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

Engine Side


Object Number: 529775  Size: CH

Connector Part Information

    • 12160493
    • 20-Way F Micro-Pack 100W Series (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 Controlled Power Feed

D

LT BLU/WHT

1229

PC Solenoid Valve Controlled Ground

E

PNK

739

Transmission Solenoid Power Feed

F

BLK/WHT

771

Internal Mode Switch (IMS) Signal A

G

YEL

772

IMS Signal B

H

GRY

773

IMS Signal C

J

WHT

776

IMS Signal P

K

BLK/WHT

1551

IMS Ground

L

YEL/BLK

1227

Transmission Fluid Temperature (TFT) Sensor Signal

M

BLK

2762

TFT Sensor Ground

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) Signal

T

TAN/BLK

422

Torque Converter Clutch Pulse Width Modulated Solenoid Valve Control

U

PNK

739

Transmission Solenoid Power Feed

V

DK BLU/WHT

1231

AT ISS Ground

W

--

--

Not Used

Transmission Side


Object Number: 553616  Size: CH

Connector Part Information

    • 12191765
    • 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 Controlled Power Feed

D

LT BLU

1229

PC Solenoid Valve Controlled Ground

E

RED

839

Transmission Solenoid Power Feed

F

RED/BLK

771

Internal Mode Switch (IMS) Signal A

G

DK GRN/WHT

772

IMS Signal B

H

YEL/BLK

773

IMS Signal C

J

GRY/WHT

776

IMS Signal P

K

BLK/WHT

1050

IMS Ground

L

BRN

1227

Transmission Fluid Temperature (TFT) Sensor Signal

M

GRY

452

TFT Sensor Ground

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) Signal

T

TAN

418

Torque Converter Clutch Pulse Width Modulated Solenoid Valve Control

U

WHT

1135

Transmission Solenoid Power Feed

V

DK GRN

1231

AT ISS Ground

W

--

--

Not Used