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
• 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
