GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2006 🢒 Lucerne 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T80-E 🢒 Automatic Transmission Internal Connector End Views
Connector 1: 1-2 Shift Solenoid (SS) Valve, Wiring Harness Side
Connector 2: 2-3 Shift Solenoid (SS) Valve, Wiring Harness Side
Connector 3: Automatic Transmission Input Shaft Speed Sensor (AT ISS), Wiring Harness Side
Connector 4: Inline, Automatic Transmission Wiring Extension Harness Assembly Side
Connector 5: Inline, Automatic Transmission Wiring Harness Assembly Side
Connector 6: Internal Mode Switch (IMS), Wiring Harness Side
Connector 7: Pressure Control (PC) Solenoid Valve, Wiring Harness Side
Connector 8: Torque Converter Clutch Pulse Width Modulated (TCC PWM) Solenoid Valve, Wiring Harness Side
Connector 9: Transmission Fluid Temperature (TFT) Sensor, Wiring Harness Side

1-2 Shift Solenoid (SS) Valve, Wiring Harness Side
Object Number: 168428 Size: CH

Connector Part Information

  • OEM: 15473844
  • Service: See Catalog
  • Description: Connector 2-Way F Metri-Pack 150.2 Series (GN)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

1-2 Shift Solenoid (SS) Valve, Wiring Harness Side

Pin

Wire Color

Circuit No.

Function

A

RD

539

Ignition 1 Voltage

B

L-GN

1222

Shift Solenoid Valve Control A

2-3 Shift Solenoid (SS) Valve, Wiring Harness Side
Object Number: 168428 Size: CH

Connector Part Information

  • OEM: 15473845
  • Service: See Catalog
  • Description: Connector 2-Way F Metri-Pack 150.2 Series (BU)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

2-3 Shift Solenoid (SS) Valve, Wiring Harness Side

Pin

Wire Color

Circuit No.

Function

A

RD

539

Ignition 1 Voltage

B

YE

1223

Shift Solenoid Valve Control B

Automatic Transmission Input Shaft Speed Sensor (AT ISS), Wiring Harness Side
Object Number: 333035 Size: CH

Connector Part Information

  • OEM: 12047781
  • Service: See Catalog
  • Description: Connector 3-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Automatic Transmission Input Shaft Speed Sensor (AT ISS), Wiring Harness Side

Pin

Wire Color

Circuit No.

Function

A

BK

1230

AT ISS High Signal

B

--

--

Not Used

C

D-GN

1231

AT ISS Low Signal

Inline, Automatic Transmission Wiring Extension Harness Assembly Side
Object Number: 603056 Size: CH

Connector Part Information

  • OEM: 15324056
  • Service: See Catalog
  • Description: Connector 10-Way M Metri-Pack 150 Series (BU)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Inline, Automatic Transmission Wiring Extension Harness Assembly Side

Pin

Wire Color

Circuit No.

Function

A

RD

539

Ignition 1 Voltage

B

L-GN

1222

Shift Solenoid Valve Control A

C

YE

1223

Shift Solenoid Valve Control B

D

BU/WH

772

Transmission Range Switch Signal B

E

BK/WH

1551

Ground

F

YE/BK

773

Transmission Range Switch Signal C

G

GY/WH

776

Transmission Range Switch Signal P

H

RD/BK

771

Transmission Range Switch Signal A

J

BK

1786

Park/Neutral Signal

K

--

--

Not Used

Inline, Automatic Transmission Wiring Harness Assembly Side
Object Number: 603055 Size: CH

Connector Part Information

  • OEM: 15324054
  • Service: See Catalog
  • Description: Connector 10-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Inline, Automatic Transmission Wiring Harness Assembly Side

Pin

Wire Color

Circuit No.

Function

A

RD

539

Ignition 1 Voltage

B

L-GN

1222

Shift Solenoid Valve Control A

C

YE

1223

Shift Solenoid Valve Control B

D

BU/WH

772

Transmission Range Switch Signal B

E

BK/WH

1551

Ground

F

YE/BK

773

Transmission Range Switch Signal C

G

GY/WH

776

Transmission Range Switch Signal P

H

RD/BK

771

Transmission Range Switch Signal A

J

BK

1786

Park/Neutral Signal

K

--

--

Not Used

Internal Mode Switch (IMS), Wiring Harness Side
Object Number: 73215 Size: CH

Connector Part Information

  • OEM: 15480750
  • Service: See Catalog
  • Description: Connector 6-Way F Metri-Pack 150.2 Series (NA)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Internal Mode Switch (IMS), Wiring Harness Side

Pin

Wire Color

Circuit No.

Function

A

BK

1786

Park/Neutral Signal

B

BU/WH

772

Transmission Range Switch Signal B

C

BK/WH

1551

Ground

D

YE/BK

773

Transmission Range Switch Signal C

E

GY/WH

776

Transmission Range Switch Signal P

F

RD/BK

771

Transmission Range Switch Signal A

Pressure Control (PC) Solenoid Valve, Wiring Harness Side
Object Number: 168421 Size: CH

Connector Part Information

  • OEM: 15467085
  • Service: See Catalog
  • Description: Connector 2-Way F Metri-Pack 150.2 Series (L-GY)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Pressure Control (PC) Solenoid Valve, Wiring Harness Side

Pin

Wire Color

Circuit No.

Function

A

PU

1228

PC Solenoid Valve High Control

B

L-BU

1229

PC Solenoid Valve Low Control

Torque Converter Clutch Pulse Width Modulated (TCC PWM) Solenoid Valve, Wiring Harness Side
Object Number: 168428 Size: CH

Connector Part Information

  • OEM: 15473845
  • Service: See Catalog
  • Description: Connector 2-Way F Metri-Pack 150.2 Series (BU)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Torque Converter Clutch Pulse Width Modulated (TCC PWM) Solenoid Valve, Wiring Harness Side

Pin

Wire Color

Circuit No.

Function

A

WH

539

Ignition 1 Voltage

B

TN

418

TCC PWM Solenoid Valve Control

Transmission Fluid Temperature (TFT) Sensor, Wiring Harness Side
Object Number: 168428 Size: CH

Connector Part Information

  • OEM: 15473843
  • Service: See Catalog
  • Description: Connector 2-Way F Metri-Pack 150.2 Series (NA)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Transmission Fluid Temperature (TFT) Sensor, Wiring Harness Side

Pin

Wire Color

Circuit No.

Function

A

BN

1227

TFT Sensor Signal

B

GY

2762

Low Reference