GM Service Manual Online
For 1990-2009 cars only
Table 1: Audio Amplifier C1 (UZ6)
Table 2: Audio Amplifier C2 (UZ6)
Table 3: Digital Radio Receiver (U2K)
Table 4: Radio C1
Table 5: Radio C2 (UE1/U2K)
Table 6: Speaker - LF Door (U79/UX7)
Table 7: Speaker - LF Door (UZ6)
Table 8: Speaker - LF Door Tweeter (UZ6)
Table 9: Speaker - LR (U79/UX7)
Table 10: Speaker - LR (UZ6)
Table 11: Speaker - RF Door (U79/UX7)
Table 12: Speaker - RF Door (UZ6)
Table 13: Speaker - RF Door Tweeter (UZ6)
Table 14: Speaker - RR (U79/UX7)
Table 15: Speaker - RR (UZ6)

Audio Amplifier C1 (UZ6)


Object Number: 73156  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A1

D-GN

1953

Right Front Speaker Output (+)

A2

OG

1853

Right Front Speaker Output (-)

A3

L-BU/BK

315

Right Subwoofer Speaker Output (-)

A4

D-GN

1995

Right Subwoofer Speaker Output (+)

A5

PK

314

Radio On Signal

A6-A8

--

--

Not Used

A9

L-GN

200

Right Front Speaker Output (+)

A10

D-GN

117

Right Front Speaker Output (-)

A11

D-BU

46

Right Rear Speaker Output (+)

A12

L-BU

115

Right Rear Speaker Output (-)

B1

L-BU

1957

Left Front Speaker Output (+)

B2

D-BU

1857

Left Front Speaker Output (-)

B3

L-GN/BK

1794

Left Subwoofer Speaker Output (-)

B4

D-BU/WH

346

Left Subwoofer Speaker Output (+)

B5-B8

--

--

Not Used

B9

TN

201

Left Front Speaker Output (+)

B10

GY

118

Left Front Speaker Output (-)

B11

BN

199

Left Rear Speaker Output (+)

B12

YE

116

Left Rear Speaker Output (-)

Audio Amplifier C2 (UZ6)


Object Number: 73158  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A-B

--

--

Not Used

C

BK

750

Ground

D

RD/WH

1240

Battery Positive Voltage

E-H

--

--

Not Used

Digital Radio Receiver (U2K)


Object Number: 850856  Size: CH

Connector Part Information

    • 15394150
    • 16-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

BN/WH

367

Left Audio Signal (+)

3

D-GN/WH

368

Right Audio Signal (+)

4

--

--

Not Used

5

D-GN

5060

Low Speed GM LAN Serial Data

6-8

--

--

Not Used

9

BK/WH

751

Ground

10

BK/WH

372

Audio Common

11

BARE

814

Drain Wire

12-15

--

--

Not Used

16

OG

1340

Battery Positive Voltage

Radio C1


Object Number: 130690  Size: CH

Connector Part Information

    • 12110206
    • 24-Way F Micro-Pack 100 Series (L-BU)

Pin

Wire Color

Circuit No.

Function

A1

GY

118

Left Front Speaker Output (-)

A2

TN

201

Left Front Speaker Output (+)

A3

L-BU

115

Right Rear Speaker Output (-)

A4

D-BU

46

Right Rear Speaker Output (+)

A5

BN

199

Left Rear Speaker Output (+)

A6

YE

116

Left Rear Speaker Output (-)

A7

L-GN

200

Right Front Speaker Output (+)

A8

D-GN

117

Right Front Speaker Output (-)

A9-A10

--

--

Not Used

A11

BK/WH

151

Ground

A12

BK/WH

151

Ground

B1

OG

1140

Battery Positive Voltage

B2

OG

1140

Battery Positive Voltage

B3-B5

--

--

Not Used

B6

PK

314

Radio On Signal

B7

GY

8

Instrument Panel Lamp Supply Voltage

B8

BN

9

Park Lamp Supply Voltage

B9

--

--

Not Used

B10

D-GN

5060

Low Speed GMLAN Serial Data

B11

YE

343

Accessory Voltage

B12

--

--

Not Used

Radio C2 (UE1/U2K)


Object Number: 73151  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

YE/BK

693

Cellular Telephone Mute Signal (UE1)

B

D-GN

5060

Low Speed GMLAN Serial Data

C-G

--

--

Not Used

H

D-GN/WH

368

Remote Radio Right Audio Signal

J

BN/WH

367

Remote Radio Left Audio Signal

K

BK/WH

372

Remote Radio Audio Output (-)

L

OG/BK

2061

Cellular Telephone Voice Low Reference (UE1)

M

PK/BK

2062

Cellular Telephone Voice Signal (UE1)

Speaker - LF Door (U79/UX7)


Object Number: 280768  Size: CH

Connector Part Information

    • 12052832
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

L-BU

1957

Left Front Speaker Output (+)

B

D-BU

1857

Left Front Speaker Output (-)

Speaker - LF Door (UZ6)


Object Number: 280768  Size: CH

Connector Part Information

    • 12052832
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

D-BU

1857

Left Front Speaker Output (-)

B

L-BU

1957

Left Front Speaker Output (+)

Speaker - LF Door Tweeter (UZ6)


Object Number: 280768  Size: CH

Connector Part Information

    • 12052832
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

L-BU

1957

Left Front Speaker Output (+)

B

D-BU

1857

Left Front Speaker Output (-)

Speaker - LR (U79/UX7)


Object Number: 280768  Size: CH

Connector Part Information

    • 12052832
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BN

199

Left Rear Speaker Output (+)

B

YE

116

Left Rear Speaker Output (-)

Speaker - LR (UZ6)


Object Number: 280768  Size: CH

Connector Part Information

    • 12052832
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

L-GN/BK

1794

Left Subwoofer Speaker Output (-)

B

D-BU/WH

346

Left or Rear Subwoofer Speaker Output (+)

Speaker - RF Door (U79/UX7)


Object Number: 280768  Size: CH

Connector Part Information

    • 12052832
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

D-GN

117

Right Front Speaker Output (-)

B

L-GN

200

Right Front Speaker Output (+)

Speaker - RF Door (UZ6)


Object Number: 280768  Size: CH

Connector Part Information

    • 12052832
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

D-GN

1953

Right Front Speaker Output (+)

B

OG

1853

Right Front Speaker Output (-)

Speaker - RF Door Tweeter (UZ6)


Object Number: 280768  Size: CH

Connector Part Information

    • 12052832
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

D-GN

1953

Right Front Speaker Output (+)

B

OG

1853

Right Front Speaker Output (-)

Speaker - RR (U79/UX7)


Object Number: 280768  Size: CH

Connector Part Information

    • 12052832
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

D-BU

46

Right Rear Speaker Output (+)

B

L-BU

115

Right Rear Speaker Output (-)

Speaker - RR (UZ6)


Object Number: 280768  Size: CH

Connector Part Information

    • 12052832
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

L-BU/BK

315

Right Subwoofer Speaker Output (-)

B

D-GN

1795

Right Subwoofer Speaker Output (+)