Metra Electronics Automobile Accessories 99 8204 User Manual

INSTALLATION INSTRUCTIONS FOR PART 99-8204  
APPLICATIONS  
2003-2008 Toyota Corolla  
99-8204  
KIT FEATURES  
• DDIN Head Unit Provision with Pocket  
• ISO DIN Head Unit Provision with Pocket  
KIT COMPONENTS  
A) Radio Housing • B) Pocket • C) Trimplate • D) Mounting Brackets • E) ISO Brackets • F) Rear Support Bracket  
G) (8) #8x3/8” Phillips Flat Head Screws • H) (4) #8x3/8” Phillips Pan Head Screws  
C
A
D
B
F
G
H
E
TOOLS REQUIRED:  
Socket Wrench • Phillips Screwdriver  
1-800-221-0932  
© COPYRIGHT 2004-2007 METRA ELECTRONICS CORPORATION  
 
99-8204  
DASH DISASSEMBLY  
2003-2008 TOYOTA COROLLA  
Disconnect the negative battery terminal to prevent an accidental short circuit. Unsnap the  
gear shifter trim bezel and remove. Remove the center climate control knob and (1) Phillips  
screw exposed. Unclip the climate control bezel/pocket assembly and remove. Remove (4)  
10 mm bolts from the bottom of the factory head unit. Remove the factory head unit/trim  
bezel assembly and disconnect the wiring. Unclip the bezel from the head unit and remove  
the unit.  
1
 
99-8204  
KIT ASSEMBLY  
2003-2008 TOYOTA COROLLA  
Attach the Pocket to the back of the Radio Housing (by holding the Housing upside-down,  
inserting the right edge of the Pocket into place and pushing the rest of the Pocket onto the  
lip) and mount with (2) #8 x 3/8" Phillips Pan-head Screws supplied. Secure the  
Mounting Brackets to the Pocket with (8) #6 x 1/4" Phillip Flat-head Screws supplied.  
Mount the Rear Support Bracket to the back of the Pocket with (2) #8 x 3/8" Phillips  
Pan-head Screws supplied.  
2
 
99-8204  
KIT ASSEMBLY  
DIN HEAD UNIT PROVISION  
A
Slide the DIN cage into the Radio Housing  
1
and secure by bending the metal locking  
tabs down. Slide the aftermarket head  
unit into the cage and secure.  
ISO DIN HEAD UNIT PROVISION  
B1  
B2  
B3  
Align the holes in the ISO Brackets mount  
the Brackets to the head unit with the  
screws supplied with the unit. Slide the  
head unit/bracket assembly into the radio  
opening until the side clips engage and  
snap the Trimplate over the unit.  
(See Fig. B1)  
1
NOTE: To remove the mounted head unit,  
unclip and remove the ISO Trimplate.  
Using a small flat-blade screwdriver, dis-  
engage the side clips securing the ISO  
Brackets to the Radio Housing.  
(See Fig. B2)  
2
Re-connect the battery terminal and test  
the unit for proper operation. Snap the  
factory head unit trim bezel over the kit by  
engaging the (4) bracket tabs ("A") and  
(3) Housing bosses ("B") to the back of  
the bezel. Slide the assembly into the sub-  
dash and mount with (4) 10 mm bolts pre-  
viously removed in step #1. Re-assemble  
the dash. (See Fig. B3)  
"A"  
"B"  
3
 
99-8204  
FINAL ASSEMBLY  
FINAL ASSEMBLY  
Locate the factory wiring harness in the dash and make the connection as shown.  
Metra recomends using the proper mating adapter and making the 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.  
A
A)  
B)  
C)  
D)  
Strip wire ends back 1/2"  
Twist ends together  
Solder  
B
C
D
Tape  
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 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.  
4
 
99-8204  
NOTES  
5
 
99-8204 INSTRUCTIONS  
1-800-221-0932  
© COPYRIGHT 2004-2007 METRA ELECTRONICS CORPORATION  
INST99-8204  
REV. 10/02/07  
 

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