INSTALLATION INSTRUCTIONS FOR PART 99-9100
APPLICATIONS
AUDI
A4/A6/A8 1996-1999
TT 2001-2006
99-9100
KIT FEATURES
• DIN Mount Radio Provision
KIT COMPONENTS
A) Trim Plate “A” • B) Trim Plate “B”
A
B
TOOLS REQUIRED:
Small Flat Blade Screwdriver • Panel Removal Tool
• 86-9001-Head Unit Removal Keys
1-800-221-0932
© COPYRIGHT 2004-2007 METRA ELECTRONICS CORPORATION
99-9100 DASH DISASSEMBLY
AUDI A4/A6/A8 1996-1999
TT 2001-2996
A
1
2
Disconnect the negative battery ter-
minal to prevent an accidental short
circuit.
Insert the long ends of Metra's
86-9001 into the slots in the factory
head unit and pull the unit out.
Disconnect the wiring. (Figure A)
Continue to kit assembly.
1
99-9100 KIT ASSEMBLY
DIN MOUNT RADIO PROVISION WITH POCKET
*Note: Refer also to the instructions included with the aftermarket radio.
A
Slide the DIN cage into the radio open-
ing and secure by bending the metal
locking tabs outward. (Figure A)
1
2
3
4
Make wire connections as described
on the next page.
Slide the radio into the DIN cage until
it snaps into place. (Figure B)
Attach the trim plate to the front of the
radio. (Figure C)
B
C
2
99-9100 WIRING
WIRING
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
Re-connect the negative battery terminal and test the unit for proper operation.
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.
3
99-9100
NOTES
4
99-9100
NOTES
5
99-9100 INSTRUCTIONS
1-800-221-0932
REV. 12/11/07 © COPYRIGHT 2004-2007 METRA ELECTRONICS CORPORATION INST99-9100
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