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: Hold 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

BU/WH

--

Input Shaft Speed Sensor Low

2

YE/BK

--

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

YE/BK

--

Input Shaft Speed Sensor Low

2

BU/WH

--

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

GN/WH

--

Reverse Signal

3

BK/WH

--

Ground

4

PK

--

Park/Neutral Signal

5

GN

--

C Signal

6

WH

--

B Signal

7

--

--

Not Used

8

PK

--

PA Signal

9

PK

--

Ignition 1 Voltage

10

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

--

Clutch Pressure Solenoid Control

3

L-BU

--

L-Up Solenoid Control

4

YE/BK

--

Pressure Solenoid Control

5

--

--

Not Used

6

BN/WH

--

Shift Solenoid 4 Control

7

YE/BK

--

Shift Solenoid 2 Control

8

PU

--

Transmission Fluid Temperature Sensor Signal

9

L-BU

--

Clutch Pressure Solenoid Supply Voltage

10

BU

--

L-Up Solenoid Supply Voltage

11

RD

--

Pressure Solenoid Supply Voltage

12

YE/WH

--

Shift Solenoid 5 Control

13

PK

--

Shift Solenoid 3 Control

14

L-GN

--

Shift Solenoid 1 Control

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

YE/BK

--

Pressure Solenoid Control

3

L-BU

--

L-Up Solenoid Control

4

RD

--

Pressure Solenoid Supply Voltage

5

BU

--

L--Up Solenoid Supply Voltage

6

PK

--

Ignition 1 Voltage

7

YE

--

CAN Low

8-10

--

--

Not Used

11

PU

--

Transmission Fluid Temperature Sensor Signal

12

OG/BK

--

Transmission Fluid Temperature Sensor Low Reference

13

BN/WH

--

Shift Solenoid 4 Control

14

PK

--

Shift Solenoid 3 Control

15

YE/BK

--

Shift Solenoid 2 Control

16

L-GN

--

Shift Solenoid 1 Control

17

PU

--

CAN High

18

--

--

Not Used

19

BU

--

Clutch Pressure Solenoid Control

20

--

--

Not Used

21

L-BU

--

Clutch Pressure Solenoid Supply Voltage

22

YE/WH

--

Shift Solenoid 5 Control

23

BK/WH

--

Ground

24

OG

--

Battery Positive Voltage

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) B

Pin

Wire Color

Circuit No.

Function

1-2

--

--

Not Used

3

YE

--

Hold Mode Indicator Control

4

GN/WH

--

Hold Mode Switch Signal

5

YE/BK

--

Output Shaft Speed Sensor Signal Low

6

BU/WH

--

Input Shaft Speed Sensor Signal Low

7

WH

--

B Signal

8

WH

--

A Signal

9-13

--

--

Not Used

14

BU/WH

--

Output Shaft Speed Sensor Signal High

15

GN/WH

--

Vehicle Speed Signal

16

YE/BK

--

Input Shaft Speed Sensor Signal High

17-18

--

--

Not Used

19

PK

--

PA Signal

20

GN

--

C Signal

21

--

--

Not Used

22

L-BU

--

Stop Lamp Switch Signal

23

BU

--

Serial Data

24-26

--

--

Not Used

Hold Mode Switch


Object Number: 1467039  Size: CH

Connector Part Information

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

Hold Mode Switch

Pin

Wire Color

Circuit No.

Function

1

GN/WH

--

Hold Mode Switch Signal

2

BN/WH

--

Illumination Supply Voltage

3

GN

--

Illumination Control

4

BK

--

Ground