PAC OEM-2 User manual

Pacic Accessory Corporation - 1502 S. Santa Fe Street, Santa Ana, CA 92705
[email protected] • Voice: [phone] • Fax: [phone] • www.pac-audio.com
rev. 06-11-2007
Page 1
The OEM-2 may be used in any one of four possible congurations and system types.
1) Replacing a premium factory radio with an aftermarket stereo and use the factory amplier and speakers.
2) Four channel line out converter for adding ampliers to a standard factory speaker system.
3) Adding aftermarket ampliers to a factory premium amplied system (Bose, JBL, etc.).
4) Installing a radio with oating ground speaker outputs to a common grounded speaker system like the early Fords.
The OEM-2 also includes a remote turn-on for ampliers or a power antenna, providing 2 amps at 12 volts when 0.8 volts or greater is applied to the input side. This
is useful for low voltage triggers like those used in Fords or for automatic triggering when audio is present. The output “turn on” is delayed 1 second to prevent turn
on pops.
OEM – 2
Universal sound system interface and controller
White
1
LF (+) speaker (high power) White
6
LF (+) low level output
White/red
2
LF (+) speaker (low power) White/red LF (+) common gnd. speaker output
White/black
3
LF (–) common White/black
7
LF (–) common
Gray
1
RF (+) speaker (high power) Gray
6
RF (+) low level output
Gray/red
2
RF (+) speaker (low power) Gray/red RF (+) common gnd. speaker output
Gray/black
3
RF (–) common Gray/black
7
RF (–) common
Green
1
LR (+) speaker (high power) Green
6
LR (+) low level output
Green/red
2
LR (+) speaker (low power) Green/red LR (+) common gnd. speaker output
Green/black
3
LR (–) common Green/black
7
LR (–) common
Violet
1
RR (+) speaker (high power) Violet
6
RR (+) low level output
Violet/red
2
RR (+) speaker (low power) Violet/red RR (+) common gnd. speaker output
Violet/black
3
RR (–) common Violet/black
7
RR (–) common
Yellow
4
Constant battery Yellow Constant battery
Red
4
Switched power Red Switched power
Black
4
Gnd. neg. power Black Gnd. neg. power
Blue
4
Power antenna turn on Blue Power antenna turn on
Blue/white
5
Amplifier remote turn on 0.8 v min. Blue/white Amplifier remote turn on 2 amps max.
Orange
4
Illumination dimming Orange Illumination dimming
Input wiring colors Output wiring colors
1 Connect these wires to an aftermarket radio (+) high power speaker output (typically 20 watts x 4 and higher).
2 Connect these wires to an aftermarket radio (+) low power speaker output. (All stereos up to 20 watts x 4 or when wiring for #4)
3 If the radio is high power (oating ground), connect these wires separately to each of the radio’s speaker (-) wire (do not connect (-) speaker wires together). If the
radio has a common ground speaker outputs, connect these wires together along with the radio’s speaker ground.
4 These wires go directly through to the outputs for convenience of wiring. The red and black wires supply power to the internal low voltage trigger.
5 This wire needs only a minimum of 0.8 volts to supply 12 volts on the blue/white wire on the output side of the OEM-2.
6 For convenience, the positive leads of the RCA are connected internally to these wires.
7 For convenience, the grounds of the RCA are connected internally to these wires. Not used with common grounded speakers.
Note: Some Chrysler/Dodge vehicles with a Innity premium sound system do not need any interface. If the speakers fade and balance correctly with this interface
installed, but you have very little volume, then you do not need this interface.
Pacific Accessory Corporation
Referring to the wire color chart above, connect the speaker outputs of the new radio to the OEM-2, using the positive, solid color, and the negative black-striped
wires for all four channels. On the output side of the OEM-2 connect the solid color wires (+) and the black-striped wires (-) to the factory harness leading to
the factory ampliers. If there are common audio return wires (-) used in the vehicle for either the front and rear channels then connect the negative outputs of
the OEM-2 to them. If there is only one audio return wire for all four channels connect all the black-striped wires to it. Connecting the constant power (yellow),
switched power (red), ground (black), antenna trigger (blue), illumination (orange), and amplier turn on (blue/white) through the OEM-2 simplies wiring to the
vehicle. The output level controls can be adjusted with a small screwdriver.
1) Replace the factory premium radio with an after market radio/deck and retain the use of the factory ampliers and speakers
OEM-2
Pacific Accessory Corporation - Santa Ana, CA 92705
102.7 FM
wht & wht/blk
gray & gray/blk
grn & grn/blk
vio & vio/blk
(-)
(+)
(-)
(+)
(-)
(+)
(-)
(+)
LF
LR
RR
RF
Aftermarket stereo
connect blu/wht to new stereo's remote wire
Factory Amplifier
blu/wht amplifier remote turn on
wht & wht/blk
gray & gray/blk
grn & grn/blk
vio & vio/blk
plug removed from factory stereo
Input
Output

Pacic Accessory Corporation - 1502 S. Santa Fe Street, Santa Ana, CA 92705
[email protected] • Voice: [phone] • Fax: [phone] • www.pac-audio.com Page 2
The factory radio speaker outputs are connected to the OEM-2 inputs and the new amplier is connected to the output side of the OEM-2, using the four RCA
jacks and extension cables. Referring to the wire color chart, connect the factory radio speaker (+) outputs to the solid color wires and the (-) outputs to the
black-striped wires. Example, LF speaker outputs of the factory radio connect to the white wire (+) and white/black (-). Continue for the remaining channels. The
OEM-2 provides an amplier turn on signal. To use, connect the blue/white wire on the OEM-2 input side to one of the positive speaker wires or to any source
that provides 5 volts DC or greater. The blue/white wire on the output side will provide 12 volts to turn on the new amplier. Connect the red (+) and black (-) wires
on the input side to switched vehicle power and ground. Adjust the output level controls as needed using a small screwdriver.
2) Adding an aftermarket amplier to a standard factory radio that does not have factory ampliers
OEM-2
Pacific Accessory Corporation - SantaAna, CA 92705
white &wht/blk
gray& gray/blk
green & grn/blk
violet &vio/blk
(-)
(+)
LF
(-)
(+)
LR
(-)
(+)
RR
(-)
(+)
RF
102.7 FM
Factory stereo
New Amplifier
(-)
(+)
(-)
(+)
New subwoofers
Input
Output
blu/wht
Connect blu/wht wire to any
speaker wire output of factory
radio (+ or -) for remote turn on
for new amplifier. blu/wht 12 volt remote output
RCA out to
new amplifier
Referring to the wire color chart above, connect the audio output leads of the factory stereo to the input of the OEM-2, using the red striped wires as the positive
input and black-striped as negative. Most premium systems use a low -level signal from the stereo to the factory ampliers, therefore use the low level input of
the OEM-2. Some factory-amplied systems use common audio returns and grounded shields like for instance, GM/Delco Bose vehicles. Do not cut the shield
wire or attempt to use it as an audio signal wire. Determine if your system has two common audio return wires, one for the front channels and a second for the
rear channels. If so, connect the negative input wires (black-stripe) for the front channels of the OEM-2 to the common audio return wire in the vehicle for the
front channels. Do the same for the rear channels. If the vehicle has only one audio return wire for all channels connect all of the black stripped wires to it. The
output level controls can be adjusted with a small screwdriver. Connect the red (+) and black (-) wires on the input side to switched vehicle power and ground.
OEM-2
Pacific Accessory Corporation - SantaAna, CA 92705
wht/red &wht/blk
gray/red & gray/blk
grn/red & grn/blk
vio/red &vio/blk
(-)
(+)
LF
(-)
(+)
LR
(-)
(+)
RR
(-)
(+)
RF
102.7 FM
Factory stereo
New Amplifier
blu/wht 12 volt remote output
RCA out to
new amplifier
(-)
(+)
(-)
(+)
New subwoofers
Factory amplifier
Input
Output
blu/wht
Connect blu/wht wire to
factory amplifier remote turn
on. Example: some Fords
have a5 volt remote turn on.
3) Adding after market ampliers to a factory premium amplied system (Bose, JBL, etc.)
Referring to the wire color chart, connect the new stereo positive speaker outputs to the red striped wire on the input side of the OEM-2. Connect the negative
speaker outputs to the black-striped wires of the OEM-2. On the output side of the OEM-2 connect the red-striped wires to the vehicle positive speaker wiring.
The black striped wires on the output are not used. The negative side of each speaker is either common to each other on one wire or two in the factory plug or
already grounded to the chassis. However it may be, make sure that they are grounded to the vehicle chassis. The output level control on the OEM-2 will not
function in this conguration.
OEM-2
Pacific Accessory Corporation - SantaAna, CA 92705
102.7 FM
wht/red &wht/blk
gray/red & gray/blk
grn/red & grn/blk
vio/red &vio/blk
(-)
(+)
(-)
(+)
(-)
(+)
(-)
(+)
LF
LR
RR
RF
wht/red
gry/red
grn/red
vio/red
Aftermarket stereo
Input
Output
4) Installing a radio with oating ground speaker outputs to a common grounded speaker system like the early Fords.