Initializing The Interface; Chime Volume Adjustment; Audio Level Adjustment - Metra 99-3309B Instrucciones De Instalación

Installing the interface
Amplified vehicles:
• Connect the Violet wire to the right rear positive
wire of the aftermarket radio.
• Connect the Violet/Black wire to the right rear
negative wire of the aftermarket radio.
• Connect the Green wire to the left rear positive wire
of the aftermarket radio.
• Connect the Green/Black wire to the left rear
negative wire of the aftermarket radio.
Non-amplified vehicles:
• Cut the resistors from the Green, Green/black,
Purple, Purple/Black right below the heat shrink.
• Connect the Violet wire to the right rear positive
wire of the aftermarket radio.
• Connect the Violet/Black wire to the right rear
negative wire of the aftermarket radio.
• Connect the Green wire to the left rear positive wire
of the aftermarket radio.
99-3309B
• Connect the Green/Black wire to the left rear
negative wire of the aftermarket radio.
• The Pink wire is not used in this application.
Installing the interface:
1. With all the connections completed, plug the 16 and
22 pin harnesses into the interface.
2. Plug the 44 pin GM harness into the vehicle side
harness, and plug the aftermarket radio harness into
the aftermarket radio.
3. Reconnect the negative battery terminal.

Initializing the interface

Attention: If the interface loses power for any
reason, the following steps will need to be
performed again.
• Initialize the interface by turning the ignition on for
30 seconds, then turn the ignition back off, then
back on again.
Note: If using the ASWC-1, connect it after
you initialize the interface, with the key in the
off position.
5

Chime volume adjustment

1) With car on, shut off car and leave keys in
i gnition. Open the car door and leave it open.
Chimes will be heard.
2) Wait 10 seconds, then with a small
screwdriver adjust the potentiometer fully
counterclockwise (all the way left), then clockwise
to raise chime level and counterclockwise to lower
the chime level.
3) When the volume is at the desired level, remove
the keys from the ignition. This will lock the chime
volume at its current level.

Audio level adjustment

1) Start your vehicle and turn on the radio having
audio playing.
2) Turn your aftermarket radio's volume up ¾ of the way.
3) With a small screwdriver adjust the potentiometer
clockwise to raise the audio level and
counterclockwise to lower the audio level.
4) Once at desired level your audio adjustment
is complete.