From the 16-pin harness to the aftermarket radio:
• Connect the (2) Red wires to the accessory wire.
Note: If using the optional ASWC-1, there will be an
accessory wire there to connect as well.
• If equipped with a factory amplifier, connect the
Blue/White wire to the amp turn on wire.
• Connect the Orange wire to the illumination wire. (If
the aftermarket radio has no illumination wire, tape
off the Orange wire).
• Connect the Brown wire to the mute wire. (If the
aftermarket radio has no mute wire, tape off the
Brown wire).
• 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.
GMOS-045
Connections to be made
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.
• If adding an aftermarket backup camera, connect
the Yellow RCA jack to it.
From the GMOS-045 harness to the aftermarket radio:
• Connect the Black wire to the ground wire.
• Connect the Yellow wire to the battery 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.
2
• Connect the RCA jacks to the audio AUX-IN jacks
(if applicable).
Note: (a) This will allow you to retain the
3.5 AUX-IN jack in the console.
(b) The 3.5 jack can only be used if it
is a single AUX-IN jack.
(c) If the AUX-IN jack has a USB port,
neither can be used.
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.
Note: Disregard the harness that comes with
the ASWC-1.
• Connect the Red wire to the accessory wire.
Note: The relay attached to the GMOS-045 harness
is only for audible turn signal clicks. No extra steps
are required to retain this feature, so leave the relay
as-is.