From the 16-pin harness with stripped leads to the aftermarket radio:
• Connect the Red wire to the accessory wire.
Note: If installing an AXSWC (sold separately), there will be an accessory wire
there to connect as well.
• Connect the Blue/White wire to the amp turn on wire. This wire must be
connected to hear sound from the factory amplifier.
• If the aftermarket radio has an illumination wire, connect the Orange/White
wire to it.
• If the aftermarket radio has a mute wire, connect the Brown wire to it. If the
mute wire is not connected, the radio will turn off when OnStar is activated.
• Connect the Gray wire to the right front positive speaker output.
• Connect the Gray/Black wire to the right front negative speaker output.
• 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 Green wire to the left rear positive speaker output.
• Connect the Green/Black wire to the left rear negative speaker output.
• Connect the Purple wire to the right rear positive speaker output.
• Connect the Purple/Black wire to the right rear negative output.
AXGM-08
Connections to be made
The following (3) wires are only for multimedia/navigation radios that require these wires.
From the AXGM-08 harness to the aftermarket radio:
12-pin pre-wired AXSWC harness:
2
• Connect the Blue/Pink wire to the VSS/speed sense wire.
• Connect the Green/Purple wire to the reverse wire.
• Connect the Light Green wire to the parking brake wire.
• Connect the Black wire to the ground wire.
• Connect the Yellow wire to the battery wire.
• The Black/Yellow wire is used for OnStar level adjustment for models that
do not come equipped with steering wheel controls. Refer to the OnStar level
Adjustment section for further instructions.
• This harness is to be used along with the optional AXSWC (not included) to
retain steering wheel audio controls. If the AXSWC is not being used, disregard
this harness. If it will be used, please refer to the AXSWC instructions for radio
connections and programming.
Note: Disregard the harness that comes with the AXSWC.
• Connect the Red wire to the accessory wire.