GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2006 🢒 Equinox 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Automatic Transmission Internal Connector End Views
Connector 1: 1-2, 2-3, Reverse Shift Solenoid (S3)
Connector 2: 2-3, 3-4 Shift Solenoid (S2)
Connector 3: 3-4, 4-5 Shift Solenoid (S4)
Connector 4: Automatic Transmission Fluid Temperature (TFT) Sensor
Connector 5: Line Pressure Control Solenoid (SLT)
Connector 6: Reverse, 1st Shift Solenoid (S1)
Connector 7: Reverse Shift Valve Solenoid (S5)
Connector 8: Shift Pressure Control Solenoid (SLS)
Connector 9: Torque Converter Clutch (TCC) Lock Up Pressure Control Solenoid (SLU)

1-2, 2-3, Reverse Shift Solenoid (S3)
Object Number: 1545981 Size: CH

Connector Part Information

  • OEM: Not serviced
  • Service: Not serviced
  • Description: Conn 1-Way F (GY)

Terminal Part Information

  • Terminal: Not serviced
  • Core/Insulation Crimp: Not serviced
  • Release Tool/Test Probe: Not serviced

1-2, 2-3, Reverse Shift Solenoid (S3)

Pin

Wire Color

Circuit No.

Function

1

YE

898

Shift Solenoid Valve 3 High Control

2-3, 3-4 Shift Solenoid (S2)
Object Number: 1545981 Size: CH

Connector Part Information

  • OEM: Not serviced
  • Service: Not serviced
  • Description: Conn 1-Way F (BK)

Terminal Part Information

  • Terminal: Not serviced
  • Core/Insulation Crimp: Not serviced
  • Release Tool/Test Probe: Not serviced

2-3, 3-4 Shift Solenoid (S2)

Pin

Wire Color

Circuit No.

Function

1

BK

1223

Shift Solenoid Valve 2 High Control

3-4, 4-5 Shift Solenoid (S4)
Object Number: 1545981 Size: CH

Connector Part Information

  • OEM: Not serviced
  • Service: Not serviced
  • Description: Conn 1-Way F (BU)

Terminal Part Information

  • Terminal: Not serviced
  • Core/Insulation Crimp: Not serviced
  • Release Tool/Test Probe: Not serviced

3-4, 4-5 Shift Solenoid (S4)

Pin

Wire Color

Circuit No.

Function

1

PU

2879

Shift Solenoid Valve 4 High Control

Automatic Transmission Fluid Temperature (TFT) Sensor
Object Number: 1545988 Size: CH

Connector Part Information

  • OEM: Not serviced
  • Service: Not serviced
  • Description: Conn 2-Way M (BK)

Terminal Part Information

  • Terminal: Not serviced
  • Core/Insulation Crimp: Not serviced
  • Release Tool/Test Probe: Not serviced

Automatic Transmission Fluid Temperature (TFT) Sensor

Pin

Wire Color

Circuit No.

Function

1

OG

585

Transmission Fluid Temperature Sensor Signal

2

OG

586

Transmission Fluid Temperature Sensor Low Reference

Line Pressure Control Solenoid (SLT)
Object Number: 1545985 Size: CH

Connector Part Information

  • OEM: Not serviced
  • Service: Not serviced
  • Description: Conn 2-Way F (BU)

Terminal Part Information

  • Terminal: Not serviced
  • Core/Insulation Crimp: Not serviced
  • Release Tool/Test Probe: Not serviced

Line Pressure Control Solenoid (SLT)

Pin

Wire Color

Circuit No.

Function

1

L/GN

1994

Line Pressure Control Solenoid Valve High Control

2

GY

5510

Line Pressure Control Solenoid Valve Low Control

Reverse, 1st Shift Solenoid (S1)
Object Number: 1545981 Size: CH

Connector Part Information

  • OEM: Not serviced
  • Service: Not serviced
  • Description: Conn 1-Way F (BK)

Terminal Part Information

  • Terminal: Not serviced
  • Core/Insulation Crimp: Not serviced
  • Release Tool/Test Probe: Not serviced

Reverse, 1st Shift Solenoid (S1)

Pin

Wire Color

Circuit No.

Function

1

WH

1222

Shift Solenoid Valve 1 High Control

Reverse Shift Valve Solenoid (S5)
Object Number: 1545981 Size: CH

Connector Part Information

  • OEM: Not serviced
  • Service: Not serviced
  • Description: Conn 1-Way F (BN)

Terminal Part Information

  • Terminal: Not serviced
  • Core/Insulation Crimp: Not serviced
  • Release Tool/Test Probe: Not serviced

Reverse Shift Valve Solenoid (S5)

Pin

Wire Color

Circuit No.

Function

1

L-BU

2527

Shift Solenoid Valve 5 High Control

Shift Pressure Control Solenoid (SLS)
Object Number: 1545985 Size: CH

Connector Part Information

  • OEM: Not serviced
  • Service: Not serviced
  • Description: Conn 2-Way F (GN)

Terminal Part Information

  • Terminal: Not serviced
  • Core/Insulation Crimp: Not serviced
  • Release Tool/Test Probe: Not serviced

Shift Pressure Control Solenoid (SLS)

Pin

Wire Color

Circuit No.

Function

1

RD

2880

Shift Pressure Control Solenoid Valve High Control

2

BU

5508

Shift Pressure Control Solenoid Valve Low Control

Torque Converter Clutch (TCC) Lock Up Pressure Control Solenoid (SLU)
Object Number: 1545985 Size: CH

Connector Part Information

  • OEM: Not serviced
  • Service: Not serviced
  • Description: Conn 2-Way F (BK)

Terminal Part Information

  • Terminal: Not serviced
  • Core/Insulation Crimp: Not serviced
  • Release Tool/Test Probe: Not serviced

Torque Converter Clutch (TCC) Lock Up Pressure Control Solenoid (SLU)

Pin

Wire Color

Circuit No.

Function

1

BN

5509

TCC Pressure Control Solenoid Valve Low Control

2

L-GN

5511

TCC Pressure Control Solenoid Valve High Control