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: TCC/Stoplamp Switch
Table 4: Vehicle Speed Sensor Buffer (VSSB)

Inline Harness Connector C103, Engine Side


Object Number: 68781  Size: CH

Connector Part Information

    • 12160490
    • 20MF Micro-Pack 100W Series
    • (Gray)

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

TFT Sensor LOW

M (Diesel)

BLK

452

TFT Sensor LOW

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 Series
    • (Gray)

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

TFT Sensor LOW

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: 68719  Size: CH

Connector Part Information

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

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

TCC/Stoplamp Switch


Object Number: 62424  Size: CH

Connector Part Information

    • 12040551
    • 6F M/P 480 (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK GRN/WHT

1135

Brake Transmission Shift Interlock SOL Feed

B

LT GRN

275

Trans Mounted Neutral Safety Switch Output

C

PPL

420

Brake Pedal Switch Output (TCC)

D

BRN

441

Fuse Output - Ign 3 - Type III Fuse

E

ORN

140

Fuse Output - Battery - Type III Fuse

F

WHT

17

Stoplamp Switch Output

Vehicle Speed Sensor


Object Number: 68719  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

PPL/WHT

821

Vehicle Speed Sensor Signal

B

LT GRN/BLK

822

Vehicle Speed Sensor Return

Vehicle Speed Sensor Buffer (VSSB)


Object Number: 62467  Size: CH

Connector Part Information

    • 12066130
    • ASM 9F MIC/P 100 (NAT)

Pin

Wire Color

Circuit No.

Function

7

LT GRN/BLK

442

Fuse Output - Battery - Type II Fuse

8

BLK/WHT

451

Ground

9

PNK

39

Fuse Output - Ign 1 - Type III Fuse

10

YEL/BLK

1827

Brake Control to Cluster SPO Signal

11

--

--

Not Used

12

PPL/WHT

821

Vehicle Speed Sensor Signal

13

BRN

437

Vehicle Speed Signal

14

DK GRN/WHT

817

Vehicle Speed Signal (4000 Pulses Per Mile)

15

DK GRN

389

Vehicle Speed Signal (4000 Pulses Per Mile)