
INSTALLATION INSTRUCTIONS FOR PART 95-8152
APPLICATIONS
LEXUS GS 300/400
1998-2005
Not For Use In Vehicles
With Factory Navigation
95-8152
KIT FEATURES
• Double DIN Radio Provision
• Stacked ISO Mount Units Provision
KIT COMPONENTS
A) Double DIN Radio Housing B) Double DIN Brackets
A
TOOLS REQUIRED:
Small Flat Blade Screwdriver/ Panel Removal Tool
• Phillips Screwdriver
1-800-221-0932
© COPYRIGHT 2007 METRA ELECTRONICS CORPORA
B
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aonline.com
TION

95-8152
TABLE OF CONTENTS
Dash Disassembly
-
Lexus GS 300/400 1998-2005 . . . .
. . . . . . . . . . . . . . .
..
1,2
Kit Assembly
- Double DIN Radio Provision . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
- Stacked ISO Mount Units Provision . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Final
*Note:
Refer also to the instructions included with the aftermarket radio.

95-8152 DASH DISASSEMBLY
LEXUS GS 300/400 1998-2005
Disconnect the negative battery ter-
1
minal to prevent an accidental short
circuit.
Unsnap and remove vent/clock
2
assembly from above climate controls. (
Figure A)
Remove two screws from behind
3
vent/clock assembly.
Unsnap and remove ashtray assembly
4
from below radio.
Continued on next page.
(Figure B)
(Figure C)
A
B
C
1

95-8152 DASH DISASSEMBLY
LEXUS GS 300/400 1998-2005
Remove (2) screws from behind ash-
5
tray assembly. (
Unplug and remove radio/climate
6
controls assembly. (
Remove side brackets to separate the
7
radio from the climate controls.
(Retain the climate controls for reuse
during kit assembly.) (
Continue to kit assembly.
Figure D)
Figure E)
Figure F)
D
E
2
F

95-8152 KIT ASSEMBLY
LEXUS GS 300/400 1998-2005
DOUBLE DIN RADIO
STACKED ISO MOUNT UNITS PROVISION
Note: Refer also to the instructions included with the aftermarket radio.
Snap the Double DIN Brackets onto
1
the Double DIN Radio Housing.
(Figure A)
Slide the factory climate controls into
2
the Bracket/Radio Housing assembly
aligning the top of the assembly with
alignment pins in the bottom of the
climate controls and secure using the
factory hardware.
Slide the Double DIN or stacked ISO
3
mount units into the bracket/radio
housing assembly and secure the
Double DIN or stacked ISO mount
units to the assembly using the
screws supplied with the Double DIN
or stacked ISO mount units.
(Figure B)
(Figure C)
A
B
Continue to final assembly.
C
3

95-8152 FINAL ASSEMBLY
FINAL ASSEMBLY
A
(A) Strip wire ends back 1/2"
B
B) Twist ends together
C) Solder
C
D
Locate the factory wiring harness in the dash. Metra recommends using the
1
proper mating adapter and making connections as shown. (Isolate and individually 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.
2
Reassemble radio and dash assemblies in reverse order of disassembly.
3
D) Tape
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
. . . . . . . . . . . . . .
tion
Illumina
Dimmer . . . . . . . . . . . . . . . . . Orange / White
Orange
Right Front (+) . . . . . . . . . . . . Gray
Right Front (-). . . . . . . . . . . . . Gray/ Black
Left Front (+) . . . . . . . . . . . . . White
Left Front (-). . . . . . . . . . . . . . White / Black
Right Rear (+) . . . . . . . . . . . . Violet
Right Rear (-) . . . . . . . . . . . . . Violet / Black
Left Rear (+)
Left Rear (-) . . . . . . . . . . . . . . Green / Black
. . . . . . . . . . . . .
Green
*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.
4

95-8152 INSTRUCTIONS
1-800-221-0932
REV. 04/24/08 © COPYRIGHT 2007 METRA ELECTRONICS CORPORATION INST95-8152
www.metraonline.com