GM MOST
Amplifier Interface
®
*Visit AxxessInterfaces.com for up-to-date vehicle specific applications.
INTERFACE FEATURES
• 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
INTERFACE COMPONENTS
• GMOS-MOST-01 interface • GMOST-MOST-01 harness
• 16-pin harness with stripped leads • 12-pin harness with a yellow RCA jack
• 10-pin jumper harness • 12-pin jumper harness
APPLICATIONS
CHEVROLET
Colorado
2015-up
Suburban
Silverado1500
2014-up
Tahoe
Silverado 2500/3500
2015-up
AxxessInterfaces.com
2014-up*
• Retains the factory backup camera
• Used in MOST® amplified applications
• Adjustable gain control for overall volume
• High level speaker input
• Retains balance
• Micro B USB updatable
GMC
2015-up
Canyon
2015-up
Sierra 1500
© COPYRIGHT 2017 METRA ELECTRONICS CORPORATION
2015-up
Sierra 2500/3500
2015-up
2014-up
Yukon
2015-up
GMOS-MOST-01
I N S TA L L AT I O N I N S T R U C T I O N S
TABLE OF CONTENTS
TOOLS REQUIRED
• Cutting tool • Crimping tool • Tape
• Connectors (example: butt-connectors, bell
caps, etc.)
CAUTION!
All accessories, switches, climate
controls panels, and especially air bag indicator
lights must be connected before cycling the
ignition. Also, do not remove the factory radio
with the key in the on position, or while the
vehicle is running.
REV. 9/7/17 INSTGMOS-MOST-01