GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Generic 🢒 2005 🢒 Unit Repair 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T40-E/4T45-E 🢒 Entertainment Connector End Views
Table 1: Antenna Amplifier Module
Table 2: Audio Amplifier C1 (U85)
Table 3: Audio Amplifier C2 (U85)
Table 4: Digital Radio Receiver (U2K)
Table 5: Inflatable Restraint Steering Wheel Module Coil C3
Table 6: Radio C1 (UZ6)
Table 7: Radio C1 (U85)
Table 8: Radio C2 (U2K/UE1)
Table 9: Speaker - LF Door (UZ6)
Table 10: Speaker - LF Door (U85)
Table 11: Speaker - LF Door Tweeter (UZ6)
Table 12: Speaker - LF Door Tweeter (U85)
Table 13: Speaker - LR (UZ6)
Table 14: Speaker - LR (U85)
Table 15: Speaker - RF Door (UZ6)
Table 16: Speaker - RF Door (U85)
Table 17: Speaker - RF Door Tweeter (UZ6)
Table 18: Speaker - RF Door Tweeter (U85)
Table 19: Speaker - RR (UZ6)
Table 20: Speaker - RR (U85)
Table 21: Steering Wheel Controls - Left (UK3)
Table 22: Steering Wheel Controls - Right (UK3)

Antenna Amplifier Module


Object Number: 1459093 Size: CH

Connector Part Information
    • 12158481
    • 1-Way F Positive Lock 187 Series (WH)

Pin

Wire Color

Circuit No.

Function

1

PK

5165

Antenna 14-Volt Switched Supply Voltage

Audio Amplifier C1 (U85)


Object Number: 73158 Size: CH

Connector Part Information
    • 15357040
    • 8-Way F Metri-Pack 280 Series (L-GY)

Pin

Wire Color

Circuit No.

Function

A

L-GN

200

Right Front Speaker Output (+)

B

D-GN

117

Right Front Speaker Output (-)

C

GY

118

Left Front Speaker Output (-)

D

TN

201

Left Front Speaker Output (+)

E

RD/WH

1840

Battery Positive Voltage

F

BK

1250

Ground

G

D-BU/WH

346

Left Rear Subwoofer Speaker Output (+)

H

L-GN/BK

1794

Left Rear Subwoofer Speaker Output (-)

Audio Amplifier C2 (U85)


Object Number: 73156 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A1-A2

--

--

Not Used

A3

PK

5165

Antenna 14-Volt Switched Supply Voltage

A4

BN/WH

599

Left Rear Low Level Audio Signal (+)

A5

BN

1999

Left Rear Low Level Audio Signal (-)

A6

D-GN

1947

Left Front Low Level Audio Signal (-)

A7

TN

511

Left Front Low Level Audio Signal (+)

A8

OG

5748

Amplifier Mute

A9

D-BU

46

Right Rear Speaker Output (+)

A10

L-BU

115

Right Rear Speaker Output (-)

A11

BN

199

Left Rear Speaker Output (+)

A12

YE

116

Left Rear Speaker Output (-)

B1

L-GN/BK

1794

Left Rear Subwoofer Speaker Output (-)

B2

D-BU/WH

346

Left Rear Subwoofer Speaker Output (+)

B3

--

--

Not Used

B4

TN

1946

Right Rear Low Level Audio Signal (-)

B5

D-BU

546

Right Rear Low Level Audio Signal (+)

B6

D-GN

512

Right Front Low Level Audio Signal (+)

B7

L-GN/BK

1948

Right Front Low Level Audio Signal (-)

B8

--

--

Not Used

B9

TN

1856

Left Front Tweeter Speaker Output (+)

B10

YE

1956

Left Front Tweeter Speaker Output (-)

B11

L-GN

1852

Right Front Tweeter Speaker Output (+)

B12

PU

1952

Right Front Tweeter Speaker Output (-)

Digital Radio Receiver (U2K)


Object Number: 850856 Size: CH

Connector Part Information
    • 15416970
    • 16-Way F Micro-Pack 64 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 GMLAN Serial Data

6

D-GN

5060

Low Speed GMLAN Serial Data

7-8

--

--

Not Used

9

BK

1050

Ground

10

TN/WH

372

Audio Common

11

BARE

814

Drain Wire

12-15

--

--

Not Used

16

RD/WH

1240

Battery Positive Voltage

Inflatable Restraint Steering Wheel Module Coil C3


Object Number: 845610 Size: CH

Connector Part Information
    • 15393433
    • 10-Way F Micro-Pack 64 Series (BK)

Pin

Wire Color

Circuit No.

Function

A-B

--

--

Not Used

C

PK

339

Ignition 1 Voltage

D

GY

1884

Cruise Control Switch Signal

E

D-BU

1796

Steering Wheel Controls Signal (UK3)

F

WH/BK

644

10-Volt Reference (UK3)

G

GY

8

Instrument Panel Lamp Supply Voltage

H

--

--

Not Used

J

TN

28

Horn Relay Control

K

BK/WH

651

Ground

Radio C1 (UZ6)


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

D-BU

1796

Steering Wheel Controls Signal (UK3)

A10

WH/BK

644

10-Volt Reference (UK3)

A11

--

--

Not Used

A12

BK/WH

651

Ground

B1

RD/WH

340

Battery Positive Voltage

B2-B5

--

--

Not Used

B6

PK

5165

Antenna 14-Volt Switched Supply Voltage

B7-B8

--

--

Not Used

B9

D-GN

5060

Low Speed GMLAN Serial Data

B10

D-GN

5060

Low Speed GMLAN Serial Data

B11- B12

--

--

Not Used

Radio C1 (U85)


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

D-GN

1947

Left Front Low Level Audio Signal (-)

A2

TN

511

Left Front Low Level Audio Signal (+)

A3

TN

1946

Right Rear Low Level Audio Signal (-)

A4

D-BU

546

Right Rear Low Level Audio Signal (+)

A5

BN/WH

599

Left Rear Low Level Audio Signal (+)

A6

BN

1999

Left Rear Speaker Output (-)

A7

D-GN

512

Right Front Low Level Audio Signal (+)

A8

L-GN

1948

Right Front Low Level Audio Signal (-)

A9

D-BU

1796

Steering Wheel Controls Signal (UK3)

A10

WH/BK

644

10-Volt Reference (UK3)

A11

--

--

Not Used

A12

BK/WH

651

Ground

B1

RD/WH

340

Battery Positive Voltage

B2

--

--

Not Used

B3

OG

5748

Amplifier Mute (U85)

B4-B5

--

--

Not Used

B6

PK

5165

Antenna 14-Volt Switched Supply Voltage

B7-B8

--

--

Not Used

B9

D-GN

5060

Low Speed GMLAN Serial Data

B10

D-GN

5060

Low Speed GMLAN Serial Data

B11- B12

--

--

Not Used

Radio C2 (U2K/UE1)


Object Number: 73151 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A-G

--

--

Not Used

H

D-GN/WH

368

Right Audio Signal (+) (U2K)

J

BN/WH

367

Left Audio Signal (+) (U2K)

K

TN/WH

372

Audio Common (U2K)

L

OG/BK

2061

Cellular Telephone Voice Low Reference (UE1)

M

PK/BK

2062

Cellular Telephone Voice Signal (UE1)

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

GY

118

Left Front Speaker Output (-)

B

TN

201

Left Front Speaker Output (+)

Speaker - LF Door (U85)


Object Number: 130724 Size: CH

Connector Part Information
    • 12064869
    • 2-Way F Metri-Pack 150 Series (BU)

Pin

Wire Color

Circuit No.

Function

A

GY

118

Left Front Speaker Output (-)

B

TN

201

Left Front Speaker Output (+)

Speaker - LF Door Tweeter (UZ6)


Object Number: 766913 Size: CH

Connector Part Information
    • 12065651
    • 2-Way M Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

GY

118

Left Front Speaker Output (-)

B

TN

201

Left Front Speaker Output (+)

Speaker - LF Door Tweeter (U85)


Object Number: 766913 Size: CH

Connector Part Information
    • 12065651
    • 2-Way M Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

YE

1956

Left Front Tweeter Speaker Output (-)

B

TN

1856

Left Front Tweeter 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

YE

116

Left Rear Speaker Output (-)

B

BN

199

Left Rear Speaker Output (+)

Speaker - LR (U85)


Object Number: 130637 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

YE

116

Left Rear Speaker Output (-)

B

BN

199

Left Rear Speaker Output (+)

C

L-GN/BK

1794

Left Rear Subwoofer Speaker Output (-)

D

D-BU/WH

346

Left Rear Subwoofer 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

117

Right Front Speaker Output (-)

B

L-GN

200

Right Front Speaker Output (+)

Speaker - RF Door (U85)


Object Number: 130724 Size: CH

Connector Part Information
    • 12064869
    • 2-Way F Metri-Pack 150 Series (BU)

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 Tweeter (UZ6)


Object Number: 766913 Size: CH

Connector Part Information
    • 12065651
    • 2-Way M 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 Tweeter (U85)


Object Number: 766913 Size: CH

Connector Part Information
    • 12065651
    • 2-Way M Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

PU

1952

Right Front Tweeter Speaker Output (-)

B

L-GN

1852

Right Front Tweeter 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

115

Right Rear Speaker Output (-)

B

D-BU

46

Right Rear Speaker Output (+)

Speaker - RR (U85)


Object Number: 130637 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

L-BU

115

Right Rear Speaker Output (-)

B

D-BU

46

Right Rear Speaker Output (+)

C

L-GN/BK

1794

Right Rear Subwoofer Speaker Output (-)

D

D-BU/WH

346

Right Rear Subwoofer Speaker Output (+)

Steering Wheel Controls - Left (UK3)


Object Number: 605507 Size: CH

Connector Part Information
    • 50-57-9406
    • 6-Way F Molex (BK)

Pin

Wire Color

Circuit No.

Function

1

L-GN

1011

Remote Radio Control Signal

2

GY

8

Instrument Panel Lamps Supply Voltage

3

BK/WH

651

Ground

4

D-BU

1796

Steering Wheel Controls Signal

5

PK

339

Ignition 1 Voltage

6

GY/WH

397

Cruise Control On Switch Signal

Steering Wheel Controls - Right (UK3)


Object Number: 1333392 Size: CH

Connector Part Information
    • 50-57-9407
    • 7-Way F Molex (BK)

Pin

Wire Color

Circuit No.

Function

1

WH

644

10-Volt Reference

2

GY

8

Instrument Panel Lamps Supply Voltage

3

BK/WH

651

Ground

4

D-BU

1796

Steering Wheel Controls Signal

5

L-GN

1011

Remote Radio Control Signal

6

GY/WH

397

Cruise Control On Switch Signal

7

GY/BK

1884

Cruise Control Switch Signal