INSTALLATION INSTRUCTIONS FOR PART GMOS-13
Cadillac STS amplified OnStar
interface 2005-2011
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, and V.S.S.)
• Prewired ASWC-1 harness included (ASWC-1 sold separately)
• Retains OnStar/OE Bluetooth
• Adjustable volume for chimes and OnStar
• High level speaker input
• USB updatable
• Retains balance and fade
METRA. The World's best kits.
GMOS-13
APPLICATIONS
See inside front cover
™
1-800-221-0932
INTERFACE COMPONENTS
• GMOS-13 interface • 16-pin Axxess harness
with stripped leads • 18-pin Axxess harness to
16-pin GM harness with stripped leads • 16-pin
GM harness with stripped lead
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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