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INSTALLATION INSTRUCTIONS FOR PART GMOS-06
Cadillac Amplified OnStar Interface
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.)
• Retains OnStar/OE Bluetooth
• Adjustable volume for chimes and OnStar
• High level speaker input
• USB updatable
• Retains balance and fade
GMOS-06
1996-2005
APPLICATIONS
See inside front cover
INTERFACE COMPONENTS
• GMOS-06 interface • 16-pin harness with
stripped leads • 14-pin harness to 32-pin GM
harness with stripped leads
TOOLS REQUIRED
• Cutting tool • Crimping tool • Tape • Connectors
(example: butt-connectors, bell caps, etc.)
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.
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Summary of Contents for Metra Electronics GMOS-06
- Page 1 INSTALLATION INSTRUCTIONS FOR PART GMOS-06 GMOS-06 INTERFACE COMPONENTS • GMOS-06 interface • 16-pin harness with Cadillac Amplified OnStar Interface stripped leads • 14-pin harness to 32-pin GM harness with stripped leads 1996-2005 APPLICATIONS TOOLS REQUIRED See inside front cover • Cutting tool • Crimping tool • Tape • Connectors (example: butt-connectors, bell caps, etc.) 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.) CAUTION: Metra recommends disconnecting the • Retains OnStar/OE Bluetooth...
- Page 2 GMOS-06 Applications Connections to be made (Note: This interface will also work in vehicles listed below From the 16-pin harness: that are not equipped with Onstar) • Connect the Red wires to the ignition wire of the aftermarket radio. CadillaC • Connect the Orange/White wire is not used in this application. Deville 1996-2005 Eldorado 1996-2002 • Connect the White wire to the left front positive speaker output of the Seville 1996-2004 aftermarket radio.
- Page 3 • Plug the 14-pin harness into the GMOS-06. navigation radio. • The Black/Yellow wire is for the OnStar volume adjustment. This will be • Connect the Blue/Pink wire to the VSS or speed sense wire of the aftermarket discussed in the OnStar Level Adjustment section of this instruction. navigation radio. • Connect the Green/Purple wire to the reverse wire of the aftermarket The 12-pin harness (ASWC plug) will be discussed later in the manual. navigation radio. • Plug the 16-pin harness into the GMOS-06. From the 32-pin GM harness: Installing the GMOS-06 • Connect the Yellow wire to the radio’s 12 volt battery or memory wire. • Connect the Black wire to the radio’s ground wire. • With all connections completed to the aftermarket radio, plug the 32-pin harnesses into the vehicles wiring harnesses. • Connect the Blue wire to the radio’s antenna turn wire. • Reconnect the negative battery terminal. • Connect the Orange/White wire to the illumination wire of the aftermarket radio. If the aftermarket radio has no illumination wire, tape off the Orange/ • Cycle the key, by turning the ignition on for 30 seconds. Then off and on again White wire.
- Page 4 GMOS-06 Testing the GMOS-06 1) Turn the ignition on if not already, and then turn the radio on to verify that the 3) With a small screwdriver adjust the potentiometer clockwise to raise the audio radio works. Check balance and fader controls for proper operation. level and counterclockwise to lower the audio level. 2) Push the Onstar button (if equipped) to verify Onstar is working. The radio 4) Once at desired level your audio adjustment is complete. 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. OnStar level adjustment To adjust the OnStar volume level find the Black/Yellow wire on the 16-pin harness. Chime Volume adjustment Push the blue OnStar button, while the voice is speaking tap the Black/Yellow wire Please refer to your owner’s manual to adjust the chime level. to ground. There are 4 volume settings for OnStar; once the 4th setting is reached and the audio level adjustment Black/Yellow wire is tapped to ground it will automatically go back to the first volume setting.