From the LC-GMRC-LAN03 harness to the aftermarket radio, connect as indicated:
• Black wire to the ground wire.
• Yellow wire to the constant/memory wire.
• Red wire to the accessory wire.
• Blue wire to the antenna turn on wire.
• Orange/White wire to the illumination wire.
Note: If the aftermarket radio has no illumination wire, tape off the Orange/White wire.
• White wire to the left front (+) speaker wire.
• White/Black wire to the left front (-) speaker wire.
• Gray wire to the right front (+) speaker wire.
• Gray/Black wire to the right front (-) speaker wire.
• Green wire to the left rear (+) speaker wire.
• Green/Black wire to the left rear (-) speaker wire.
• Purple wire to the right rear (+) speaker wire.
• Purple/Black wire to the right rear (-) speaker wire.
The following (3) wires are only for multimedia/navigation radios that require these wires.
• Blue/Pink wire to the VSS/speed sense wire.
• Green/Purple wire to the reverse wire.
• Light Green wire to the parking brake wire.
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CONNECTIONS