GM Service Manual Online
For 1990-2009 cars only
Table 1: Inline Harness Connector C103, Engine Side
Table 2: Inline Harness Connector C103, Transmission Side

Inline Harness Connector C103, Engine Side


Object Number: 684844  Size: CH

Connector Part Information

    • 12160490
    • 20MF 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

D

LT BLU/WHT

1229

PC Solenoid Valve Controlled Ground

E

PNK

1020

Transmission Solenoid Power

F-K

--

--

Not Used

L

YEL/BLK

1227

Transmission Fluid Temperature (TFT) Sensor Signal

M (Gas)

BLK

2762

(4.3 L, 5.7 L)

TFT Sensor Ground

M (Gas)

BLK

407

(8.1 L)

TFT Sensor Ground

M (Diesel)

BLK

452

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

BRN

418

Torque Converter Clutch (TCC) Solenoid Valve Control

T-W

--

--

Not Used

Inline Harness Connector C103, Transmission Side


Object Number: 539670  Size: CH

Connector Part Information

    • 12146483
    • 20M Micro-Pack 100W 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 Controlled Power

D

LT BLU

1229

PC Solenoid Valve Controlled Ground

E

RED

839

Transmission Solenoid Power

L

BRN

1227

Transmission Fluid Temperature (TFT) 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

418

Torque Converter Clutch (TCC) Solenoid Valve Control