Attention!
Let the vehicle sit with the key
out of the ignition for a few minutes before
removing the factory radio. When testing the
aftermarket equipment, ensure that all factory
equipment is connected before cycling the
key to ignition.
GMOS-MOST-02
I N S TA L L AT I O N I N S T R U C T I O N S
AxxessInterfaces.com
© COPYRIGHT 2018 METRA ELECTRONICS CORPORATION
REV. 9/28/18 INSTGMOS-MOST-02
INTERFACE FEATURES
INTERFACE COMPONENTS
TOOLS REQUIRED
• Crimping tool and connectors, or solder gun,
solder, and heat shrink
• Small flat blade screwdriver • Tape
• Wire cutter • Zip ties
TABLE OF CONTENTS
Connections .........................................................2-3
Installation .............................................................3
Programming .........................................................4
Audio level adjustment .........................................4
GM
MOST
®
Amplifier Interface
2014-up*
APPLICATIONS
• Provides accessory power
(12-volt 10-amp)
• Maintains the retained
accessory power (R.A.P.) feature
• Retains OnStar / OE Bluetooth
• Retains warning chimes
• Provides NAV outputs (parking
brake, reverse, speed sense)
• Pre-wired ASWC-1 harness
(ASWC-1 sold separately)
• Retains the factory backup
camera
• Used in MOST ® amplified
applications
• Retains balance
• Micro “B” USB updatable
CHEVROLET
Corvette
2014-up Impala
2014-up
• GMOS-MOST-02 interface
• GMOST-MOST-02 harness
• 16-pin harness with stripped leads
• Backup camera harness
• 10-pin jumper harness
*Visit
AxxessInterfaces.com
for up-to-date vehicle specific applications.
