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 (GRY)

Pin

Wire Color

Circuit No.

Function

A1

ORN

1044

Class 2 Serial Data

A2

--

--

Not Used

A3

PPL

493

Rear Seat Audio Enable Signal (UK6)

A4-A5

--

--

Not Used

A6

PPL

1375

Remote Radio Control Supply Voltage (UK6)

A7

--

--

Not Used

A8

DK BLU

1857

Left Front Midrange Speaker Output (+)

A9

LT BLU

1957

Left Front Midrange Speaker Output (-)

A10

ORN

1955

Right Rear Midrange Speaker Output (-)

A11

TAN

1855

Right Rear Midrange Speaker Output (+)

A12

BLK/WHT

351

Ground

B1

RED/WHT

340

Battery Positive Voltage

B2-B6

--

--

Not Used

B7

LT GRN

1011

Remote Radio Control Signal (UK6)

B8

TAN

1859

Left Rear Midrange Speaker Output (+)

B9

WHT

1959

Left Rear Midrange Speaker Output (-)

B10

DK GRN

1953

Right Front Midrange Speaker Output (-)

B11

ORN

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 (BLK)

Pin

Wire Color

Circuit No.

Function

A-K

--

--

Not Used

L

LT BLU/BLK

659

Cellular Telephone Voice Low Reference

M

DK BLU

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 (GRN)

Pin

Wire Color

Circuit No.

Function

A1

ORN

1955

Right Rear Midrange Speaker Output (-)

A2

TAN

1855

Right Rear Midrange Speaker Output (+)

A3

WHT

1959

Left Rear Midrange Speaker Output (-)

A4

TAN

1859

Left Rear Midrange Speaker Output (+)

A5

LT GRN

1011

Remote Radio Control Signal

A6-A7

--

--

Not Used

A8

PPL

1375

Remote Radio Control Supply Voltage

B1

ORN

1955

Right Rear Midrange Speaker Output (-)

B2

TAN

1855

Right Rear Midrange Speaker Output (+)

B3

WHT

1959

Left Rear Midrange Speaker Output (-)

B4

TAN

1859

Left Rear Midrange Speaker Output (+)

B5

PPL

493

Rear Seat Audio Enable Signal

B6

BLK/WHT

351

Ground

B7

--

--

Not Used

B8

BRN/WHT

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 (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

1957

Left Front Midrange Speaker Output (-)

B

DK BLU

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 (BLK)

Pin

Wire Color

Circuit No.

Function

A

WHT

1959

Left Rear Midrange Speaker Output (-)

B

TAN

1859

Left Rear Midrange Speaker Output (+)

Speaker - LR


Object Number: 280768  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

WHT

1959

Left Rear Midrange Speaker Output (-)

B

TAN

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 (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

1953

Right Front Midrange Speaker Output (-)

B

ORN

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 (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN

1955

Right Rear Midrange Speaker Output (-)

B

TAN

1855

Right Rear Midrange Speaker Output (+)

Speaker - RR


Object Number: 280768  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

ORN

1955

Right Rear Midrange Speaker Output (-)

B

TAN

1855

Right Rear Midrange Speaker Output (+)