Axxess GMOS-08 User manual

INSTALLATION INSTRUCTIONS FOR PART INSTGMOS-08
CuttingTool•CrimpingTool•Tape•Connectors(example:butt-connectors,bellcaps,etc.
IGNITION TERMINALS
WIRE CUTTER
M3.5
M2.6
M3
M5
M4
ISO
6
2.5
1.5
TOOLS REQUIRED
GM amplified OnStar Class II Data Bus
Interface 2005-2006
GMOS-08
•GMOS-08interface•16-pinharnesswithstrippedleads
•18-pinharnessto12-and24-pinGMharnesswithstrippedleads
INTERFACE COMPONENTS
KIT FEATURES
APPLICATIONS
• Providesaccessory(12-volt10-amp)
• RetainsR.A.P.(RetainedAccessoryPower)
• Usedinamplifiedsystems
• Retainschimes
• ProvidesNAVoutputs(parkingbrake,reverse,mute,V.S.S.)
• ASWCharnessincluded(ASWCnotincluded)
• RetainsOnStar/OEBluetooth
• AdjustablevolumeforchimesandOnStar
• Highlevelspeakerinput
• USBupdatable
• Retainsbalanceandfade
See inside front cover

Applications
GMOS-08
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 also to the instructions included with the aftermarket radio.
CHEVROLET
Equinox 2005-2006
PONTIAC
Torrent 2006
(Note: This interface will also work in vehicles listed below that are not equipped with OnStar)

From the 16-pin harness:
• ConnecttheRedwiretotheignitionwireoftheaftermarketradio
• ConnecttheOrange/Whitewiretotheilluminationwireoftheaftermarketradio.Ifthe
aftermarketradiohasnoilluminationwirejusttapeofftheOrange/Whitewire.
• ConnecttheWhitewiretotheleftfrontpositivespeakeroutputoftheaftermarketradio
• ConnecttheWhite/Blackwiretotheleftfrontnegativespeakeroutputofthe
aftermarketradio
• ConnecttheGraywiretotherightfrontpositivespeakeroutputoftheaftermarketradio
• ConnecttheGray/Blackwiretotherightfrontnegativespeakeroutputofthe
aftermarketradio
• ConnecttheGreenwiretotheradio’sleftrearpositivespeakeroutput.
• ConnecttheGreen/Blackwiretotheradio’sleftrearnegativespeakeroutput.
• ConnectthePurplewiretotheradio’srightrearpositivespeakeroutput.
• ConnectthePurple/Blackwiretotheradio’srightrearnegativespeakeroutput.
• ConnecttheBlue/Whitewiretotheradio’sampturnonwire
• ConnecttheBrownwiretothemutewireoftheaftermarketradio.Iftheaftermarket
radiodoesnothaveaMutewire,tapeuptheBrownwire.
• ConnecttheLight Greenwiretotheparkingbrakewireoftheaftermarket
navigationradio.
• ConnecttheBlue/PinkwiretotheVSSorspeedsensewireoftheaftermarket
navigationradio.
• ConnecttheGreen/Purplewiretothereversewireoftheaftermarketnavigationradio.
• Plugthe16-pinharnessintotheGMOS-08
Connections to be made
GMOS-08

GMOS-08
From the 12- and 24-pin harness:
• ConnecttheYellowwiretotheradio’s12-voltbatteryormemorywire.
• ConnecttheBlackwiretotheradio’sgroundwire.
• Plugthe14-pinharnessintotheGMOS-08
• TheBlack/YellowwireisfortheOnStarvolumeadjustment.Thiswillbediscussedin
theOnStarLevelAdjustmentsectionofthisinstruction.
Connections to be made
• Withallconnectionscompletedtotheaftermarketradio,plugthe24-and12-pin
harnessesintothevehicleswiringharnesses.
• Reconnectthenegativebatteryterminal.
• Cyclethekey,byturningtheignitiononfor30seconds.Thenoffandon
againtotesttheradio.
Installing the GMOS-08
1) Turntheignitiononifnotalready,andthenturntheradioontoverifythattheradio
works.Checkbalanceandfadercontrolsforproperoperation.
2) PushtheOnStarbutton(ifequipped)toverifyOnStarisworking.Theradiowillshutoffor
mute,dependingiftheBrownwireonthe16-pinharnessisconnected,andOnStarwill
beheardthroughthefrontspeakers.TurnoffOnStarandtheradiowillturnbackon.
Testing the GMOS-08

GMOS-08
Chime Volume Adjustment
Note: If Y91 is present on the RPO list, refer to
your owner’s manual to adjust chimes.
1) Withcaron,shutoffcarandleavekeys
inignition.Openthecardoorandleaveit
open.Chimeswillbeheard.
2) Wait10seconds,thenwithasmall
screwdriveradjustthepotentiometer
fullycounterclockwise(allthewayleft),
thenclockwisetoraisechimeleveland
counterclockwisetolowerthechimelevel.
3) Whenthevolumeisatthedesiredlevel,
removethekeysfromtheignition.Thiswill
lockthechimevolumeatitscurrentlevel.
Audio Level Adjustment
1) Startyourvehicleandturnontheradiohavingaudioplaying.
2) Turnyouraftermarketradio’svolumeup¾oftheway.
3) Withasmallscrewdriveradjustthepotentiometerclockwisetoraisetheaudioleveland
counterclockwisetolowertheaudiolevel.
4) Onceatdesiredlevelyouraudioadjustmentiscomplete.
OnStar Level Adjustment
ToadjusttheOnStarvolumelevelfindtheBlack/Yellowwireonthe16-pinharness.Push
theblueOnStarbutton,whilethevoiceisspeakingtaptheBlack/Yellowwiretoground.
Thereare4volumesettingsforOnStar;oncethe4thsettingisreachedandtheBlack/
Yellowwireistappedtogrounditwillautomaticallygobacktothefirstvolumesetting.
OncethevolumeissetitwillstayatthatvolumeuntiltheBlack/Yellowwireistappedto
groundagain.Thiscanbesetduringinstallationandthenleftalone.Ifuseradjustmentis
desired,thecustomermayalsotapvolumeupordownonthesteeringwheel(ifequipped)
toadjusttheOnStarlevel.
Potentiometer located on the 16 pin side
of the interface
AXXESS ACCESSORIES STEREOS