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
Table 3: Automatic Transmission Input Shaft Speed (A/T ISS) Sensor Connector

Inline Harness Connector C103, Engine Side


Object Number: 68781  Size: CH

Connector Part Information

    • 12160490
    • 20MF Micro-Pack 100W SLD
    • (GRY)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

1222

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

B

YEL/BLK

1223

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

C

RED/BLK

1228

Pressure Control Solenoid (PC Sol.) Valve HIGH

D

LT BLU/WHT

1229

PC Sol. Valve LOW

E

PNK

1020

Fuse Output - Type III Fuse (Off, Run, Crank)

L

YEL/BLK

1227

Transmission Fluid Temperature (TFT) Sensor HIGH

M (Gas)

BLK

470

Sensor Ground

M (Diesel)

BLK

452

Sensor Ground

N

PNK

1224

Range Signal A

P

RED

1226

Range Signal C

R

DK BLU

1225

Range Signal B

S

BRN

418

Torque Converter Clutch Solenoid (TCC Sol.) Valve Control

Inline Harness Connector C103, Transmission Side


Object Number: 13270  Size: CH

Connector Part Information

    • 12146483
    • 20M Micro-Pack 100W SLD
    • (GRY)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

1222

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

B

YEL

1223

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

C

PPL

1228

Pressure Control Solenoid (PC Sol.) Valve HIGH

D

LT BLU

1229

PC Sol. Valve LOW

E

RED

839

Fuse Output - Type III Fuse (Off, Run, Crank)

L

BRN

1227

Transmission Fluid Temperature (TFT) Sensor HIGH

M

GRY

452

Sensor Ground

N

PNK

1224

Range Signal A

P

ORN

1226

Range Signal C

R

DK BLU

1225

Range Signal B

S

BLK

418

Torque Converter Clutch Solenoid (TCC Sol.) Valve Control

Automatic Transmission Input Shaft Speed (A/T ISS) Sensor Connector


Object Number: 232831  Size: CH

Connector Part Information

    • 12162194
    • ASM 2F M/P 150.2 P2S SLD (BLK)

Pin

Wire Color

Circuit No.

Function

A

RED/BLK

1230

Transmisson Input Speed Sensor Signal Low

B

DK BLU/WHT

1231

Transmisson Input Speed Sensor Signal High