INSTALLATION INSTRUCTIONS FOR PART 99-7506
APPLICATIONS
Mazda MX-5 Miata
2006-2008
99-7506
KIT FEATURES
• DIN Head Unit Provision with pocket
• ISO DIN Head Unit Provision with pocket
• Double DIN Head Unit Provision
• Stacked ISO DIN Head Unit Provision
• Painted Matte Black to Match Factory
KIT COMPONENTS
A) Radio Housing • B) Snap-In Pocket • C) ISO Brackets • D) ISO Trim Plate • E) Double DIN Brackets
• F) Double DIN Trim Plate • G) (4) Panel Clips
D
C
B
E
F
WIRING AND ANTENNA CONNECTIONS (Sold Separately)
Harness:
A
• 70-7903 - Mazda harness 2001-up
Antenna Adapter:
• Not required
F
Cutting Tool • Phillips Screwdriver • Socket Wrench
1-800-221-0932
© COPYRIGHT 2004-2010 METRA ELECTRONICS CORPORATION
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DASH DISASSEMBLY
99-7506
MAZDA MX-5 MIATA 2006-2008
A
1
Disconnect the negative battery
terminal to prevent an accidental
short circuit.
2
3
Unclip panel below steering column
and remove. (Figure A)
Remove (4) Phillips screws from
metal brace below steering column
and remove. (Figure A)
B
4
Looking at the side of the radio/cli-
mate control panel from underneath
the steering column opening, remove
(1) 10mm bolt from the side of the
radio chassis. (Figure B)
5
Carefully remove the side panels
from each side of the radio/climate
control panel by pulling straight back
towards the rear of the car.
(Figure C)
1
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DASH DISASSEMBLY
99-7506
MAZDA MX-5 MIATA 2006-2008
D
6
Remove (2) Phillips screws, (1) on
each side, from the side of the
radio/climate control panel.
(Figure D)
E
7
Pull radio/climate control panel out,
disconnect plugs and remove.
(Figure E)
8
Turn the radio/climate control panel
over and remove the (4) screws that
hold the climate control to the bezel,
then remove the climate control.
(Figure F)
2
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KIT PREPARATION
99-7506
MAZDA MX-5 MIATA 2006-2008
A
1
Attach the (4) Panel Clips to the posts
on the back of the radio housing.
(Figure A)
3
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KIT ASSEMBLY
99-7506
DIN HEAD UNIT PROVISION
A
1
Turn over the 99-7506 housing, take
the climate control and screws
removed from the factory panel and
attach the climate control to the kit
housing using the factory screws.
(Figure A)
B
2
Slide the pocket into the bottom
section of the kit housing. (Figure B)
C
3
4
Slide the DIN cage into the Radio
Housing and secure by bending the
metal locking tabs down. (Figure C)
D
Slide the aftermarket head unit into
the cage and secure. (Figure D)
4
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KIT ASSEMBLY
99-7506
ISO DIN HEAD UNIT PROVISION
A
1
Turn over the 99-7506 housing, take
the climate control and screws
removed from the factory panel and
attach the climate control to the kit
housing using the factory screws.
(Figure A)
B
2
3
Slide the pocket into the bottom
section of the kit housing. (Figure B)
C
Mount the ISO Brackets to the head
unit with the screws supplied with
the unit. (Figure C)
4
5
Slide the head unit into the radio
opening until the side clips engage.
(Figure D)
D
Snap the Trim plate into the Radio
Housing. (Figure D)
5
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KIT ASSEMBLY
99-7506
DOUBLE DIN HEAD UNIT PROVISION
A
Turn over the 99-7506 housing, take
the climate control and screws
removed from the factory panel and
attach the climate control to the kit
housing using the factory screws.
(Figure A)
1
2
Cut the rib in the middle of the 99-
7506 housing to make room for the
DDIN brackets. (Figure A)
B
3
Slide the appropriate DDIN bracket
into the kit housing. (Figure B)
C
4
Slide the DDIN radio unit into DDIN
brackets and secure the unit to the
kit using the screws supplied with
the head unit. (Figure C)
5
Snap the DDIN trim plate into the
front of the kit housing. (Figure C)
6
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KIT ASSEMBLY
99-7506
STACKED ISO DIN HEAD UNIT PROVISION
A
Turn over the 99-7506 housing, take
the climate control and screws
removed from the factory panel and
attach the climate control to the kit
housing using the factory screws.
(Figure A)
1
2
Cut the rib in the middle of the 99-
7506 housing to make room for the
DDIN brackets. (Figure A)
B
3
Slide the appropriate DDIN bracket
into the kit housing. (Figure B)
C
4
Slide the stacked ISO DIN units into
the DDIN bracket assembly and
secure the units to the kit using the
screws supplied with the head units.
(Figure C)
5
Snap the DDIN trim plate into the
front of the kit housing. (Figure C)
7
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FINAL ASSEMBLY
99-7506
FINAL ASSEMBLY
Locate the factory wiring harness in the dash and make the connection as shown.
Metra recomends using the proper mating adapter and making the connections as
shown. (Isolate and individually tape off the ends of any unused wires to prevent
1
Re-connect the negative battery terminal and test the unit for proper operation.
Reassemble radio and dash assemblies in reverse order of disassembly.
2
3
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.
A
A)
B)
C)
D)
Strip wire ends back 1/2"
Twist ends together
Solder
B
C
D
Tape
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 Black a wire is not present, ground radio to vehicle chassis.
All colors may not be present on all leads due to manufacturer’s specifications.
8
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99-7506
NOTES
9
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99-7506 INSTRUCTIONS
1-800-221-0932
REV. 09/16/10
© COPYRIGHT 2004-2010 METRA ELECTRONICS CORPORATION INST99-7506
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