GM Service Manual Online
For 1990-2009 cars only
Table 1: Radio (w/o UL5)
Table 2: Speaker - LF (w/o UL5)
Table 3: Speaker - LF Tweeter (UM6/UM7/U1C)
Table 4: Speaker - LR
Table 5: Speaker - RF (w/o UL5)
Table 6: Speaker - RF Tweeter (UM6/UM7/U1C)
Table 7: Speaker - RR

Radio (w/o UL5)


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

Radio Class 2 Serial Data

A2-A7

--

--

Not Used

A8

TN

201

Left Front Speaker Output (+)

A9

GY

118

Left Front Speaker Output (-)

A10

L-BU

115

Right Rear Speaker Output (-)

A11

D-BU

46

Right Rear Speaker Output (+)

A12

BK/WH

1451

Ground

B1

OG

1140

Battery Positive Voltage

B2-B3

--

--

Not Used

B4

GY

8

Instrument Panel Lamp Supply Voltage - 1

B5-B7

--

--

Not Used

B8

BN

199

Left Rear Speaker Output (+)

B9

YE

116

Left Rear Speaker Output (-)

B10

D-GN

117

Right Front Speaker Output (-)

B11

L-GN

200

Right Front Speaker Output (+)

B12

PU/WH

1382

LED Dimming Signal

Speaker - LF (w/o UL5)


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 Tweeter (UM6/UM7/U1C)


Object Number: 766913  Size: CH

Connector Part Information

    • 12052833
    • 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 - 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

YE

116

Left Rear Speaker Output (-)

B

BN

199

Left Rear Speaker Output (+)

Speaker - RF (w/o UL5)


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 Tweeter (UM6/UM7/U1C)


Object Number: 766913  Size: CH

Connector Part Information

    • 12052833
    • 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 - 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

L-BU

115

Right Rear Speaker Output (-)

B

D-BU

46

Right Rear Speaker Output (+)