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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.
Note: There are (2) VSS/speed sense wires. If the Blue/Pink wire on the AX-GMCL2-SWC
harness is populated on the factory side, use that wire instead.
• 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 AX-ADGM03 harness to the aftermarket radio:
• Connect the Black wire to the ground wire.
• Connect the Yellow wire to the battery wire.
• If installing either an ASWC-1 or AX-LCD (both sold separately), connect the (2) Red wires 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.
CONNECTIONS TO BE MADE
(CONT.)
• Disconnect the (2) 4-pin Molex connectors, then attach the 4-pin to 4-pin resistor pad
harness.
• 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.
The following (1) wire is only for a multimedia/navigation radio that requires this wire.
• If the Blue/Pink wire is populated on the factory side, connect this wire to the VSS/speed
sense wire.
• Connect the Red and White RCA jacks to the audio AUX-IN jacks from the aftermarket radio.
Continue to 12-pin pre-wired ASWC-1 harness
5
REV. 7/2/2018 INSTAX-ADGM03
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