GM Service Manual Online
For 1990-2009 cars only
Table 1: AT Inline Harness Connector, Engine Side
Table 2: AT Inline Harness Connector, Transmission Side

AT Inline Harness Connector, Engine Side


Object Number: 684844  Size: CH

Connector Part Information

    • 12160493
    • 20-Way F Micro-Pack 100 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 High Control

D

LT BLU

/WHT

1229

PC Solenoid Valve Low Control

E

PNK

1039

Ignition 1 Voltage

F-K

--

--

Not Used

L

YEL/BLK

1227

Transmission Fluid Temperature (TFT) Sensor Signal

M

WHT/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

DK BLU

1225

TFP Manual Valve Position Switch Signal B

S

RED/BLK

1230

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

T

BRN

418

Torque Convertor Clutch Pulse Width Modulated (TCC PWM) Solenoid Valve Control

U

YEL

657

TCC Release Switch Signal

V

DK BLU

/WHT

1231

AT ISS Low Signal

W

--

--

Not Used

AT Inline Harness Connector, Transmission Side


Object Number: 808696  Size: CH

Connector Part Information

    • 12160782
    • 20-Way M Micro-Pack 100 Series (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

L

BRN

1227

Transmission Fluid Temperature (TFT) 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

DK BLU

1225

TFP Manual Valve Position Switch Signal B

S

BLK

1230

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

T

TAN

418

Torque Convertor Clutch Pulse Width Modulated (TCC PWM) Solenoid Valve Control

U

WHT

1804

TCC Release Switch Signal

V

DK GRN

1231

AT ISS Low Signal