INSTALLATION INSTRUCTIONS FOR PART 99-8157B
APPLICATIONS
LEXUS SC SERIES
1992-2000
99-8157B
KIT FEATURES
• ISO Mount Radio Provision With Pocket
• Painted Black To Match Factory Dash
KIT COMPONENTS
A) Radio Housing With Pocket • B) Housing Brackets • C) (4) #8 X 3/8” Phillips Screws
A
B
C
TOOLS REQUIRED:
Small Flat Blade Screwdriver/ Panel Removal Tool
• Phillips Screwdriver • Socket Set
1-800-221-0932
© COPYRIGHT 2008 METRA ELECTRONICS CORPORATION
99-8157B DASH DISASSEMBLY
LEXUS SC SERIES 1992-2000
A
1
2
Disconnect the negative battery ter-
minal to prevent an accidental short
circuit.
Push down on collar around base of
shift knob then remove (2) Phillips
screws then pull up on knob to
remove. (Figure A)
3
4
Unclip and remove the shifter trim
panel. Tip: Start at the front with
ashtray open. (Figure B)
Open cup holder lid then unclip and
remove the cup holder.
Continued on page 2.
B
1
99-8157B DASH DISASSEMBLY
LEXUS SC SERIES 1992-2000
C
5
Remove (6) Phillips screws securing
the upper console trim panel then
unclip and remove the panel. (Figure C)
6
7
Remove (8) screws securing the radio
and climate control assembly.
Remove (4) screws securing the
climate controls to the bracket
assembly and remove the climate
controls. (Retain the screws and cli-
mate controls for reuse during kit
assembly) (Figure D)
Continue to kit assembly.
D
2
99-8157B KIT ASSEMBLY
LEXUS GS SERIES 1992-2000
ISO MOUNT RADIO PROVISON WITH POCKET
Note: Refer also to the instructions included with the aftermarket radio.
A
1
2
Attach the Housing Brackets to the
Radio Housing using the (4) #8 X3/8”
Phillips screws. (Figure A)
Position the factory climate controls
into the bracket/radio housing
assembly and secure using the
factory hardware. (Figure B)
3
Slide the aftermarket radio into the
bracket/radio housing assembly and
secure the radio to the assembly
using the screws supplied with the
radio. (Figure C)
B
Continue to final assembly.
C
3
99-8157B FINAL ASSEMBLY
FINAL ASSEMBLY
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
3
Re-connect the negative battery terminal and test the unit for proper operation.
Reassemble radio and dash assemblies in reverse order of disassembly.
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 specifictions.
Enjoy your newly installed radio!
4
99-8157B
NOTES
5
99-8157B INSTRUCTIONS
1-800-221-0932
REV. 12/22/08 © COPYRIGHT 2008 METRA ELECTRONICS CORPORATION INST99-8157B
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