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Before connecting the vehicle’s harness to the PGHGM3 harness, locate
the Pink and Pink/Black wires on this harness. The Male and female 24-
Pin connectors each have a Pink and Pink/Black wire on them. There are
also Pink and Pink/Black wires run outside of the main bundle of wires
on the 24-pin micro t harness. One of these wires will need to pass from
the Factory wiring harness, through the media gateway, to the factory ra-
dio. The other will need to be disconnected (this disconnected wire must
NOT pass through from the vehicle to the radio.
-- For Malibu and Malibu Maxx connect the solid Pink wires on the male
and female 24-Pin connectors to the long Pink and Pink/Black wires run
outside the main bundle of wires on the PGHGM3 harness.
-- For Cobalt and G6 connect the Pink/Black wires on the male and fe-
male 24-Pin connectors to the long Pink and Pink/Black wires run outside
the main bundle of wires on the PGHGM3 harness.
Plug the vehicle’s 24-pin and 12-pin male connectors from the vehicle’s
wiring harness into the PGHGM3 connectors.
7. To complete the installation secure the Media Gateway (PXAMG) and
HD Radio tuner (HDRT) into the cavity in the dash behind the radio. Be
sure that the cables and interface modules are not near moving parts or
sharp metal edges as they may damage the cables. To prevent rattling
noises inside the dash, use zip ties, tape, or other fasteners to mount the
interfaces to the factory wiring or installed audio components.
8. With all connections made, reconnect the vehicle’s battery, insert the
key into the ignition, and turn the vehicle on. Check for proper operation
of the Media Gateway and HD Radio tuner if installed before reinstalling
the factory dash panels.
9. NOTE: The rst time you access the Gateway, your radio may display
“DEV INIT” while the device is initializing. If this is displayed, please wait
one minute then cycle the ignition off and on. Then access SAT mode
again to begin normal gateway operation.
10: NOTE: If the radio does not turn on, when the vehicle is on, the data
wire conguration is not correct. Please refer to step 6 above.
6. iPod Operation
Entering Mode Select Menu
Leave and re-enter the SAT mode to enter the mode select menu. This
can be accomplished by pressing the BAND button a few times until