Metra Electronics 99-3309B-LC User manual

INSTALLATION INSTRUCTIONS FOR PART 99-3309B-LC
APPLICATIONS
Wiring Harness: • Interface included Antenna Adapter: • 40-EU55 antenna adapter
CAUTION: Metra recommends disconnecting the
negative battery terminal before beginning any
installation. All accessories, switches, and especially
air bag indicator lights must be plugged in before
reconnecting the battery or cycling the ignition.
NOTE: Refer to the instructions included with the
aftermarket radio.
• A) Radio Trim Panel • B) Radio Brackets • C) Pocket • D) (4) #8 x 3/8” Phillips screws • E) (10) White Plastic Panel Clips
• F) Interface • G) 4-pin to 44-pin harness
KIT FEATURES
KIT COMPONENTS
WIRING & ANTENNA CONNECTIONS (sold separately)
• Panel removal tool • Phillips screwdriver
• Small flat-blade screwdriver
TOOLS REQUIRED
Chevrolet Spark 2013-up
99-3309B-LC
AB C
F G
D E
•ISO DIN and DDIN radio provisions
•Painted Matte Black
•AXXESS Interface included
•Providesaccessory(12volt3amp)andretained
accessorypower
•Retainsallwarningchimes

99-3309B-LC
1. Unclip and remove the radio trim
panel. (Figure A)
2. Remove (4) Phillips screws
securing the factory radio and
remove from dash. (Figure B)
3. Unclip and remove the vents from
the factory panel. (Figure C)
4. Unclip and remove the hazard
button from the trim panel.
(Figure C)
5. Remove (5) Phillips screws
securing the upper display shroud
from the factory panel. (Figure C)
Dash Disassembly
(FigureA)
(FigureC)
Step 3
Step 5
Step 4
Step 5
(FigureB)

99-3309B-LC
Kit Assembly
ISO DIN radio provisions
1. Attach the factory vents and hazard
button to the Metra trim panel. (Figure A)
2. Attach the upper display shroud the
Metra trim panel with the factory screws.
(Figure A)
3. Attach the provided (10) panel clips to the
legs of the Metra trim panel.
4. Locate the factory wiring harness in
the dash. Metra recommends using
the proper mating adapter from Metra
or AXXESS. Re-connect the negative
battery terminal and test the unit for
proper operation.
5. Attach the radio brackets to the
aftermarket radio using the screws
supplied with the radio, then secure the
assembly to the pocket using the (4)
#8 x 3/8” Phillips screws. (Figure B)
6. Mount the assembly into the sub-dash.
7. Reassemble dash in reverse order of
disassembly using the Metra trim panel
instead of the factory trim panel.
(FigureB)
(FigureA)
Step 2
Step 1
Step 1
Step 2

99-3309B-LC
Kit Assembly
DDIN radio provisions
1. Attach the factory vents and hazard
button to the Metra trim panel. (Figure A)
2. Attach the upper display shroud the
Metra trim panel with the factory screws.
(Figure A)
3. Attach the provided (10) panel clips to
the legs of the Metra trim panel.
4. Locate the factory wiring harness in
the dash. Metra recommends using
the proper mating adapter from Metra
or AXXESS. Re-connect the negative
battery terminal and test the unit for
proper operation.
5.
Attach the radio brackets to the
aftermarket radio using the screws
supplied with the radio,
then mount the
assembly into the sub dash. (Figure B)
6. Reassemble dash in reverse order of
disassembly using the Metra trim panel
instead of the factory trim panel.
(FigureB)
(FigureA)
Step 2
Step 1
Step 1
Step 2

99-3309B-LC
6. Connect the White/Black wire to the radios left
front (-) speaker wire.
7. Connect the Gray wire to the radios right front (+)
speaker wire.
8. Connect the Gray/Black wire to the radios right
front (-) speaker wire.
9. Connect the Green wire to the radios left rear (+)
speaker wire.
10. Connect the Green/Black wire to the radios left
rear (-) speaker wire.
11. Connect the Purple wire to the radios right rear (+)
speaker wire.
12. Connect the Purple/Black wire to the radios right
rear (-) speaker wire.
Installing the Interface
1. Plug the interface into the vehicle and into the
radio.
2. To initialize the interface, turn the ignition on and
wait for 30 seconds, then turn the ignition back off,
and on again.
CAUTION: Metra recommends disconnecting
the negative battery terminal before beginning
any installation. All accessories, switches, and
especially air bag indicator lights must be plugged
in before reconnecting the battery or cycling the
ignition.Note: Refer to the instructions included
with the aftermarket radio.
Use Metra’s 99-3309G to retain ONSTAR, steering
wheel audio controls, or control of the vehicle
customization menu.
Interface harness:
1. Connect the Yellow wire to the radios constant/
memory wire.
2. Connect the Red wire to the radios accessory wire
(a relay is needed if connecting more to this wire
than just the radio).
3. Connect the Black wire to the radios ground wire.
4. Connect the Blue wire to the radios amp turn on.
5. Connect the White wire to the radios left front (+)
speaker wire.
Wire connections to be made
Testing the Interface
1. Turn the ignition on then turn the radio on and test
for proper balance and fader operation.
2. Close all the doors then turn the key off. The radio
should stay on until the driver’s door is open.