2
CONNECTIONS TO BE MADE
From the 16-pin harness with stripped leads to the aftermarket radio:
• Connect the
Red
wire to the accessory wire.
Note:
If installing an ASWC-1 (sold separately), there will be an accessory wire on the
GMOS-LAN-10 harness to connect as well.
• If
the vehicle is equipped with a factory amplifier (excluding Bose), 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.
The following (3) wires are only for multimedia/navigation radios that require these wires.
• 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.
• Tape off and disregard the following (4) wires, they will not be used in this application.
Green
,
Green/Black
,
Purple
,
Purple/Black
From the GMOS-LAN-10 harness to the aftermarket radio:
• Connect the
Black
wire to the ground wire.
• Connect the
Yellow
wire to the battery wire.
• If installing an ASWC-1 (sold separately), connect the
Red
wire to accessory power.
• 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 speaker output.
•
The
Black/Yellow
wire is used for OnStar level adjustment for models that do not come equipped
with steering wheel controls. See the OnStar level Adjustment section for further instructions
.
• If retaining the factory backup camera, connect the
Yellow
RCA jack to the reverse camera input.
12-pin pre-wired ASWC-1 harness:
• This harness is to be used along with the optional ASWC-1 (not included) to retain steering
wheel audio controls. If the ASWC-1 is not being used, disregard this harness. If it will be
used, please refer to the ASWC-1 instructions for radio connections and programming.
Disregard the harness that comes with the ASWC-1.
Note:
The relay attached to the GMOS-LAN-10 harness is only for audible turn signal clicks. No
extra steps are required to retain this feature, so leave the relay as-is.
