GM Service Manual Online
For 1990-2009 cars only
Table 1: Radio - C1
Table 2: Radio - C2 (UE1)
Table 3: Rear Seat Audio (RSA) Control (UK6)
Table 4: Speaker - LF Door
Table 5: Speaker - LR Door (UB1/UC6)
Table 6: Speaker - LR
Table 7: Speaker - RF Door
Table 8: Speaker - RR Door (UB1/UC6)
Table 9: Speaker - RR

Radio - C1


Object Number: 73156  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A1

OG

1044

Class 2 Serial Data

A2

--

--

Not Used

A3

PU

493

Rear Seat Audio Enable Signal (UK6)

A4-A5

--

--

Not Used

A6

PU

1375

Remote Radio Control Supply Voltage (UK6)

A7

--

--

Not Used

A8

D-BU

1857

Left Front Midrange Speaker Output (+)

A9

L-BU

1957

Left Front Midrange Speaker Output (-)

A10

OG

1955

Right Rear Midrange Speaker Output (-)

A11

TN

1855

Right Rear Midrange Speaker Output (+)

A12

BK/WH

351

Ground

B1

RD/WH

340

Battery Positive Voltage

B2-B6

--

--

Not Used

B7

L-GN

1011

Remote Radio Control Signal (UK6)

B8

TN

1859

Left Rear Midrange Speaker Output (+)

B9

WH

1959

Left Rear Midrange Speaker Output (-)

B10

D-GN

1953

Right Front Midrange Speaker Output (-)

B11

OG

1853

Right Front Midrange Speaker Output (+)

B12

--

--

Not Used

Radio - C2 (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-K

--

--

Not Used

L

L-BU/BK

659

Cellular Telephone Voice Low Reference

M

D-BU

658

Cellular Telephone Voice Signal

Rear Seat Audio (RSA) Control (UK6)


Object Number: 744296  Size: CH

Connector Part Information

    • 12110259
    • 16-Way F Micro-Pack 100 Series (GN)

Pin

Wire Color

Circuit No.

Function

A1

OG

1955

Right Rear Midrange Speaker Output (-)

A2

TN

1855

Right Rear Midrange Speaker Output (+)

A3

WH

1959

Left Rear Midrange Speaker Output (-)

A4

TN

1859

Left Rear Midrange Speaker Output (+)

A5

L-GN

1011

Remote Radio Control Signal

A6-A7

--

--

Not Used

A8

PU

1375

Remote Radio Control Supply Voltage

B1

OG

1955

Right Rear Midrange Speaker Output (-)

B2

TN

1855

Right Rear Midrange Speaker Output (+)

B3

WH

1959

Left Rear Midrange Speaker Output (-)

B4

TN

1859

Left Rear Midrange Speaker Output (+)

B5

PU

493

Rear Seat Audio Enable Signal

B6

BK/WH

351

Ground

B7

--

--

Not Used

B8

BN/WH

230

Instrument Panel Lamps Dimming Control

Speaker - LF Door


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 Midrange Speaker Output (-)

B

D-BU

1857

Left Front Midrange Speaker Output (+)

Speaker - LR Door (UB1/UC6)


Object Number: 280768  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

WH

1959

Left Rear Midrange Speaker Output (-)

B

TN

1859

Left Rear Midrange Speaker Output (+)

Speaker - LR


Object Number: 280768  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

WH

1959

Left Rear Midrange Speaker Output (-)

B

TN

1859

Left Rear Midrange Speaker Output (+)

Speaker - RF Door


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 Midrange Speaker Output (-)

B

OG

1853

Right Front Midrange Speaker Output (+)

Speaker - RR Door (UB1/UC6)


Object Number: 280768  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

OG

1955

Right Rear Midrange Speaker Output (-)

B

TN

1855

Right Rear Midrange Speaker Output (+)

Speaker - RR


Object Number: 280768  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

OG

1955

Right Rear Midrange Speaker Output (-)

B

TN

1855

Right Rear Midrange Speaker Output (+)