GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 Express - AWD 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Entertainment/Communication Connector End Views
Connector 1: Radio
Connector 2: Speaker - Left Front Door
Connector 3: Speaker - Left Rear (Passenger/Cargo)
Connector 4: Speaker - Left Rear Door (UB1/UC6)
Connector 5: Speaker - Right Front Door
Connector 6: Speaker - Right Rear (Passenger/Cargo)
Connector 7: Speaker - Right Rear Door (UB1/UC6)

Radio
Object Number: 73156 Size: CH

Connector Part Information

  • OEM: 12110088
  • Service: 15306210
  • Description: 24-Way F Micro-Pack 100 Series (GY)

Terminal Part Information

  • Terminal/Tray: 12146448/19
  • Core/Insulation Crimp: Pins A1, A3, A6, A8, A9, A12, B1, B7, B10, B11 - E/C
  • Core/Insulation Crimp: Pins A10, A11, B8, B9 - E/A
  • Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)

Radio

Pin

Wire Color

Circuit No.

Function

A1

OG

1044

Class 2 Serial Data

A2-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 (-) (Passenger/Cargo)

A11

TN

1855

Right Rear Midrange Speaker Output (+) (Passenger/Cargo)

A12

BK/WH

351

Ground

B1

RD/WH

340

Battery Positive Voltage

B2-B7

--

--

Not Used

B8

TN

1859

Left Rear Midrange Speaker Output (+) (Passenger/Cargo)

B9

WH

1959

Left Rear Midrange Speaker Output (-) (Passenger/Cargo)

B10

D-GN

1953

Right Front Midrange Speaker Output (-)

B11

OG

1853

Right Front Midrange Speaker Output (+)

B12

--

--

Not Used

Speaker - Left Front Door
Object Number: 280768 Size: CH

Connector Part Information

  • OEM: 12052832
  • Service: 12101825
  • Description: 2-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12047767/2
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Speaker - Left Front Door

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 - Left Rear (Passenger/Cargo)
Object Number: 280768 Size: CH

Connector Part Information

  • OEM: 12052832
  • Service: 12101825
  • Description: 2-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12047767/2
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Speaker - Left Rear (Passenger/Cargo)

Pin

Wire Color

Circuit No.

Function

A

WH

1959

Left Rear Midrange Speaker Output (-)

B

TN

1859

Left Rear Midrange Speaker Output (+)

Speaker - Left Rear Door (UB1/UC6)
Object Number: 280768 Size: CH

Connector Part Information

  • OEM: 12052832
  • Service: 12101825
  • Description: 2-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12047767/2
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Speaker - Left Rear Door (UB1/UC6)

Pin

Wire Color

Circuit No.

Function

A

WH

1959

Left Rear Midrange Speaker Output (-)

B

TN

1859

Left Rear Midrange Speaker Output (+)

Speaker - Right Front Door
Object Number: 280768 Size: CH

Connector Part Information

  • OEM: 12052832
  • Service: 12101825
  • Description: 2-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12047767/2
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Speaker - Right Front Door

Pin

Wire Color

Circuit No.

Function

A

D-GN

1953

Right Front Midrange Speaker Output (-)

B

OG

1853

Right Front Midrange Speaker Output (+)

Speaker - Right Rear (Passenger/Cargo)
Object Number: 280768 Size: CH

Connector Part Information

  • OEM: 12052832
  • Service: 12101825
  • Description: 2-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12047767/2
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Speaker - Right Rear (Passenger/Cargo)

Pin

Wire Color

Circuit No.

Function

A

OG

1955

Right Rear Midrange Speaker Output (-)

B

TN

1855

Right Rear Midrange Speaker Output (+)

Speaker - Right Rear Door (UB1/UC6)
Object Number: 280768 Size: CH

Connector Part Information

  • OEM: 12052832
  • Service: 12101825
  • Description: 2-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12047767/2
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Speaker - Right Rear Door (UB1/UC6)

Pin

Wire Color

Circuit No.

Function

A

OG

1955

Right Rear Midrange Speaker Output (-)

B

TN

1855

Right Rear Midrange Speaker Output (+)