Axxess GMOS-09 Installation Instructions

Axxess GMOS-09 Installation Instructions

Gm amplified onstar class ii data bus interface

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INSTALLATION INSTRUCTIONS FOR PART INSTGMOS-09
GMOS-09
GM amplified OnStar Class II Data Bus
Interface 2000-2004
See inside front cover
KIT FEATURES
• 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
INTERFACE COMPONENTS
• GMOS-09 interface • 16-pin harness with stripped leads
• 18-pin harness to 32-pin GM harness with stripped leads
TOOLS REQUIRED
Cutting Tool • Crimping Tool • Tape • Connectors (example: butt-connectors, bell caps, etc.

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Summary of Contents for Axxess GMOS-09

  • Page 1 INSTALLATION INSTRUCTIONS FOR PART INSTGMOS-09 GMOS-09 GM amplified OnStar Class II Data Bus Interface 2000-2004 APPLICATIONS See inside front cover KIT FEATURES • 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...
  • Page 2 GMOS-09 Applications (Note: This interface will also work in vehicles listed below that are not equipped with OnStar) OLDSMOBILE PONTIAC Aurora 2001-2003 Bonneville 2000-2004 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.
  • Page 3 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-09...
  • Page 4 GMOS-09 Connections to be made From the 32-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-09 • The Black/Yellow wire is for the OnStar volume adjustment. This will be discussed in the OnStar Level Adjustment section of this instruction. Installing the GMOS-09 • 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. Testing the GMOS-09 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.
  • Page 5 GMOS-09 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, Potentiometer located on the 16 pin side remove the keys from the ignition. This will...

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