GM Service Manual Online
For 1990-2009 cars only
Table 1: Transmission Side
Table 2: Automatic Transmission Wiring Harness Assembly 20-way Connector, Engine Side

Transmission Side


Object Number: 29336  Size: CH

Connector Part Information

    • 12160545
    • 20-way F Micro-Pack 100W Series
    • (Gray)

Pin

Wire Color

Circuit No.

Function

A

0.8 LT GRN

1222

1-2 Shift Solenoid (1-2 SS) Valve Control

B

0.8 YEL

1223

2-3 Shift Solenoid (2-3 SS) Valve Control

C

0.8 PPL

1228

Pressure Control Solenoid (PC Sol.) Valve HIGH Control

D

0.8 LT BLU

1229

PC Sol. Valve LOW Control

E

0.8 RED

741

Transmission Solenoid Power

L

0.8 BRN

452

Transmission Fluid Temperature (TFT) Sensor LOW

M

0.8 GRY

1227

TFT Sensor HIGH

N

0.8 PNK

1224

Range Signal A

P

0.8 ORN

1226

Range Signal C

R

0.8 DK BLU

1225

Range Signal B

S

0.8 BLK

1330

AutomaticTransmission Input Shaft Speed (A/T ISS) Sensor HIGH

T

0.8 TAN

422

Torque Converter Clutch Solenoid (TCC Sol.) Valve Control

U

0.8 WHT

420

Torque Converter Clutch Pulse Width Modulation Solenoid (TCC PWM Sol.) Valve Power

V

0.8 GRN

1331

A/T ISS Sensor LOW

Automatic Transmission Wiring Harness Assembly 20-way Connector, Engine Side


Object Number: 29336  Size: CH

Connector Part Information

    • 12146497
    • 20-way F Micro-Pack 100W Series
    • (Gray)

Pin

Wire Color

Circuit No.

Function

A

0.35 LT GRN

1222

1-2 Shift Solenoid (1-2 SS) Valve Control

B

0.35 YEL/BLK

1223

2-3 Shift Solenoid (2-3 SS) Valve Control

C

0.35 RED/BLK

1228

Pressure Control Solenoid (PC Sol.) Valve HIGH Control

D

0.35 LT BLU/WHT

1229

PC Sol. Valve LOW Control

E

0.8 PNK

839

Transmission Solenoid Power

L

0.35 BLK

452

Transmission Fluid Temperature (TFT) Sensor LOW

M

0.35 BLK

1227

TFT Sensor HIGH

N

0.35 PNK

1224

Range Signal A

P

0.35 RED

1226

Range Signal C

R

0.35 DK BLU

1225

Range Signal B

S

0.35 RED/BLK

1330

AutomaticTransmission Input Shaft Speed (A/T ISS) Sensor HIGH

T

0.35 TAN/BLK

422

Torque Converter Clutch Solenoid (TCC Sol.) Valve Control

U

0.8 PNK

839

Torque Converter Clutch Pulse Width Modulation Solenoid (TCC PWM Sol.) Valve Power

V

0.35 DK BLU/WHT

1331

A/T ISS Sensor LOW