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Pacic Accessory Corporation - Santa Ana, CA 92705
techsupport@pac-audio.com • Voice: 866-931-8021 • Fax: 714-835-3233 • www.pac-audio.com
Page 2
09-14-09
Connecting to and Using OnStar
Connecting the OS-4 to an aftermarket radio
SWC Output Connector
Press and
Hold for
1.5 seconds
to Activate
Onstar Voice
Recognizition or
Bluetooth Phone
Services
Raises and
Lowers Onstar
the Audio
Level While
Onstar is
Active
(7 positions)
Activate
Onstar Voice
Recognizition
Services
Connect to
Onstar
Personal
Calling
Setvices
Onstar
Emergency
Services
Ends Current
Onstar Call
or Rejects
Incoming
Bluetooth or
OnStar Call
SRCE
• To activate Bluetooth Services (if present) and OnStar Services if Bluetooth is not present press and
hold the Speak SWC button for 1.5 seconds. Pressing the circled phone button on the OnStar touch
pad will only activate OnStar Services.
• Pressing the SWC Vol+ or Vol- during an OnStar/Bluetooth connection will raise and lower the
OnStar or Bluetooth audio level.
• Pressing the down arrow SWC button or circled phone button on the OnStar touch pad during an
OnStar or Bluetooth call will end the current OnStar connection. The down arrow will also reject
incoming OnStar or Bluetooth calls.
• OnStar Personal calling and Emergency services can be activated by the buttons on the mirror.
OnStar Level Control for Vehicles without SWC Buttons
• If SWC buttons are not present a SPST switch can be used to control the
OnStar audio level during an OnStar connection.
• Using the provided Green/White wire, connect the non-terminated end to one
side of a SPST normally open momentary switch (not included).
• The terminated end will go into the OS-NAV connector position X (see picture
above).
• The other side of the SPST switch will be connected ground.
• When OnStar is active pressing the switch will raise the audio level 7 times
before returning to the original level.
12
13
24
Green/White wire
SPST N.O. switch (not included)
Wire insertion side view
(OS-NAV 24-pin connector)
VSS
(purple/white)
Parking
Brake
(red/white)
Reverse
(green)
O.S.
Level Switch
(green/white)
1 Green/White OnStar Level Control
2 N.C.
3 N.C.
4 N.C.
5 N.C.
6 N.C.
7 N.C.
8 Purple/White Vehicle Speed Sensor Output
9 N.C.
10 N.C.
11 N.C.
12 N.C.
13 N.C.
14 N.C.
15 N.C.
16 N.C.
17 Green Reverse Light Output
18 Red/White Parking Brake Output
19 N.C.
20-24 N.C.
1 White FL+ Speaker Input
2 Grey FR+ Speaker Input
3 N.C.
4 N.C.
5 Black Ground
6 Yellow Battery
7 Brown Mute Sense Input
8 Purple RR+ Speaker Input
9 Green RL+ Speaker Input
10 Brown Mute Output (-)
11 White/Black FL- Speaker Input
12 Grey/Black FR- Speaker Input
13 Red RAP Output
14 Burgundy Chime+
15 Orange Illumination Output (+)
16 Blue/White Amp On Input
17 White/Green SWC Output
18 Purple/Black RR- Speaker Input
19 Green/Black RL- Speaker Input
20 Black Chime -
2
3
4
5
6
7
8
9
10
11
14
15
16
17
18
19
20
21
22
23
1
12
13
24
OS-NAV
(Wire side view)
OS-RADPWRAUDIO
(Wire side view)
2
3
4
5
6
7
8
9
10
12
13
14
15
16
17
18
19
20
1
11
• The OS-4 provides a SWC output connector attached to the
OS-RADPWRAUDIO harness. For ease of installation, all necessary
connections for a SWI-X, ECL2, JACK, or PS have made for you.
• When using this SWC output connector the radio specic SWC interface
must be programmed for version 2 (refer to SWC interface programming
instructions for exact programming sequence).
• Both loops should also remain in tact.
• During steering wheel button assignment programming each button
should be pressed and held for 1 second after the SWC interface LED
goes out with the exception of the Speak button.
• The speak button should be pressed for less than 1 second and
released.
• Pressing the Speak button for longer than 1.5 SEC will activate OnStar.
From SWC
Buttons
From OnStar Touch Pad
Connect to SWC
Interface. Program
for Version 2.
Connect to Radio
Specific SWC
Interface
Using the CMX
• The provided CMX will play all safety/warning
chimes and turn signal/hazard light tones in
vehicles that do not play these chimes/tones when
the factory installed radio is removed.
• When the radio is removed - if factory chimes still
play the CMX is not needed. The CMX cable (2-pin
connector attached to the OS-RADPWRAUDIO
interface harness) should be tied up as it is not
used for any other connections.
• To adjust the level of the warning and safety
chimes refer to the vehicles owner manual for
Driver Information Center (DIC) settings. Not all
vehicles have a DIC. If the DIC is not available the
chime level is not adjustable.
Center and Sub Connections
Center
SUB
• Some Cadillac vehicles are
equipped with a Dolby Surround
Sound Amplied Audio System. The
ampliers 5.1 mode is enabled when
the RSE system is off and OnStar is
not active. If the aftermarket radio
has a dedicated center channel
and or sub output connect it to the
provided cable as labeled. Refer to
the aftermarket radios owner manual
for surround sound settings and
adjustments.
• If the aftermarket radio to be
installed does not have a dedicated
center channel or sub output do not
use this cable. To ensure best sound
performance channel summing is
not recommended. Use this cable
according to the outputs that are
available.
• This cable can also be used for
factory reverse camera retention if
available and if center channel and
or sub connections are not needed
(see Notes section of this manual).