2
CONNECTIONS
From the 16-pin harness with stripped leads to the aftermarket radio:
• Connect the
Red
wire to the accessory wire.
• 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.
From the GMOS-05 harness to the aftermarket radio:
• Connect the
Black
wire to the ground wire.
• Connect the
Yellow
wire to the battery wire.
• Connect the
Blue
wire to the power antenna wire.
• 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.
• Tape off and disregard the following (3) wires, they will not be used in this application:
Orange
,
Blue/White
(qty. 2)
