GM Service Manual Online
For 1990-2009 cars only
Connector 1: Input Speed Sensor
Connector 2: Output Speed Sensor
Connector 3: Park/Neutral Position Switch
Connector 4: Transaxle
Connector 5: Transmission Control Module (TCM) A
Connector 6: Transmission Control Module (TCM) (B)
Connector 7: Winter Mode Switch

Input Speed Sensor


Object Number: 1481270  Size: CH

Connector Part Information

  • OEM: YZK 7283-8125-30
  • Service: N/A
  • Description: 2-Way F 090II Type Sealed

Input Speed Sensor

Pin

Wire Color

Circuit No.

Function

1

L-GN/BK

--

Input Shaft Speed Sensor Low

2

PU/WH

--

Input Shaft Speed Sensor High

Output Speed Sensor


Object Number: 1481270  Size: CH

Connector Part Information

  • OEM: YZK 7283-8125-30
  • Service: N/A
  • Description: 2-Way F 090II Type Sealed

Output Speed Sensor

Pin

Wire Color

Circuit No.

Function

1

PU

--

Input Shaft Speed Sensor Low

2

YE

--

Input Shaft Speed Sensor High

Park/Neutral Position Switch


Object Number: 872604  Size: CH

Connector Part Information

  • OEM: YZK 7223-6508-30
  • Service: N/A
  • Description: 10-Way F DMS+RV Sealed

Park/Neutral Position Switch

Pin

Wire Color

Circuit No.

Function

1

PK

--

Ignition 1 Voltage

2

L-GN

--

Reverse Signal

3

BK/WH

--

Ground

4

PK/BK

--

Park/Neutral Signal

5

GY

--

C Signal

6

YE

--

B Signal

7

--

--

Not Used

8

WH

--

PA Signal

9

PK

--

Ignition 1 Voltage

10

BN/WH

--

A Signal

Transaxle


Object Number: 878475  Size: CH

Connector Part Information

  • OEM: YZK 7223-6509-40
  • Service: N/A
  • Description: 14-Way F 050 Sealed

Transaxle

Pin

Wire Color

Circuit No.

Function

1

OG/BK

--

Transmission Fluid Temperature Sensor Low Reference

2

BU/WH

--

Shift Pressure Control Solenoid Control

3

PU/WH

--

TCC Clutch Solenoid Control

4

WH

--

Line Pressure Control Solenoid Control

5

--

--

Not Used

6

WH

--

Shift Solenoid 4 Supply Voltage

7

YE

--

Shift Solenoid 2 Supply Voltage

8

BN/WH

--

Transmission Fluid Temperature Sensor Signal

9

PK/BK

--

Shift Pressure Control Solenoid Supply Voltage

10

GN

--

TCC Clutch Solenoid Supply Voltage

11

BU

--

Line Pressure Control Solenoid Supply Voltage

12

OG/WH

--

Shift Solenoid 5 Supply Voltage

13

WH

--

Shift Solenoid 3 Supply Voltage

14

L-GN

--

Shift Solenoid 1 Supply Voltage

Transmission Control Module (TCM) A


Object Number: 1420769  Size: CH

Connector Part Information

  • OEM: TYCO 1318756-2
  • Service: N/A
  • Description: 24-Way F 025/090III Hybrid Unsealed

Transmission Control Module (TCM) A

Pin

Wire Color

Circuit No.

Function

1

BK/WH

--

Ground

2

WH

--

Line Pressure Control Solenoid Control

3

PU/WH

--

TCC Clutch Solenoid Control

4

BU

--

Line Pressure Control Solenoid Supply Voltage

5

GN

--

TCC Clutch Solenoid Supply Voltage

6

PK

--

Ignition 1 Voltage

7

BN

--

High Speed GMLAN Serial Data (-)

8-10

--

--

Not Used

11

BN/WH

--

Transmission Fluid Temperature Sensor Signal

12

OG/BK

--

Transmission Fluid Temperature Sensor Low Reference

13

WH

--

Shift Solenoid 4 Supply Voltage

14

WH

--

Shift Solenoid 3 Supply Voltage

15

YE/BK

--

Shift Solenoid 2 Supply Voltage

16

L-GN

--

Shift Solenoid 1 Supply Voltage

17

BN/BK

--

High Speed GMLAN Serial Data (+)

18

--

--

Not Used

19

BU/WH

--

Shift Pressure Control Solenoid Control

20

--

--

Not Used

21

PK/BK

--

Shift Pressure Control Solenoid Supply Voltage

22

OG/WH

--

Shift Solenoid 5 Supply Voltage

23

BK/WH

--

Ground

24

OG

--

Battery Positive Voltage (RHD)

RD/WH

--

Battery Positive Voltage (LHD)

Transmission Control Module (TCM) (B)


Object Number: 1830967  Size: CH

Connector Part Information

  • OEM: TYCO 1318757-2
  • Service: N/A
  • Description: 26-Way F 025/090III Hybrid Unsealed

Transmission Control Module (TCM) (X2)

Pin

Wire Color

Circuit No.

Function

1

PU

--

Tap Up Signal

2

--

--

Not Used

3

L-GN

--

Winter Mode Indicator Control

4

L-GN/WH

--

Winter Mode Switch Signal

5

PU

--

Output Shaft Speed Sensor Signal Low

6

L-GN/BK

--

Input Shaft Speed Sensor Signal Low

7

YE

--

B Signal

8

BN/WH

--

A Signal

9

BN

--

Driver Shift Control

10-13

--

--

Not Used

14

YE

--

Output Shaft Speed Sensor Signal High

15

GN

--

Vehicle Speed Signal

GN/WH

--

Vehicle Speed Signal (Holden, RHD Diesel, Euro/Gen)

16

PU/WH

--

Input Shaft Speed Sensor Signal High

17

GN

--

Serial Data

18

BN

--

Tap Down Signal

19

WH

--

PA Signal

20

GY

--

C Signal

21

--

--

Not Used

22

L-BU

--

Stop Lamp Switch Signal

23-26

--

--

Not Used

Winter Mode Switch


Object Number: 1467039  Size: CH

Connector Part Information

  • OEM: KET MG652999
  • Service: N/A
  • Description: 4-Way F 040 Unsealed

Winter Mode Switch

Pin

Wire Color

Circuit No.

Function

1

BK

--

Ground

2

L-GN

--

Winter Mode Switch Signal

3

BN/WH

--

Illumination Control

4

GN

--

Ground