INSTALLATION INSTRUCTIONS FOR PART 99-9104
APPLICATIONS
AUDI A3
2006-2010
99-9104
KIT FEATURES
• DIN Head Unit Provision With Removable Pocket
KIT COMPONENTS
A) Radio Housing B) Pocket
Harness & Antenna Connections (sold seperately)
• 40-VW10 - VW Antenna Adapter
B
A
TOOLS REQUIRED:
(2) 86-9001 Head unit removal tools I Small Flat Blade Screwdriver
1-800-221-0932
© COPYRIGHT 2004-2010 METRA ELECTRONICS CORPORATION
DASH DISASSEMBLY
99-9104
AUDI A3 2006-2010
A
Disconnect the negative battery
terminal to prevent an accidental
short circuit.
1
2
CD
AS
LOAD
FM
MENU
TONE
AM
SAT
TAPE
RDS
Insert the long ends of Metra’s 86-
9001 head unit removal tools (Figure
B) into the slots in the factory head
unit and pull the unit out. (Figure A)
SCAN
Disconnect the wiring.
3
B
1
KIT ASSEMBLY
99-9104
AUDI A3 2006-2010
DIN HEAD UNIT PROVISION
A
Slide the DIN cage into the Radio
Housing and secure by bending the
metal locking tabs down. (Figure A)
1
Slide the aftermarket head unit into
the DIN cage until secure. (Figure B)
2
3
Slide the included pocket into the
Radio Housing until secure.
(Figure C)
B
Install kit assembly into dash.
4
C
2
FINAL ASSEMBLY
99-9104
FINAL ASSEMBLY
A
B
A)
B)
C)
D)
Strip wire ends back 1/2"
Twist ends together
Solder
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 individually tape off the ends of any unused wires to prevent
electrical short circuit.)
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.
METRA / EIA WIRING CODE
12V Ignition / Acc . . . Red
Dimmer . . . . . . . . . . Orange / White
Right Front (+) . . . . . White
12V Batt / Memory . . Yellow
Ground . . . . . . . . . . . Black*
Power Antenna . . . . . Blue
Left Front (-). . . . . . . White / Black
Right Rear (+). . . . . . Violet
Amp Turn-On . . . . . . Blue / White
Amp Ground . . . . . . . Black / White
Illumination. . . . . . . . Orange
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.
3
99-9104
NOTES
4
99-9104
NOTES
5
99-9104 INSTRUCTIONS
1-800-221-0932
REV. 04/29/10
© COPYRIGHT 2004-2010 METRA ELECTRONICS CORPORATION
INST99-9104
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