Metra Electronics 99-7804B User manual

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.
Installation Instructions for 99-7804B
• ISO DIN radio provision with pocket
• DDIN radio provision
• Painted two tone to match factory
• Retains factory color screen
• A) Radio housing trim panel • B) Brackets • C) Top bracket • D) Pocket • E) (6) White panel clips
• F) (8) #6 x 3/8” Phillips screws • G) (8) #8 x 3/8” Phillips screws • H) Display retention interface and harness (not shown)
KIT FEATURES
KIT COMPONENTS
WIRING & ANTENNA CONNECTIONS (sold separately)
Wiring Harness: • Included
Antenna Adapter: • 40-HD11
• Panel removal tool • Phillips screwdriver
TOOLS REQUIRED
Honda Accord 2013-up
99-7804B
A
F
B
G
C D E

99-7804B
Dash Disassembly
1. Unclip and remove the side trim
panels from each side of the
console. (Figure A)
2. Remove (2) Phillips screws
exposed on pocket then remove
the pocket. (Figure B)
3. Remove (2) 8 mm screws facing
up on bottom of radio chassis
inside pocket cavity. (Figure C)
4. Unclip and remove the small trim
panel between the radio and
steering column. (Models with auto
climate will have a thermistor hose
attached to this panel. Disconnect
the hose under the dash above the
gas pedal to give it enough slack
before re-installing the panel.)
(Figure D)
Continue on next page
(Figure A) (Figure C)
(Figure B) (Figure D)

99-7804B
Dash Disassembly
5. Remove (2) Phillips screws on top
of radio. (Figure E)
6. Unclip and remove the radio
assembly. (Figure F)
7. Remove (1) Phillips screw from
each A/C vent then unclip and
remove the vents. (Figure G)
8. Remove (2) Phillips screws
securing the hazard light switch
and retain for kit assembly.
Continue to kit assembly
(Figure E)
(Figure G)
(Figure F)

99-7804B
Kit Preparation
1. Attach the hazard light switch to
the radio trim panel using (2) of the
supplied #8 x 3/8” Phillips screws.
(Figure A)
2. Attach the (6) white panel clips to
the radio housing trim panel.
(Figure A)
Continue on next page
(Figure A)

99-7804B
ISO DIN radio provision with pocket
1. Attach the radio brackets to the
radio housing trim panel using (4)
of the #6 x 3/8” Phillips screws.
(Figure A)
2. Attach the top bracket to the top of
the radio brackets using (4) of the
#6 x 3/8” Phillips screws supplied.
(Figure B)
3. Mount the pocket to the bracket/
panel assembly with (4) of the
#8 x 3/8” Phillips screws supplied.
(Figure C)
4. Slide the radio into the assembly
and secure with screws supplied
with the radio. (Figure D)
5. Attach the A/C vents to the radio
trim panel and secure using (2)
of the supplied #8 x 3/8” Phillips
screws. (Figure E)
6. Locate the factory wiring harness
in the dash. Follow the Wiring and
Initialization section of this manual
before completing the installation.
7. Mount the new radio assembly into
the dash and reassemble dash in
reverse order of disassembly.
Kit Assembly
(Figure A) (Figure D)
(Figure B) (Figure E)(Figure C)

99-7804B
ISO DDIN radio provision
1. Attach the radio brackets to the
radio housing trim panel using
(4) of the #6 x 3/8” Phillips screws.
(Figure A)
2. Attach the top bracket to the top of
the radio brackets using (4) of the
#6 x 3/8” Phillips screws supplied.
(Figure B)
3. Slide the radio into the bracket/
trim panel assembly and secure
to the assembly using the screws
supplied with the radio. (Figure C)
4. Attach the A/C vents to the radio
trim panel and secure using (2)
of the supplied #8 x 3/8” Phillips
screws. (Figure D)
5. Locate the factory wiring harness
in the dash. Follow the Wiring and
Initialization section of this manual
before completing the installation.
6. Reassemble dash in reverse
order of disassembly.
Kit Assembly
(Figure C)(Figure A)
(Figure B) (Figure D)

99-7804B
Wiring Instructions
Harnesses Included:
• 24-pin gray Honda connector to 14-pin black interface connector, with
pre-wired 12-pin black ASWC-1 harness.
• 24-pin and 12-pin gray Honda connector to 22-pin black interface connector,
with a Yellow female RCA.
• 8-pin gray Honda subwoofer connector to White RCA.
• Blue connector to White connector LVDS cable.
Connections to be made:
From the 24-pin gray Honda connector to the aftermarket radio:
• Connect the Red wire to the accessory wire.
• Connect the Black wire to the ground wire.
• Connect the Yellow wire to the battery wire.
• Connect the Blue/White wire to the amp turn on wire (this wire must be
connected to hear sound from the factory amplifier).
• Connect the White wire to the left front positive speaker output.
• Connect the White/Black wire to the left front negative speaker output.
• 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 Green wire to the left rear positive speaker output.
• Connect the Green/Black wire to the left rear negative speaker output.
• Connect the Purple wire to the right rear positive speaker output.
• Connect the Purple/Black wire to the right rear negative speaker output.

99-7804B
Wiring Instruction
Connections to be made:
From the 14-pin black connector to the aftermarket radio:
• Connect the Orange wire to the illumination wire. (If the aftermarket radio has
no illumination wire, tape off the Orange wire).
The following wires are for aftermarket multimedia/navigation radios that
provide these wires (if not required, tape them off and disregard them):
• Connect the Light Green wire to the parking brake wire (if applicable).
• Connect the Blue/Pink wire to the speed sense wire (if applicable).
• Connect the Green/Purple wire to the reverse wire (if applicable).
If not equipped with a factory Rearview Camera and one wants to be added:
From the 22-pin black connector to the aftermarket radio:
• Connect the Yellow RCA to the aftermarket rearview camera (female to female
barrel connector may be needed depending on camera brand, not provided).
Note: If an aftermarket backup camera is connected it must be selected
in the Menu. (Menu button on SWC>Camera Settings>Backup Camera
Source>Aftermarket Backup Camera)
If Equipped with Factory Subwoofer:
From the 8-pin gray Honda connector to the aftermarket radio:
• Connect the White RCA to the “Subwoofer Output”
(a Y-RCA adapter may be needed, not provided).
ASWC-1 (if installing)
• After the interface is initialized, plug the ASWC-1 into the 12-pin harness
of the 7804 and refer to the ASWC-1 instructions.
Note: There are a couple harnesses in the vehicle that there will be no
harness connections; these are not needed in the installation.
• Green and Gray connectors with similar small square connectors.
• 20-pin, 18-pin, & 5-pin gray connectors.

99-7804B
Touch Screen Instructions
When the interface first boots up, the
OEM screen will show an Android
Boot up sequence, DO NOT touch any
controls until the clock screen appears.
• Enter the System settings menu
to select the correct year range
for the vehicle; the instructions
to enter this menu are as follows.
Press the Menu button on the SWC
to enter the personalization menu
The steering wheel controls for the
personalization menu will override the
controls for the radio.
•Press the Menu button to enter the
personalization menu
To navigate through the menu you will
continue to use the steering wheel
controls.
then continue through the menus.
(System Settings>Others>Select
Car>2013 & 2014 Accord
OR 2015 Accord) If this step is not
done immediately after the boot
sequence, the interface will need
the power re-cycled by completely
unplugging the interface, waiting
5-10 seconds, and re-attaching
the harnessing.
The controls are as follows:
Volume up and down = Cycle
through the menu options
Source (SRC) = Enter
Seek left = Back or Return
Seek right = Not used
The personalization menu is the
same as the factory with a couple
differences.
Initialization Personalization Menu Procedure

99-7804B
Touch Screen Instructions
This menu option allows for a
background change on the clock, the
ability to adjust the clock, and select
the year range for interface.
This menu allows you to turn the
LaneWatch camera on and off, change
the view of the Rearview Camera, and
allow you to add a aftermarket camera
if the car is not equipped with a factory
rearview camera.
LaneWatch Calibration
Note: The LaneWatch button is
located on the left side of the
steering wheel, on the stalk.
• Press and hold the LaneWatch
button for 50 seconds to begin the
LaneWatch aiming procedure
(this procedure should only be
done by a Honda authorized
technician). At this point the
display will also show an image of
the LaneWatch camera feed, with
instructions on what to do — a
Honda authorized technician will
know what to do from here.
System Settings Camera Settings