly.
AUTOMATIC CLIMATE CONTROL VEHICLES
MANUAL CLIMATE CONTROL VEHICLES

3
99-7504 KIT ASSEMBLY
A
B
C
DIN MOUNT RADIO PROVISION
Slide the DIN cage into the Radio
Housing and secure by bending the
metal locking tabs down.
(Figure A)
1
Slide the aftermarket radio unit into the
cage and secure. (Figure B)
2
Snap the Trim plate into the Radio
Housing. (Figure B)
3
Attach the (2) PC-7503 panel clips to
the rear of the radio housing. (Figure C)
4
Continue to final assembly.
*Note: Refer also to the instructions included with the aftermarket radio.

99-7504 KIT ASSEMBLY
4
A
B
ISO DIN MOUNT RADIO PROVISION
Mount the ISO Brackets to the after-
market radio using the screws sup-
plied with the radio.
(Figure A)
1
Slide the radio into the radio housing
until it snaps into place. (Figure B)
2
Attach the trim plate supplied with
the kit to the front of the radio hous-
ing assembly.
(Figure B)
3
Continue to final assembly.
*Note: Refer also to the instructions included with the aftermarket radio.
C
Attachthe (2) PC-7503 panel clips to
the rear of the radio housing.
(Figure C)
4

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)
99-7504 FINAL ASSEMBLY
FINAL ASSEMBLY
(A) Strip wire ends back 1/2"
B) Twist ends together
C) Solder
D) Tape
A
B
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.)
Re-connect the negative battery terminal and test the unit for proper operation.
Reassemble radio and dash assemblies in reverse order of disassembly.
1
2
3
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
12V Batt / Memory. . . . . . . . . Yellow
Ground. . . . . . . . . . . . . . . . . . Black*
Power Antenna. . . . . . . . . . . . Blue
Amp Turn-On . . . . . . . . . . . . . Blue / White
Amp Ground. . . . . . . . . . . . . . Black / White
Illumination . . . . . . . . . . . . . . Orange
Dimmer . . . . . . . . . . . . . . . . . Orange / 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
*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. 06/26/09 © COPYRIGHT 2004-2008 METRA ELECTRONICS CORPORATION INST99-7504
www.metraonline.com