3
REV. 9/28/2018 INSTGMOS-MOST-02
CONNECTIONS
(CONT.)
INSTALLATION
DIN jack:
• Disregard the DIN jack, it will not be used in this application.
Note:
The relay attached to the GMOS-MOST-02 harness is only for audible turn signal clicks. No
extra steps are required to retain this feature, so leave the relay as-is.
From the backup camera harness to the aftermarket radio:
• If the vehicle is equipped with a factory backup camera, connect the
Yellow
RCA jack to the
backup camera input.
With the key in the off position:
• Locate the radio brain and Human Machine Interface module (HMI):
Corvette:
•
Radio Brain:
Passenger foot-well
•
HMI:
Left side of dash
Impala:
•
Radio Brain & HMI:
Under passenger side dashboard
• Connect the
GMOS-MOST-02 harness
to the 20-pin
Gray
connector, and 8-pin
Light Gray
connector, removed from the radio brain.
• Connect the
backup camera harness
to the 12-pin
Gray
connector removed from the
HMI module.
• Connect the
16-pin harness with stripped leads
, and the
GMOS-MOST-02 harness
, into the
GMOS-MOST-02 interface.
• If the vehicle is equipped with a media player, connect the
10-pin jumper harness
to the
connector removed from the media player.
Note:
If also installing an ASWC-1, connect it after you program and test the GMOS-MOST-02,
with the key in the off position.
