Axxess GMOS-MOST-01 User manual

Installation instructions for GMOS-MOST-01

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.

• Providesaccessorypower(12-volt10-amp)

• RetainsR.A.P.(retainedaccessorypower)

• RetainsOnStar/OEBluetooth

• Retainswarningchimes

• ProvidesNAVoutputs(mute/parkingbrake/reverse/speedsense)

• PrewiredASWC-1harness(ASWC-1soldseparately)

• Retainsfactory3.5AUX-IN

• UsedinMOST®amplifiedapplications

• Adjustablegaincontrolforoverallvolume

• Highlevelspeakerinput

• Retainsbalance

• MicroBUSBupdatable

FEATURES

• Cuttingtool•Crimpingtool•Tape•Connectors

(example:butt-connectors,bellcaps,etc.)

TOOLS REQUIRED

GMOS-MOST-01

GM 2014-up MOST®

Amplifier Interface

• GMOS-MOST-01interface•GMOST-MOST-01

harness•16-pinharnesswithstrippedleads

INTERFACE COMPONENTS

APPLICATIONS

CHEVROLET

Silverado1500 2014-up

Silverado2500/3500 2015-up

Suburban 2015-up

Tahoe 2015-up

PONTIAC

Sierra1500 2014-up

Sierra2500/3500 2015-up

GMOS-MOST-01

From the 16-pin harness to the aftermarket radio:

• Connectthe(2)Redwirestotheaccessorywire.

Note: If using the optional ASWC-1 or AX-LCD, there will be an accessory wire

there to connect as well.

• ConnecttheOrange/Whitewiretotheilluminationwire.(Iftheaftermarket

radiohasnoilluminationwire,tapeofftheOrange/White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Brownwiretothemutewireoftheaftermarketradio.Iftheradio

hasnomutewire,tapeitoffanddisregardit.

• 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.

Thefollowing(3)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).

From the GMOS-MOST-01 harness to the aftermarket radio:

• ConnecttheBlackwiretothegroundwire.

• ConnecttheYellowwiretothebatterywire.

• ConnecttheRCA’stotheaudioAUX-INontheaftermarketradio(ifequipped).

Note: (a) This will allow you to retain the 3.5 AUX JACK in the console.

(b) The 3.5 jack can only be used if it is a single AUX jack.

12-pin pre-wired ASWC-1 harness:

ThisharnessistobeusedinalongwiththeoptionalASWC-1(notincluded)to

retainsteeringwheelaudiocontrols.IftheASWC-1isnotbeingused,disregard

thisharness.Ifitwillbeused,pleaserefertotheASWC-1instructionsforradio

connectionsandprogramming.

Note: Disregard the harness that comes with the ASWC-1.

• ConnecttheRedwiretotheaccessorywire.

Connections to be made

GMOS-MOST-01

Connections to be made

• ConnecttheGreen/Black wiretotheGreen/Blackwireintheblack,8-pin

connectorbelowthesteeringcolumn,onthebottomside.(FigureA)

DIN jack:

TheDINjackistobeusedwiththeoptionalAX-LCD(soldseparately).

• ConnecttheRedwiretotheaccessorywire.

Note: The relay attached to the GMOS-MOST-01 harness is only for audible

turn signal clicks. No extra steps are required to retain this feature, so leave the

relay as-is.

With the key in the off position:

• Connectthe16-pin,8-pinand14-pinharnessintotheinterface.

• Withthekeyintheoffposition,connecttheGMOS-MOST-01harnessintothevehicle.

• Withallconnectionscompleted,reconnectthenegativebatteryterminal.

Note:If using the ASWC-1, connect it after you initialize and test the GMOS-

MOST-01, with the key in the off position.

Initializing the GMOS-MOST-01

Attention:If the GMOS-MOST-01 loses power for any reason, the following step

will need to be performed again.

• Initializetheinterfacebyturningtheignitiononfor30seconds,thenturnthe

ignitionbackoff,thenbackonagain.

Adjusting the GMOS-MOST-01

• Withthevehicleandradioturnedon,turnthevolumeup3/4oftheway.

• LocatetheendoftheGMOS-MOST-01withthe16-pinharnesswithstrippedleads.

• Withasmallscrewdriver,adjustthepotentiometerclockwisetoraisetheaudio

level;counterclockwisetolowertheaudiolevel.

• Onceatadesiredlevel,theaudioleveladjustmentiscomplete.

Installing the GMOS-MOST-01

(Figure A)

Green/Black wire

Other manuals for GMOS-MOST-01

Other Axxess Car Receiver manuals

Axxess

Axxess INSTAX-MLOC720 User manual

Popular Car Receiver manuals by other brands

Motorola

Motorola VWA63 Service manual

Nextar

Nextar D3201 instruction manual

Alpine

Alpine CDE-163BT owner's manual

Pioneer

Pioneer DEH-P645R installation manual

Axxera

Axxera XDMA7600 Installation & owner's manual

XM OnyX quick start guide

Sound Storm

Sound Storm STM93R user manual

Soundstream

Soundstream VIR-5000 owner's manual

Avson

Avson MKT Platform user manual

Sony

Sony MEX-1HD - Audio Library System operating instructions

Pioneer

Pioneer DVH-P500UB Operation manual

JVC

JVC KD-AHD69 Specifications

Blaupunkt

Blaupunkt SANTIAGO CR 87 operating instructions

Sony

Sony CDX-4160 - Cd Receiver operating instructions

XFIRE AUDIO

XFIRE AUDIO BMW42S owner's manual

VDO

VDO CD 2253 datasheet

Volvo

Volvo 13 84 580 installation instructions

ZENEC

ZENEC ZE-160DVD instruction manual