PAC OEM-2 Speaker System User Manual


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Pacifi c Accessory Corporation - 1502 S. Santa Fe Street, Santa Ana, CA 92705
techsupport@go2pac.com • Voice: 714-835-3022 • Fax: 714-835-3233 • www.go2pac.com
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Document and Material Disclaimer: All information, including photos and illustrations, in these pages is believed to be correct and reliable. The information
contained in these pages is given as general information for the installation of audio accessories into mobile and/or vehicle applications. PACIFIC ACCESSORY
CORPORATION shall not be held liable for any damages and/or injuries resulting from the use of information contained in these pages. All information contained in
these pages should be checked and verifi ed with appropriate test equipment to assure the safety and proper operation of equipment installed and the vehicle itself.
Copyright © 2002 Pacifi c Accessory Corporation.
Important!
If you are using the supplied wire harness from Crutchfi eld, or other aftermarket wire harness either from Metra, Scosche or
American International, you can not connect the audio signal wires of the supplied wire harness to the OEM-2 color for color (you
may however, connect the red, black, blue, orange, and yellow wire color for color). The wire harness supplied by Crutchfi eld or other
above mentioned wire harnesses are not designed for Bose Premium Sound Systems. You will need to trace the factory wire colors
and match them over to the aftermarket harness. Connect the OEM-2 outputs according to the chart.
The factory wire colors given are typical of most GM vehicles with a Bose Premium Sound System. If the colors do not match up,
you will need to obtain a wiring diagram of your vehicle from a dealer. In some vehicles the audio common wires could have a striped
wire.
Factory GM 21 pin plug
1
10
11
20
234 567
89
12 13
14 15
16
17 18 19
Viewed from pin side not wire side
1 = left front positive (LF+), tan
2 = right and left front common (-), lt. grn
3 = right front positive (RF+), dark green
4 = front audio shield, bare wire
5 = chassis ground, black
6 = illumination/dimmer, gray
7 = n/a
8 = remote turn on, pink
9 = 12 volt ignition/switched (+12), yellow
10 = 12 volt battery/constant (+12), orange
17 = right rear positive (RR+), dark blue
18 = right and left rear common (-), yellow
19 = left rear positive (LR+), dark brown
20 = rear audio shield, bare wire
wht wire
wht/blk and gry/blk wires
gry wire
black wire
black wire
orange wire
n/a
blue/wht
red wire
yellow wire
purple wire
prp/blk and grn/blk wires
grn wire
black wire
OEM-2
Connect these wires to
Factory plug.
GM21A
1 = front audio shield, bare wire
2 = left front positive (LF+), tan
3 = right and left front common (-), lt. grn
4 = right front positive (RF+), dark green
5 = chassis ground, black
6 = illumination/dimmer, gray
7 = n/a
8 = remote turn on, pink
9 = 12 volt ignition/switched (+12), yellow
10 = 12 volt battery/constant (+12), orange
17 = rear audio shield, bare wire
18 = right rear positive (RR+), dark blue
19 = right and left rear common (-), yellow
20 = left rear positive (LR+), dark brown
black wire
wht wire
wht/blk and gry/blk wires
gry wire
black wire
orange wire
n/a
blue/wht
red wire
yellow wire
black wire
purple wire
prp/blk and grn/blk wires
grn wire
OEM-2
Connect these wires to
Factory plug.
GM21
1 = n/a
2 = left front positive (LF+), tan
3 = n/a
4 = right front positive (RF+), dark green
5 = chassis ground, black
6 = illumination/dimmer, gray
7 = n/a
8 = remote turn on, pink
9 = 12 volt ignition/switched (+12), yellow
10 = 12 volt battery/constant (+12), orange
17 = audio common
18 = right rear positive (RR+), dark blue
19 = n/a
20 = left rear positive (LR+), dark brown
n/a
wht wire
n/a
gry wire
black wire
orange wire
n/a
blue/wht
red wire
yellow wire
prp/blk, wht/blk, gry/blk and grn/blk wires
purple wire
n/a
grn wire
OEM-2
Connect these wires to
Factory plug.
GM21B
1 = left front negative (LF-), gray
2 = left front positive (LF+), tan
3 = right front negative (RF-), dark green
4 = right front positive (RF+), lt. green
5 = chassis ground, black
6 = illumination/dimmer, gray
7=n/a
8 = remote turn on, pink
9 = 12 volt ignition/switched (+12), yellow
10 = 12 volt battery/constant (+12), orange
17 = right rear negative (RR-), lt. blue
18 = right rear positive (RR+), dark blue
19 = left rear negative (LR-), yellow
20 = left rear positive (LR+), brown
wht/blk wire
wht wire
gry/blk wire
gry wire
black wire
orange wire
n/a
blue/wht
red wire
yellow wire
prp/blk wire
purple wire
grn/blk wire
grn wire
OEM-2
Connect these wires to
Factory plug.
GM21C
Mobile Audio Interfacing Equipment
Wiring the OEM-2 and aftermarket stereo to a GM
factory Bose Premium Sound System
NOTES: 4 possible GM plug confi gurations.
GM21 and GM21A: has a bare shield wire for both front
a rear speakers.
GM21B: has no bare shield wire and has common wires
for front and rear.
GM21C: has a positive and negative wire for each
speaker.
Use the shield wire(s) as a guide to determine which
chart to use.
11-08-02
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