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 (BLK) with O-rings

Pin

Wire Color

Circuit No.

Function

1

ORN

400

Output Shaft Speed (OSS) Sensor - High Signal

2

BRN

1786

Park/Neutral Signal

3

WHT

401

Output Shaft Speed (OSS) Sensor - Low Signal

4

GRN

1551

Ground

5

GRY

898

4-5 Shift Solenoid Valve Control

6

WHT

2762

TFT Sensor Low Reference

7

BLK

772

Transmission Range - Signal B

8

WHT

1229

PC Solenoid Valve Low Control

9

BLU

1223

2-3 Shift Solenoid Valve Control

10

RED

1227

TFT Sensor Signal

11

GRY

776

Transmission Range - Signal P

12

--

--

Not Used

13

GRN

1228

PC Solenoid Valve High Control

14

BLK

1222

1-2 Shift Solenoid Valve Control

15

WHT

1231

Automatic Transmission ISS Low Signal

16

RED

771

Transmission Range - Signal A

17

WHT

1525

Solenoid Power Supply

18

YEL

1230

Automatic Transmission ISS High Signal

19

BLU

773

Transmission Range - Signal C

20

YEL

422

TCC Solenoid Valve Control

Engine Side


Object Number: 821224  Size: CH

Connector Part Information

Conn 20P F (BLK) Locking

Pin

Wire Color

Circuit No.

Function

1

YEL

400

Output Shaft Speed (OSS) Sensor - High Signal

2

ORN/BLK

1786

Park/Neutral Signal

3

PPL

401

Output Shaft Speed (OSS) Sensor - Low Signal

4

BLK/WHT

1551

Ground

5

PNK

898

4-5 Shift Solenoid Valve Control

6

TAN

2762

TFT Sensor Low Reference

7

YEL

772

Transmission Range - Signal B

8

LT BLU/WHT

1229

PC Solenoid Valve Low Control

9

YEL/BLK

1223

2-3 Shift Solenoid Valve Control

10

YEL/BLK

1227

TFT Sensor Signal

11

WHT

776

Transmission Range - Signal P

12

--

--

Not Used

13

ORN/BLK

1228

PC Solenoid Valve High Control

14

LT GRN

1222

1-2 Shift Solenoid Valve Control

15

DK

BLU/WHT

1231

Automatic Transmission ISS Low Signal

16

TAN/WHT

771

Transmission Range - Signal A

17

ORN

1525

Solenoid Power Supply

18

ORN/BLK

1230

Automatic Transmission ISS High Signal

19

GRY

773

Transmission Range - Signal C

20

TAN/BLK

422

TCC Solenoid Valve Control