AXXESS INTERFACE INSTALLATION
INTERFACE FEATURES
• Retains the factory personalization menu and climate controls status
• Retains OnStar
• Prewired ASWC-1 harness included (ASWC-1sold separately)
ATTENTION: The Rearview Camera Input is used to display the Personalization Menu and the
Climate Control status. If the aftermarket radio does not have a screen with a Rearview Camera
Input, then there will be no visualization of the Climate Controls Status or Personalization Menu.
An externally mounted screen could be substituted in this situation.
INTERFACE COMPONENTS
• Axxess interface
• 3318 harness
• 18-pin harness with stripped leads
• 20-pin gray harness
• 4-pin to 4-pin resistor pad harness
TOOLS REQUIRED
• Cutting tool • Crimping tool • Tape
• Connectors (example: butt-connectors, bell caps, etc.)
4
CONNECTIONS
From the 18-pin harness to the aftermarket radio:
• Connect the (2) Red wires to the accessory wire. (If installing an ASWC-1, there will be a Red
wire there to connect as well.)
• Connect the Orange wire to the illumination wire. (If the aftermarket radio has no illumination
wire, tape off the Orange wire.)
• Connect the Blue/White wire to the amp turn on wire (this wire must be connected to hear
sound from the factory amplifier).
• Connect the Brown wire to the mute wire of the aftermarket radio. If the radio has no mute
wire, tape it off and disregard it.
• Connect the White wire to the left front positive speaker output.
• Connect the White/Black wire to the left front negative speaker output.
• Connect the Gray wire to the right front positive speaker output.
• Connect the Gray/Black wire to the right front negative speaker output.
The following (3) wires are for aftermarket multimedia/navigation radios that provide these
wires (if not required, tape them off and disregard them):
• Connect the Light Green wire to the parking brake wire (if applicable).
• Connect the Green/Purple wire to the reverse wire.
Note: This wire must be connected for the interface to activate the Personalization Menu and
the Climate Control Status to the aftermarket radio.
• Connect the Blue/Pink wire to the speed sense wire (if applicable).
Continued on the next page
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