Axxess GMOS-MOST-01 Installation Instructions
Gm 2014-up most amplifier interface
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Also See for GMOS-MOST-01:
- Installation instructions manual (8 pages) ,
- Installation instructions manual (16 pages)
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GMOS-MOST-01
GM 2014-up MOST® Amplifier Interface
• 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
CHEVROLET
Silverado1500
2014-up
Silverado 2500/3500 2015-up
Installation instructions for GMOS-MOST-01
FEATURES
APPLICATIONS
Suburban
2015-up
Tahoe
2015-up
PONTIAC
Sierra 1500
2014-up
Sierra 2500/3500
2015-up
INTERFACE COMPONENTS
• GMOS-MOST-01 interface • GMOST-MOST-01
harness • 16-pin 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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Related Manuals for Axxess GMOS-MOST-01
Summary of Contents for Axxess GMOS-MOST-01
- Page 1 Installation instructions for GMOS-MOST-01 GMOS-MOST-01 INTERFACE COMPONENTS • GMOS-MOST-01 interface • GMOST-MOST-01 GM 2014-up MOST® Amplifier Interface harness • 16-pin harness with stripped leads FEATURES • Provides accessory power (12-volt 10-amp) • Retains R.A.P. (retained accessory power) TOOLS REQUIRED • Retains OnStar / OE Bluetooth • Cutting tool • Crimping tool • Tape • Connectors • Retains warning chimes (example: butt-connectors, bell caps, etc.) • 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 •...
- Page 2 Note: If using the optional ASWC-1 or AX-LCD, there will be an accessory wire • Connect the Blue/Pink wire to the speed sense wire (if applicable). there to connect as well. • Connect the Green/Purple wire to the reverse wire (if applicable). • Connect the Orange/White wire to the illumination wire. (If the aftermarket radio has no illumination wire, tape off the Orange/White wire). From the GMOS-MOST-01 harness to the aftermarket radio: • Connect the Blue/White wire to the amp turn on wire (this wire must be • Connect the Black wire to the ground wire. connected to hear sound from the factory amplifier). • Connect the Yellow wire to the battery wire. • Connect the Brown wire to the mute wire of the aftermarket radio. If the radio •...
- Page 3 • With the vehicle and radio turned on, turn the volume up 3/4 of the way. The DIN jack is to be used with the optional AX-LCD (sold separately). • Locate the end of the GMOS-MOST-01 with the 16-pin harness with stripped leads. • Connect the Red wire to the accessory wire. • With a small screwdriver, adjust the potentiometer clockwise to raise the audio Note: The relay attached to the GMOS-MOST-01 harness is only for audible level; counterclockwise to lower the audio level. turn signal clicks. No extra steps are required to retain this feature, so leave the • Once at a desired level, the audio level adjustment is complete. relay as-is.
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