Metra Electronics 99-6536 User manual

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INSTALLATION INSTRUCTIONS
99-6536
Attention! Let the vehicle sit with the key
out of the ignition for a few minutes before
removing the factory radio. When testing the
aftermarket equipment, ensure that all factory
equipment is connected before cycling the
key to ignition.
KIT FEATURES
• ISO DIN radio provision with pocket
• ISO DDIN radio provision
•
Touchscreen display for climate and personalization features
• Painted: Bronze - 99-6536BZ
Silver - 99-6536S
KIT COMPONENTS
• A) Radio trim panel with touchscreen display • B) Radio brackets • C) Pocket • D) (4) #8 x 3/8” Phillips screws • E) (10) Panel clips
• F) HVAC interface and wiring harness (not shown) • G) Antenna adapter (not shown)
TOOLS REQUIRED
• Panel removal tool • Phillips screwdriver
• 9/32” Socket wrench • 5.5mm socket wrench
TABLE OF CONTENTS
Dash Disassembly ..................................................2
Kit Preparation .......................................................3
Kit Assembly
–ISO DIN radio provision with pocket ..................4
–ISO DDIN radio provision .....................................4
Axxess Interface Installation ............................ 5-13
WIRING & ANTENNA CONNECTIONS
Wiring Harness: Axxess interface built into
touchscreen
Antenna Adapter: Included with kit
A B C D E
Jeep Grand Cherokee 2014-2017
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specific applications

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DASH DISASSEMBLY
2
1. Unclip and remove the radio/climate
control panel. (Figure A)
2. Remove the (4) 9/32” screws securing
the radio/display screen, and then
unplug and remove. (Figure B)
3. Remove the (3) 5.5mm screws securing
the black control module in the
sub-dash, and then relocate lower to
allow clearance for the aftermarket
radio. (Figure C)
Continue to Kit Preparation
(Figure B)
(Figure A)
(Figure C)

REV. 11/26/2018 INST99-6536
KIT PREPARATION
3
(Figure A) (Figure B)
From the factory radio/climate control panel:
1. Unclip the vents from the back of the
panel. (Figure A)
To the 99-6536 radio trim panel:
1. Attach the vents to the back of the panel.
(Figure B)
2. Attach the (10) panel clips provided.
Continue to Kit Assembly

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4
KIT ASSEMBLY
(Figure A)
(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
ISO DDIN radio provision
1. Attach the brackets to the radio using
the screws supplied with the radio.
(Figure A)
Continue to Axxess
Interface Installation

REV. 11/26/2018 INST99-6536 5
AXXESS INTERFACE INSTALLATION
• Provides accessory power (12-volt 10-amp)
• Retains R.A.P. (retained accessory power)
• Provides NAV outputs (parking brake, reverse, speed sense)
• Retains audio controls on the steering wheel
• Retains safety chimes
• Retains the factory backup camera
• Retains the factory AUX-IN jack
• Retains balance and fade*
• Micro-B USB updatable
* Non-amplified models only.
INTERFACE FEATURES
• Crimping tool and connectors, or solder gun, solder, and heat shrink
• Tape • Wire cutter • Zip ties
TOOLS REQUIRED
• Axxess interface (built into the touchscreen display)
• 6536 harness
• 16-pin harness with stripped leads
• 4-pin harness with yellow RCA jacks
• Hazard harness
• Female 3.5mm connector with stripped leads
Connections ...............................................................................................................................6-8
Installation ....................................................................................................................................9
Programming ................................................................................................................................9
Final Assembly ..............................................................................................................................9
Touchscreen Display Operation .............................................................................................10-11
Steering Wheel Control Settings ...........................................................................................12-13
Troubleshooting ...........................................................................................................................13
INTERFACE COMPONENTS
TABLE OF CONTENTS

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CONNECTIONS
6
From the 6536 harness to the aftermarket radio:
• Connect the Black wire to the ground wire.
• Connect the Yellow wire to the battery wire.
• 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.
• Connect the (2) 4-pin connectors together.
• If retaining the factory backup camera, connect the Yellow RCA jack to the reverse
camera input.
• If the AUX-IN jack in the dash is desired to be used, connect the Red and White RCA jacks to
the audio AUX-IN jacks of the aftermarket radio.
• Disregard the DIN jack, it will not be used in this application.
Continue to 3.5mm jack steering wheel control retention
Attention! This interface will work with models that are either non-amplified, or amplified.
Please follow the instructions carefully for your model vehicle. Failure to do so will result in
either no sound, or low sound. If you are unsure if your vehicle is factory amplified or not,
please contact your local dealership.
For models without a factory amplifier:
From the 16-pin harness with stripped leads to the aftermarket radio:
• Connect the Red wire to the accessory wire.
• If the aftermarket radio has an illumination wire, connect the Orange/White wire to it.
• 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 output.
• Tape off and disregard the following (6) wires, they will not be used in this application.
Blue/White, Brown, Gray, Gray/Black, White, White/Black
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.

REV. 11/26/2018 INST99-6536
CONNECTIONS (CONT.)
7
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.
From the 6536 harness to the aftermarket radio:
• Connect the Black wire to the ground wire.
• Connect the Yellow wire to the battery wire.
• Tape off and disregard the following (4) wires, they will not be used in this application:
Gray, Gray/Black, White, White/Black
• Connect the (2) 4-pin connectors together.
• If retaining the factory backup camera, connect the Yellow RCA jack to the reverse
camera input.
• If the AUX-IN jack in the dash is desired to be used, connect the Red and White RCA jacks to
the audio AUX-IN jacks of the aftermarket radio.
• Disregard the DIN jack, it will not be used in this application.
Continue to 3.5mm jack steering wheel control retention
Attention! This interface will work with models that are either non-amplified, or amplified. Please
follow the instructions carefully for your model vehicle. Failure to do so will result in either no
sound, or low sound. If you are unsure if your vehicle is factory amplified or not, please contact
your local dealership.
For models with a factory amplifier:
From the 16-pin harness with stripped leads to the aftermarket radio:
• Connect the Red wire to the accessory wire.
• 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/White wire to it.
• 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.
• 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 output.
• Tape off and disregard the following (1) wire, it will not be used in this application: Brown

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8
4-pin harness with yellow RCA jacks:
• If retaining the factory backup camera to the touchscreen display is desired, connect the
Yellow RCA jack labeled “Rearview camera”, to the Yellow RCA jack from the 6536 harness .
Note: If this method is chosen, the backup camera option must be enabled in the Settings
screen .
• Disregard the Yellow RCA jack labeled “AUX video”, it will not be used in this application.
CONNECTIONS (CONT.)
3.5mm jack steering wheel control retention:
The 3.5mm jack is to be used to retain audio controls on the steering wheel.
• For the radios listed below: Connect the
female 3.5mm connector with stripped leads to the
male 3.5mm SWC jack from the 6536 harness. Any remaining wires tape off and disregard .
•
Eclipse: Connect the steering wheel control wire, normally Brown, to the Brown/White
wire from the connector. Then connect the remaining steering wheel control wire,
normally Brown/White, to the Brown wire from the connector
.
•
Metra OE: Connect the steering wheel control Key 1 wire (Gray) to the Brown wire.
•
Kenwood or select JVC with a steering wheel control wire: Connect the Blue/Yellow wire
to the Brown wire.
Note: If your Kenwood radio auto detects as a JVC, manually set the radio type to Kenwood.
See the instructions under changing radio type.
• XITE: Connect the steering wheel control SWC-2 wire from the radio to the Brown wire.
•
Parrot Asteroid Smart or Tablet: Connect the 3.5mm jack into the AX-SWC-PARROT (sold
separately), and then connect the 4-pin connector from the AX-SWC-PARROT into the radio .
Note: The radio must be updated to rev. 2.1.4 or higher software.
• Universal “2 or 3 wire” radio: Connect the steering wheel control wire, referred to as Key-A
or SWC-1, to the
Brown wire from the connector. Then connect the remaining steering wheel
control wire, referred to as Key-B or SWC-2, to the
Brown/White wire from the connector. If
the radio comes with a third wire for ground, disregard this wire
.
Note: After the interface has been programmed to the vehicle, refer to the manual provided
with the radio for assigning the SWC buttons. Contact the radio manufacturer for more
information.
• For all other radios: Connect the 3.5mm jack from the 6536 harness to the jack on the
aftermarket radio designated for an external steering wheel control interface. Please refer to
the aftermarket radios manual if in doubt as to where the 3.5mm jack goes to.

REV. 11/26/2018 INST99-6536 9
It is highly advisable to read the following steps beforehand, to ensure a clear understanding of
what is to be expected. The following steps must be done in the order that they are numbered.
With the vehicle completely off:
1. Connect the 16-pin harness with stripped leads into port “B” in the touchscreen display.
2. Connect the 6536 harness to the wiring harnesses in the vehicle. These harnesses are the
ones removed in step 7 from dash disassembly. Then insert the 6536 harness into port “A”
in the touchscreen display. But do not install this harness until exactly before step 1 from the
Programming section. This is a timed process.
3. Connect the 4-pin harness with yellow RCA jacks into port “C” in the touchscreen display.
4. Connect the hazard harness into port “D” in the touchscreen display, and then to the wiring
harness in the vehicle.
5. Disregard port “E”, it will not be used in this application.
6. Port “F” is an update port for future firmware upgrades.
7. Locate the factory antenna connector in the dash and complete all necessary connections to
the radio. Use the antenna adapter provided to adapt the factory antenna connector to the
aftermarket radio.
AB
C
E
FD
1. Refer to step 2 from the Installation section.
2. Press the push-to-start button to start the vehicle.
3. Program the kit:
a. Once the touchscreen display loads up, select the vehicle type.
b. Wait until the radio comes on, and the touchscreen display shows SWC Configured.
This process may take up to 3 minutes.
Note: If the touchscreen display does not load up, or the radio doesn’t come on within 3
minutes, and/or the touchscreen display does not show SWC Configured, turn the vehicle off
and disconnect the
6536 harnesse s from port “A” in the touchscreen display. Check all the
connections, reconnect the harness into the touchscreen display, and then try again.
4. Cycle the key off, then back on. If the driver’s door is closed, open and close the door.
5.
Refer to the Settings page within the Touchscreen Display Operation section. Ensure that all
factory features have been selected properly according to the options available for the vehicle .
6. Test all functions of the installation for proper operation, before reassembling the dash.
Note: The clock and compass in the driver’s information center will no longer be functional.
1. Secure the completed assembly to the dash using the factory hardware.
2. Reassemble the dash in reverse order of disassembly to complete the installation.
FINAL ASSEMBLY
INSTALLATION PROGRAMMING
Note: DO NOT CONNECT!

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10
• This is the climate control screen which will be displayed on the touchscreen display.
This is considered the Main Menu screen.
• The upper left tab with (3) arrows will take you to the Heated/Cooled Seats* screen,
Heated Steering* screen, Mirror Dimming* screen, and also to the screen where the
hard buttons that were on the factory radio panel are now placed.
• The upper right tab with a gear icon will take you to the Settings screen.
• The climate controls will function in the same manner that they did with the factory
climate controls.
• For models with rear climate controls, the button labeled REAR will take you to the
rear climate control menu.
* If applicable.
• This is the Heated/Cooled Seats, Heated Steering, and Mirror Dimming screen which will be
displayed on the touchscreen display.
• The upper left-middle tab with a home icon will take you back to the Main Menu screen.
•
The upper right-middle tab with a gear icon will take you to the Settings screen.
• The upper right tab with a car icon will take you to the screen where the hard buttons that
were on the factory radio panel are now placed.
Continued on the next page
Climate Control screen Heated/Cooled Seats screen
TOUCHSCREEN DISPLAY OPERATION