Axxess GMOS-LAN-10 User manual

GMOS-LAN-10
INSTALLATION INSTRUCTIONS
AxxessInterfaces.com © COPYRIGHT 2020 METRA ELECTRONICS CORPORATION REV. 5/7/20 INSTGMOS-LAN-10
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.
INTERFACE COMPONENTS
OPTIONAL ACCESSORIES (sold separately)
TOOLS REQUIRED
• Crimping tool and connectors, or solder gun,
solder, and heat shrink • Tape • Wire cutter
• Zip ties • Small flat-blade screwdriver
TABLE OF CONTENTS
Connections ............................................................2
Installation .............................................................3
Programming .........................................................3
Adjustments ...........................................................3
Troubleshooting .....................................................3
GM Data Interface 2016-Up
APPLICATIONS
CHEVROLET
Colorado (with IOB radio) 2017-Up
Cruze (with IOA radio) 2016-2018
Cruze Hatchback (with IOA radio) 2016-2018
Equinox (with IOB radio) 2018
Malibu (with IOA radio) 2016-2018
Silverado (with IOB radio) 2016-2018
Silverado LD (with IOB radio) 2019
GMC
Canyon (with IOB radio) 2017-2018
Sierra (with IOB radio) 2019
Sierra Limited (with IOB radio) 2016-2018
• GMOS-LAN-10 interface • GMOS-LAN-10 harness
• 16-pin harness with stripped leads
Extension Harness: AX-GMLAN010EXT
Steering Wheel Control Interface: ASWC-1
The IOA/IOB code, if applicable, can be found in the Service Parts Identification label located:
Glovebox: Canyon/Colorado/Cruze/Equinox/Silverado/Sierra – Rear Compartment Floor: Malibu
INTERFACE FEATURES
• Provides accessory power (12-volt 10-amp)
• Retains R.A.P. (retained accessory power)
• Provides NAV outputs (parking brake, reverse, speed sense)
• Retains chimes
• Pre-wired ASWC-1 harness (ASWC-1 sold separately)
• Retains OnStar / OE Bluetooth
• Retains the factory backup camera†
• Adjustable chime/OnStar level
• Can be used in both amplified and non-amplified models (excluding Bose)
• Retains balance and fade
• Micro-B USB updatable
† Excluding 2018 trucks
Visit AxxessInterfaces.com for more detailed information about the product and up-to-date vehicle
specific applications

2
CONNECTIONS
From the 16-pin harness with stripped leads to the aftermarket radio:
• Connect the Red wire to the accessory wire.
Note: If installing an ASWC-1 (sold separately), there will be an accessory wire on the
GMOS-LAN-10 harness to connect as well.
• If the vehicle is equipped with a factory amplifier (excluding Bose), 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.
• 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.
• Tape off and disregard the following (4) wires, they will not be used in this application.
Green, Green/Black, Purple, Purple/Black
From the GMOS-LAN-10 harness to the aftermarket radio:
• Connect the Black wire to the ground wire.
• Connect the Yellow wire to the battery wire.
• If installing an ASWC-1 (sold separately), connect the Red wire to accessory power.
• 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.
• The Black/Yellow wire is used for OnStar level adjustment for models that do not come equipped
with steering wheel controls. See the OnStar level Adjustment section for further instructions
.
• If retaining the factory backup camera, connect the Yellow RCA jack to the reverse camera input .
12-pin ASWC-1 harness & 3.5mm jack:
The 12-pin ASWC-1 harness & 3.5mm jack are to be used with an ASWC-1 (sold separately) to
retain steering wheel audio controls. If the ASWC-1 is not being used, disregard this harness and
3.5mm jack. If it is to be used, please refer to the ASWC-1 instructions for radio connections and
programming. Disregard the harness that comes with the ASWC-1.
Note: The relay attached to the GMOS-LAN-10 harness is only for audible turn signal clicks. No
extra steps are required to retain this feature, so leave the relay as-is.

3
REV. 5/7/2020 INSTGMOS-LAN-10
With the key in the off position:
1. Connect the 16-pin harness with stripped leads, and the GMOS-LAN-10 harness, into the
GMOS-LAN-10 interface.
2. If an ASWC-1 (sold separately) will be used, do not connect it until the GMOS-LAN-10 is
programmed and fully functional.
Attention! Do not connect the GMOS-LAN-10 harness to the wiring harness in the vehicle just yet.
For the steps below, the L.E.D. located inside the GMOS-LAN-10 interface can only be seen while
active. The interface does not need to be opened to see the L.E.D.
1. Start the vehicle.
2. Connect the GMOS-LAN-10 harness to the wiring harness in the vehicle. The L.E.D. will
initially be Green to indicate the interface is powered.
Note: For the Equinox and Malibu, use part number AX-GMLAN010EXT (sold separately) to
extend the wiring harness to the right of the glovebox where the radio brain is located at.
3. After a few seconds the L.E.D. will turn on solid Red while the interface automatically programs
to the vehicle. The radio will shut off at this point. This process should take 5 to 30 seconds .
4. After the interface is programmed, the L.E.D. will turn on solid Green, and the radio will
come back on, indicating programming was successful.
5. Test all functions of the installation for proper operation, before reassembling the dash.
Note: The vehicle must be running for the factory camera to power on.
6. If the interface fails to function, refer to the Troubleshooting section.
Resetting the GMOS-LAN-10 Interface
1. The Blue reset button is located inside the interface, between the two connectors. The
button is accessible outside the interface, no need to open the interface.
2. Press and hold the reset button for two seconds, then let go to reset the interface.
3. Refer to the Programming section from this point.
Chime Level Adjustment:
1. With the vehicle on, turn it off and leave the keys in ignition. Open the driver’s door;
chimes will be heard.
2. Wait 10 seconds, and then with a small flat-blade screwdriver, turn the potentiometer
clockwise to raise the chime level; counterclockwise to lower the chime level.
3. When the chime is at a desired level, remove the keys from the ignition. This will lock the
chime volume at its current level.
OnStar Level Adjustment:
1. Press the OnStar button to activate it.
2. While OnStar is speaking, press the VOLUME UP or VOLUME DOWN buttons on the steering
wheel to raise or lower the OnStar level.
3. If the vehicle does not come equipped with steering wheel controls, locate the Black/Yellow
wire from the GMOS-LAN-10 harness.
4. While OnStar is speaking, tap the Black/Yellow wire to ground. Once the OnStar level is
set, it will stay at that level until the Black/Yellow wire is tapped to ground again.
I N S TAL L ATI O N
PROGRAMMING
TROUBLESHOOTING
ADJUSTMENTS

INSTALLATION INSTRUCTIONS
GMOS-LAN-10
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AxxessInterfaces.com © COPYRIGHT 2020 METRA ELECTRONICS CORPORATION REV. 5/7/20 INSTGMOS-LAN-10
If you are having difficulties with the installation
of this product, contact our Tech Support line
either by phone at 1-800-253-TECH, or email at
[e-mail]. Before
doing so, look over the instruction booklet a
second time and ensure that the installation was
performed exactly as the instruction booklet
is stated. Have the vehicle apart and ready to
perform troubleshooting steps before contacting
Metra/Axxess Tech Support.