Owner's Manual

2
CONNECTIONS
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.
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