GM Service Manual Online
For 1990-2009 cars only
Table 1: Transmission Side
Table 2: Engine Side

Transmission Side


Object Number: 817690  Size: CH

Connector Part Information

Tab Pin Housing 20-way M (BK) with O-rings

Pin

Wire Color

Circuit No.

Function

1

OG

400

Output Speed Sensor (OSS) High Signal

2

BN

1786

Park/Neutral Signal

3

WH

401

OSS Low Signal

4

GN

1551

Ground

5

GY

898

4-5 Shift Solenoid Valve Control

6

WH

2762

TFT Sensor Low Reference

7

BK

772

Transmission Range Signal B

8

WH

1229

PC Solenoid Valve Low Control

9

BU

1223

2-3 Shift Solenoid Valve Control

10

RD

1227

TFT Sensor Signal

11

GY

776

Transmission Range Signal P

12

--

--

Not Used

13

GN

1228

PC Solenoid Valve High Control

14

BK

1222

1-2 Shift Solenoid Valve Control

15

WH

1231

ISS Low Signal

16

RD

771

Transmission Range Signal A

17

WH

1525

Solenoid Power Supply

18

YE

1230

ISS High Signal

19

BU

773

Transmission Range Signal C

20

YE

422

TCC Solenoid Valve Control

Engine Side


Object Number: 821224  Size: CH

Connector Part Information

Conn 20P F (BK) Locking

Pin

Wire Color

Circuit No.

Function

1

YE

400

Output Shaft Speed Sensor (OSS) High Signal

2

OG/BK

1786

Park/Neutral Signal

3

PU

401

OSS Low Signal

4

BK/WH

1551

Ground

5

PK

898

4-5 Shift Solenoid Valve Control

6

TN

2762

TFT Sensor Low Reference

7

YE

772

Transmission Range Signal B

8

L-BU/WH

1229

PC Solenoid Valve Low Control

9

YE/BK

1223

2-3 Shift Solenoid Valve Control

10

YE/BK

1227

TFT Sensor Signal

11

WH

776

Transmission Range Signal P

12

--

--

Not Used

13

OG/BK

1228

PC Solenoid Valve High Control

14

L-GN

1222

1-2 Shift Solenoid Valve Control

15

D-

BU/WH

1231

ISS Low Signal

16

TN/WH

771

Transmission Range Signal A

17

OG

1525

Solenoid Power Supply

18

OG/BK

1230

ISS High Signal

19

GY

773

Transmission Range Signal C

20

TN/BK

422

TCC Solenoid Valve Control