GM Service Manual Online
For 1990-2009 cars only
Table 1: Amplifier C1 (w/WBM)
Table 2: Amplifier C2 (w/WBM)
Table 3: Radio C1
Table 4: Radio C2
Table 5: Speaker - LF
Table 6: Speaker - LR
Table 7: Speaker - RF
Table 8: Speaker - RR
Table 9: Speaker - LF (Tweeter) (w/WBM or UR9/UP0)
Table 10: Speaker - RF (Tweeter) (w/WBM or UR9/UP0)
Table 11: Speaker - Subwoofer (w/WBM)

Amplifier C1 (w/WBM)


Object Number: 73156  Size: CH

Connector Part Information

    • 12110088
    • 24-Way F Micro-Pack 100 Series (GY)

Pin

Wire Color

Circuit Number

Function

A1

D-GN

117

RF Speaker -

A2

L-GN

200

RF Speaker Output (+)

A3

L-BU

115

RR Speaker Output (-)

A4

D-BU

46

RR Speaker Output (+)

A5

OG

360

AMP Control

A6

OG

1950

AMP Sense

A7-A8

--

--

Not Used

A9

D-GN

117

RF Speaker Output (-)

A10

L-GN

200

RF Speaker Output (+)

A11

L-BU

115

RR Speaker Output (-)

A12

D-BU

46

RR Speaker Output (+)

B1

GY

118

LF Speaker Output (-)

B2

TN

201

LF Speaker Output (+)

B3

YE

116

LR Speaker Output (-)

B4

BN

199

LR Speaker Output (+)

B5-B8

--

--

Not Used

B9

GY

118

LF Speaker Output (-)

B10

TN

201

LF Speaker Output (+)

B11

YE

116

LR Speaker Output (-)

B12

BN

199

LR Speaker Output (+)

Amplifier C2 (w/WBM)


Object Number: 73158  Size: CH

Connector Part Information

    • 12110626
    • 8-Way F Metri-Pack 280 Series, Flexlock (GY)

Pin

Wire Color

Circuit Number

Function

A

L-GN/BK

1794

Left Subwoofer Speaker Output (-)

B

D-BU/WH

346

Left Subwoofer Speaker Output (+)

C

BK

850

Ground

D

OG

2340

Battery Positive Voltage

E-F

--

--

Not Used

G

D-GN

1795

Right Subwoofer Speaker Output (+)

H

L-BU/BK

315

Right Subwoofer Speaker Output (-)

Radio C1


Object Number: 73156  Size: CH

Connector Part Information

    • 12110088
    • 24-Way F Micro-Pack 100 Series (GY)

Pin

Wire Color

Circuit Number

Function

A1-A2

--

--

Not Used

A3

OG

360

Amplifier Control (w/ WBM/UR9/UP0)

A4

YE

43

Accesory Voltage

A5-A7

--

--

Not Used

A8

BN

199

LR Speaker Output (+)

A9

YE

116

LR Speaker Output (-)

A10

D-GN

117

RF Speaker Output (+)

A11

L-GN

200

RF Speaker Output (-)

A12

BK/WH

151

Ground

B1

OG

2140

Battery Positive Voltage

B2-B3

--

--

Not Used

B4

GY

8

I/P Lamps Dimmer Switch Signal

B5

--

--

Not Used

B6

OG

1950

Amplifier Sense (w/ WBM/UR9/UP0)

B7

--

--

Not Used

B8

TN

201

LF Speaker Output (+)

B9

GY

118

LF Speaker Output (-)

B10

L-BU

115

RR Speaker Output (-)

B11

D-BU

46

RR Speaker Output (+)

B12

BN

9

Park Lamp Supply Voltage

Radio C2


Object Number: 73151  Size: CH

Connector Part Information

    • 12064799
    • 12-Way F Micro-Pack 100 Series (BK)

Pin

Wire Color

Circuit Number

Function

A-G

--

--

Not Used

H

D-GN/WH

368

Right Audio Signal (+) (w/UE1)

J

BN/WH

367

Left Audio Signal (+) (w/UE1)

K

BK/WH

372

Audio Common (w/UE1)

L

--

--

Not Used

M

YE/BK

693

Mute Signal (w/UE1)

Speaker - LF


Object Number: 886694  Size: CH

Connector Part Information

    • 12186719
    • 2-Way F (BK)

Pin

Wire Color

Circuit Number

Function

1

GY

118

LF Speaker Output (-)

2

TN

201

LF Speaker Output (+)

Speaker - LR


Object Number: 886694  Size: CH

Connector Part Information

    • 12186719
    • 2-Way F (BK)

Pin

Wire Color

Circuit Number

Function

1

YE

116

LR Speaker Output (-)

2

BN

199

LR Speaker Output (+)

Speaker - RF


Object Number: 886694  Size: CH

Connector Part Information

    • 12186719
    • 2-Way F (BK)

Pin

Wire Color

Circuit Number

Function

1

D-GN

117

RF Speaker Output (-)

2

L-GN

200

RF Speaker Output (+)

Speaker - RR


Object Number: 886694  Size: CH

Connector Part Information

    • 12186719
    • 2-Way F (BK)

Pin

Wire Color

Circuit Number

Function

1

L-BU

115

RR Speaker Output (-)

2

D-BU

46

RR Speaker Output (+)

Speaker - LF (Tweeter) (w/WBM or UR9/UP0)


Object Number: 889993  Size: CH

Connector Part Information

    • 15305566
    • 2-Way F (NA)

Pin

Wire Color

Circuit Number

Function

1

GY

118

LF Speaker Output (-)

2

TN

201

LF Speaker Output (+)

Speaker - RF (Tweeter) (w/WBM or UR9/UP0)


Object Number: 889993  Size: CH

Connector Part Information

    • 15305566
    • 2-Way F (NA)

Pin

Wire Color

Circuit Number

Function

1

D-GN

117

RF Speaker Output (-)

2

L-GN

200

RF Speaker Output (+)

Speaker - Subwoofer (w/WBM)


Object Number: 130637  Size: CH

Connector Part Information

    • 12064760
    • 4-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit Number

Function

A

L-GN/BK

1794

Left Subwoofer Speaker Output (-)

B

D-BU/WH

346

Left Subwoofer Speaker Output (+)

C

L-BU/BK

315

Right Subwoofer Speaker Output (-)

D

D-GN

1795

Right Subwoofer Speaker Output (+)