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) X1
Connector 6: Transmission Control Module (TCM) (X2)
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

Circuit

Function

1

D-BU

--

Transmission Input Speed Sensor Ground

2

BN/WH

--

Transmission Input Speed Sensor Signal

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

Circuit

Function

1

BN/BK

--

Output Speed Shield Signal

2

PK

--

Output Speed Signal

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

Circuit

Function

1-2

--

--

Not Used

3

BK

--

Ground

4

OG/BK

--

Park/Neutral Signal

5

GY

--

B3 Signal

6

YE

--

B2 Signal

7

--

--

Not Used

8

WH

--

PB Signal

9

BK

--

Ground

10

BN/WH

--

B1 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

Circuit

Function

1

OG/BK

--

Transmission Fluid Temperature Sensor Low Reference

2

GY

--

Shift Relay Coil Control

3

BU/WH

--

TCC Clutch Low Reference

4

WH

--

Main Pressure Solenoid Low Reference

5

--

--

Not Used

6

BU

--

Shift Solenoid Supply Voltage (4)

7

WH

--

Shift Solenoid Supply Voltage (2)

8

BN/WH

--

Transmission Fluid Temperature Sensor Signal

9

BN

--

Shift Solenoid Supply Voltage

10

PK/BK

--

TCC Clutch Solenoid Control

11

BU

--

Main Pressure Solenoid (SLT)

12

PU

--

Shift Solenoid Supply Voltage (5)

13

L-GN

--

Shift Solenoid Supply Voltage (3)

14

OG

--

Shift Solenoid Supply Voltage (1)

Transmission Control Module (TCM) X1


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) X1

Pin

Wire

Circuit

Function

1

BK

--

Ground

2

WH

--

Trans Main Press Solenoid Low Reference

3

D-BU/WH

--

TCC/Clutch Select Solenoid Low Reference

4

D-BU

--

Trans Mainpressure Solenoid (SLT)

5

PK/BK

--

TCC/Clutch Select Solenoid Control

6

RD/WH

--

Battery Positive Voltage

7

BN

--

High Speed GMLAN Serial Data (-)

8

BN

--

High Speed GMLAN Serial Data (-)

9-10

--

--

Not Used

11

BN/WH

--

Trans Oil Temperature Signal

12

OG/BK

--

Oil Temperature Low Reference

13

D-BU

--

Shift Solenoid Supply Volt (4)

14

L-GN

--

Shift Solenoid Supply Volt (3)

15

WH

--

Shift Solenoid Supply Volt (2)

16

OG

--

Shift Solenoid Supply Volt (1)

17

BN/BK

--

High Speed GMLAN Serial Data (+)

18

BN/BK

--

High Speed GMLAN Serial Data (+)

19

GY

--

Shift Relay Coil Control

20

--

--

Not Used

21

BN

--

Shift Solenoid Supply Voltage

22

PU

--

Shift Solenoid Supply Volt (5)

23

BK

--

Ground

24

D-BU

--

Accessory Wakeup Serial Data

Transmission Control Module (TCM) (X2)


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

Circuit

Function

1-4

--

--

Not Used

5

BN/BK

--

Output Speed Shielded Signal

6

D-BU

--

Trans Input Speed Sensor Ground

7

YE

--

Trans PSN Switch B2 Signal

8

BN/WH

--

Trans PSN Switch B1 Signal

9-11

--

--

Not Used

12

BN

--

Brake Fluid Level Sensor Signal

13

--

--

Not Used

14

PK

--

Output Speed Signal

15

--

--

Not Used

16

BN/WH

--

Trans Input Speed Sensor Signal

17-18

--

--

Not Used

19

WH

--

Trans PSN Switch PB Signal

20

GY

--

Trans PSN Switch B3 Signal

21

PK

--

Run/Crank Ignition 1 Voltage

22

L-BU

--

Stop Lamp Supply Voltage

23-26

--

--

Not Used

Winter Mode Switch


Object Number: 1835113  Size: CH

Connector Part Information

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

Winter Mode Switch

Pin

Wire

Circuit

Function

1

L-BU

--

Shift Select Switch Performance Signal

2

BK/WH

--

Ground

3

YE

--

Illumination Control

4

--

--

Not Used