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

Engine Side


Object Number: 684844  Size: CH

Connector Part Information

    • 15305238
    • 20-Way F Micro-Pack 100W Series, Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

1222

1-2 Shift Solenoid Valve Control

B

YEL/BLK

1223

2-3 Shift Solenoid Valve Control

C

RED/BLK

1228

Pressure Control (PC) Solenoid Valve High Control

D

LT BLU/WHT

1229

PC Solenoid Valve Low Control

E

PNK

739

Ignition 1 Voltage

F

BLK/WHT

771

Transmission Range (TR) Switch Signal A

G

YEL

772

TR Switch Signal B

H

GRY

773

TR Switch Signal C

J

WHT

776

TR Switch Signal P

K

BLK

1550

Ground

L

YEL/BLK

1227

Transmission Fluid Temperature Sensor Signal

M

BLK

2762

Low Reference

N

PNK

1224

Transmission Fluid Pressure (TFP) Manual Valve Position Switch Signal A

P

RED

1226

TFP Manual Valve Position Switch Signal C

R

--

--

Not Used

S

RED/BLK

1230

Automatic Transmission Input (Shaft) Speed Sensor (AT ISS) High Signal

T

TAN/BLK

422

Torque Converter Clutch Pulse Width Modulated Solenoid Valve Control

U

PNK

739

Ignition 1 Voltage

V

DK

BLU/WHT

1231

AT ISS Low Signal

W

--

--

Not Used

Transmission Side


Object Number: 553616  Size: CH

Connector Part Information

    • 15317834
    • 20-Way M Micro-Pack 100W Series, Lock Assist/Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

1222

1-2 Shift Solenoid Valve Control

B

YEL

1223

2-3 Shift Solenoid Valve Control

C

PPL

1228

Pressure Control (PC) Solenoid Valve High Control

D

LT BLU

1229

PC Solenoid Valve Low Control

E

RED

839

Ignition 1 Voltage

F

RED/BLK

771

Transmission Range (TR) Switch Signal A

G

DK

GRN/WHT

772

TR Switch Signal B

H

YEL/BLK

773

TR Switch Signal C

J

GRY/WHT

776

TR Switch Signal P

K

BLK/WHT

1050

Ground

L

BRN

1227

Transmission Fluid Temperature Sensor Signal

M

GRY

452

Low Reference

N

PNK

1224

Transmission Fluid Pressure (TFP) Manual Valve Position Switch Signal A

P

ORN

1226

TFP Manual Valve Position Switch Signal C

R

--

--

Not Used

S

BLK

1230

Automatic Transmission Input, Shaft, Speed Sensor (AT ISS) High Signal

T

TAN

418

Torque Converter Clutch Pulse Width Modulated Solenoid Valve Control

U

WHT

1135

Ignition 1 Voltage

V

DK GRN

1231

AT ISS Low Signal

W

--

--

Not Used