GMOS-LAN-09
2
Connections to be made
From the 16-pin harness:
• Connect the Red wires to the ignition wire of the aftermarket radio.
• Connect the Orange/White wire to the illumination wire of the aftermarket
radio. If the aftermarket radio has no illumination wire, tape off the
Orange/White wire.
• Connect the White wire to the left front positive speaker output of the
aftermarket radio.
• Connect the White/Black wire to the left front negative speaker output of the
aftermarket radio.
• Connect the Gray wire to the right front positive speaker output of the
aftermarket radio.
• Connect the Gray/Black wire to the right front negative speaker output of the
aftermarket radio.
• Connect the Blue/White wire to the radio’s amp turn on wire. Connect even if
there is no amp in the vehicle.
• Connect the Brown wire to the mute wire of the aftermarket radio. If the
aftermarket radio does not have a Mute wire, tape up the Brown wire. If the
Brown wire is not connected, the radio will turn off when OnStar is activated.
• Connect the 16-pin harness into the GMOS-LAN-09.
Connections to be made
The following wires are for the aftermarket radios that have navigation built in.
• Connect the Light Green wire to the parking brake wire of the aftermarket
navigation radio (if applicable).
• Connect the Blue/Pink wire to the VSS or speed sense wire of the aftermarket
navigation radio (if applicable).
• Connect the Green/Purple wire to the reverse wire of the aftermarket
navigation radio (if applicable).
From the 16 and 20-pin GM harness:
• Connect the Yellow wire to the radio’s 12 volt battery or memory wire.
• Connect the Black wire to the radio’s ground wire.
• Connect the Green wire to the radio’s left rear positive speaker output.
• Connect the Green/Black wire to the radio’s left rear negative speaker output.
• Connect the Purple wire to the radio’s right rear positive speaker output.
• Connect the Purple/Black wire to the radio’s right rear negative
speaker output.