GM Service Manual Online
For 1990-2009 cars only

AT Inline Harness 20-way Connector, 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 Solenoid Valve Controlled Power Feed

D

LT BLU/WHT

1229

Pressure Control Solenoid Valve Controlled Ground

E

PNK

1339

Power Feed

F-K

--

--

Not Used

L

YEL/BLK

1227

Transmission Fluid Temperature Sensor Signal

M

BLK

2762

TFT Sensor Ground

N

PNK

1224

TFP Switch Signal A

P

RED

1226

TFP Switch Signal C

R

DK BLU

1225

TFP Switch Signal B

S

RED/BLK

1230

Automatic Transmission Input Shaft Speed Sensor Signal

T

BRN

418

Torque Converter Clutch Pulse Width Modulation Solenoid Valve Control

U

YEL

657

TCC Release Switch Input

V

DK BLU/WHT

1231

Automatic Transmission Input Shaft Speed Sensor Ground

W

--

--

Not Used

AT Inline Harness 20-way Connector, Transmission Side


Object Number: 553616  Size: CH

Connector Part Information

    • 12176566
    • 20 Way M Micro-Pack 100W Lock Assist/Seal (GRY)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

1222

1-2 Shift Solenoid Valve

B

YEL

1223

2-3 Shift Solenoid Valve

C

PPL

1228

Pressure Control Solenoid Valve Controlled Power Feed

D

LT BLU

1229

Pressure Control Solenoid Valve Controlled Ground

E

RED

839

Power Feed

F-K

--

--

Not Used

L

BRN

1227

Transmission Fluid Temperature Sensor Signal

M

GRY

452

TFT Sensor Ground

N

PNK

1224

TFP Switch Signal A

P

ORN

1226

TFP Switch Signal C

R

DK BLU

1225

TFP Switch Signal B

S

BLK

1230

Automatic Transmission Input Shaft Speed Sensor Signal

T

TAN

418

Torque Converter Clutch Pulse Width Modulation Solenoid Valve Control

U

WHT

1804

TCC Release Switch Input

V

DK GRN

1231

Automatic Transmission Input Shaft Speed Sensor Ground

W

--

--

Not Used