Metra Electronics BUICK Lacrosse 2005-2009 User manual

INSTALLATION INSTRUCTIONS FOR PART 99-2021
99-2021
APPLICATIONS
BUICK Lacrosse
2005-2009
KIT FEATURES
•DIN Radio Provision with Pocket
•ISO Mount Radio Provision with Pocket
• Double DIN Radio Provision
•Stacked ISO Mount Units Provision
•A) Radio Housing • B) ISO Brackets • C) ISO Trim Plate • D) Double DIN Brackets
•E) Double DIN Trim Plate • F) Pocket
KIT COMPONENTS
A
TOOLS REQUIRED:
Small Flat Blade Screwdriver/ Panel Removal Tool
•Phillips Screwdriver • Socket Set
BD
E
C
F
WIRING AND ANTENNA CONNECTIONS (Sold Separately)
Wireharness:
•GMOS-01 GM interface 2002-up
•GMOS-04 GM amplified interface 2002-up
Antenna adapter:
•40-GM10 -GM antenna adapter 1988-up

99-2021 DASH DISASSEMBLY
A
B
C
D
BUICK LACROSSE 2005-2009
Disconnect the negative battery termi-
nal to prevent an accidental short
circuit.
1
Unclip and remove trim panel below
a/c control. (Figure A)
2
Remove (2) 9/32” screws securing cli-
mate controls to the sub dash. Unplug
and remove climate controls. (Figure B)
3
Unclip trim panel above the radio.
Unplug and remove the panel.
(Figure C)
4
Remove (4) 9/32” screws securing
radio. Unplug and remove radio.
(Figure D)
5
Continue to final assembly.
*
Note: Refer also to the instructions included with the aftermarket radio.

99-2021 KIT ASSEMBLY
A
B
C
DIN MOUNT RADIO PROVISION WITH POCKET
Slide the DIN cage into the radio
housing and secureby bending the
metal locking tabs outward. (Figure A)
1
Slide the aftermarket radio into the
DIN cage and until it snaps into place.
(Figure B)
2
Snap the pocket into the radio housing.
(Figure C)
3
Continue to final assembly.
*
Note: Refer also to the instructions included with the aftermarket radio.

99-2021 KIT ASSEMBLY
A
B
C
ISO MOUNT RADIO PROVISION WITH POCKET
Mount the ISO Brackets to the radio
using the screws supplied with the
radio. (Figure A)
1
Slide the radio into the radio housing
until it snaps into place. (Figure B)
2
Snap the trim plate onto the front of
the Radio Housing. (Figure B)
3
Snap the Pocket into the radio
housing. (Figure C)
4
Continue to final assembly.
*
Note: Refer also to the instructions included with the aftermarket radio.

99-2021 KIT ASSEMBLY
DOUBLE DIN RADIO PROVISION
Cut and remove the center bar from
the radio housing. (Figure A)
1
Snap the Double DIN brackets to the
inside edge of the radio housing.
(Figure B)
2
Slide the Double DIN radio into the
DDIN bracket/radio housing assembly
and secure the radio to the assembly
using the screws supplied with the
radio. (Figure C)
3
Snap the Double DIN trim plate onto
the front of the radio housing.
(Figure C)
4
Continue to final assembly.
*
Note: Refer also to the instructions included with the aftermarket radio.
A
B
C

99-2021 KIT ASSEMBLY
STACKED ISO MOUNT UNITS PROVISION
Cut and remove the center bar from
the radio housing. (Figure A)
1
Snap the Double DIN brackets to the
inside edge of the radio housing.
(Figure B)
2
Slide the stacked ISO mount units into
the bracket/trim plate assembly and
securethe units to the assembly using
the screws supplied with the units.
(Figure C)
3
Continue to final assembly.
*
Note: Refer also to the instructions included with the aftermarket radio.
A
B
C
Snap the Double DIN trim plate onto
the front of the radio/housing.
(Figure C)
4

99-2021 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
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
METRA ACCESSORIES STEREO DASH KITS