Metra Electronics 99-3308G User manual

INSTALLATION INSTRUCTIONS FOR PART 99-3308G
METRA. The World’s best kits.®
CAUTION! All accessories, switches, climate controls panels,
and especially air bag indicator lights must be connected before
cycling the ignition. Also, do not remove the factory radio with
the key in the on position, or while the vehicle is running.
•ISO DIN radio provision with pocket
• ISO DDIN radio provision
•Painted gray to match factory finish
• A) Radio trim panel • B) Radio brackets • C) Pocket • D) (6) #8 x 3/8” Phillips screws
• E) (2) #10 x ¾” Phillips screws • F) (2) #10 panel clips • G) Axxess interface and wiring harness (not shown)
KIT FEATURES
KIT COMPONENTS
WIRING & ANTENNA CONNECTIONS (sold separately)
Wiring Harness: • Axxess interface and harness included
Antenna Adapter: • 40-EU55
• Panel removal tool • Phillips screwdriver
• 9/32” socket wrench
TOOLS REQUIRED
Chevy Equinox / GMC Terrain 2013-up
(with color display)
99-3308G
A
Table of Contents
BCE FD
Dash Disassembly ................................................. 2
Kit Preparation....................................................... 3
Kit Assembly
–ISO DIN radio provision with pocket...................... 4
–ISO DDIN radio provision ...................................... 4
Axxess Interface Installation ............................. 5-7

99-3308G
2
Dash Disassembly
1. With pocket above factory radio
controls - Remove (2) 9/32”
screws from inside the pocket,
then unclip and remove the pocket.
2. Without pocket, just unsnap and
remove the panel. (Figure A)
3. Unsnap, unplug, and remove
the radio/ climate control panel.
(Figure B)
4. Unclip and remove the (2) side
panels from the left and right
side of the pocket/CD slot panel.
(Figure C)
5. Remove (4) 9/32” screws to remove
the pocket/CD slot panel. Remove
the power outlet and attach it to the
included pocket if installing single
DIN. If you are mounting a DDIN the
power outlet will not be retained with
this kit. Remove the rubber bottom
from the factory pocket and save it
for final assembly. (Figure D)
6. Remove (2) 9/32” screws from
each a/c vent then unclip and
remove the vents. Remove the
screws inside and under the vent
cavities and two from below the
vent locations. (this will allow flex
in the dash to fit the aftermarket in
later). (Figure E)
7. Remove (4) 9/32” screws securing
the radio chassis and remove.
(Figure F)
Continue to Kit Preparation
(Figure A) (Figure D)
(Figure C) (Figure F)
(Figure B) (Figure E)

99-3308G
(Figure A) (Figure B)
3
Kit Preparation
1. A small section of the sub-dash
must be cut with a cutting tool to
allow the radio to fit:
a. Remove the lip from the
section of dash just above
the original CD slot location
by cutting along the dotted line.
(Upper shading in figure A)
b. It is also recommended that
a portion of the sub dash
in front side of the console be
removed. (Lower shading in
figure A)
2. Attach the (2) #10 panel clips
included with the kit onto the front
legs of the radio brackets.
(Figure B)
Continue to Kit Assembly

99-3308G
4
Kit Assembly
ISO DDIN radio provision
1. Attach the radio brackets to the
radio using the screws supplied
with the radio. (Figure A)
Continue to Axxess
Interface Installation
(Figure B)
(Figure A)
ISO DIN radio provision with pocket
1. Attach the pocket to the radio
brackets using the (4) #8 x 3/8”
Phillips screws provided.
(Figure A)
2. Remove the metal DIN sleeve
and trim ring from the
aftermarket radio.
3. Slide the radio into the bracket/
pocket assembly and then secure
it using the screws supplied with
the radio. (Figure B)
Continue to Axxess
Interface Installation
(Figure A)

99-3308G
5
Axxess Interface Installation
• Provides accessory power (12-volt 10-amp)
• Retains R.A.P. (retained accessory power)
• Retains OnStar/OE Bluetooth
• Retains chimes
• Adjustable volume for chimes and OnStar
• Provides NAV outputs (mute, parking brake, reverse, and V.S.S)
• Prewired ASWC-1 harness included (ASWC-1 sold separately)
• Retains factory color screen
• Retains factory backup camera
• Can be used in amplified or non-amplified models
• Retains balance and fade
• Micro “B” USB updatable
INTERFACE FEATURES
• Wire cutter • Crimp tool • Solder gun • Tape • Small flat-blade screwdriver
• Connectors (example: butt-connectors, bell caps, etc.)
TOOLS REQUIRED
• Axxess Interface
• 3308 harness
• 16-pin harness with stripped leads
INTERFACE COMPONENTS
From the 16-pin harness with stripped leads to the aftermarket radio:
• Connect the (2) Red wires to the accessory wire.
Note: If installing an ASWC-1 (sold separately), there will be an accessory wire
there to connect as well.
• If the vehicle is factory amplified, connect the Blue/White wire to the amp turn
on wire. This wire must be connected to hear sound from the factory amplifier.
• If the aftermarket radio has an illumination wire, connect the Orange wire to it.
• If the aftermarket radio has a mute wire, connect the Brown wire to it. If the
mute wire is not connected, the radio will turn off when OnStar is activated.
• Connect the Gray wire to the right front positive speaker output.
• Connect the Gray/Black wire to the right front negative speaker output.
• Connect the White wire to the left front positive speaker output.
• Connect the White/Black wire to the left front negative speaker output.
The following (3) wires are only for multimedia/navigation radios that require these wires.
• Connect the Blue/Pink wire to the VSS/speed sense wire.
• Connect the Green/Purple wire to the reverse wire.
• Connect the Light Green wire to the parking brake wire.
• If adding an aftermarket backup camera, connect the Yellow RCA jack to it.
Continued on the next page
Connections to be made