From the 16-pin harness with stripped leads to the aftermarket radio:
• Connect the Red wire to the accessory wire.
• Connect the Orange/White wire to the illumination wire. If the aftermarket radio does not
have an illumination wire, tape off the Orange/White wire.
• Connect the Blue/White wire to the amp turn on wire. This wire must be connected to hear
sound from the factory amplifier.
• 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.
• 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 following (3) wires are only for multimedia/navigation radios that require these wires.
• Connect the Light Green wire to the parking brake wire.
• Connect the Blue/Pink wire to the speed sense wire.
• Connect the Green/Purple wire to the reverse wire.
• Tape off and disregard the Brown wire, it will not be used in this application.
2
CONNECTIONS
From the GMOS-MOST-01 harness to the aftermarket radio:
• Connect the Black wire to the ground wire.
• Connect the Yellow wire to the battery wire.
• If retaining the factory AUX-IN jack is desired, connect the Red and White RCA jacks to the
audio AUX-IN jacks from the aftermarket radio.
Note: a) The jack can only be used if it is a single jack.
b) If the jack has a USB port as well, neither can be retained.
• Disregard the Red wire, it will not be used in this application.
• Tape off and disregard the 3.5mm jack, it will not be used in this application.
DIN jack:
Disregard the DIN jack, it will not be used in this application.
Note: The relay attached to the GMOS-MOST-01 harness is only for audible turn signal
clicks. No extra steps are required to retain this feature, so leave the relay as-is.
Continued on the next page