GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1998 🢒 S10 Pickup - 4WD 🢒 Engine 🢒 Engine Electrical 🢒 Engine Controls Connector End Views
Table 1: Camshaft Position (CMP) Sensor Connector
Table 2: Crankshaft Position (CKP) Sensor Connector
Table 3: Engine Coolant Temperature (ECT) Sensor Connector
Table 4: Engine Oil Pressure Gauge Sensor Connector
Table 5: Evaporative (EVAP) Emissions Canister Purge Valve Connector
Table 6: Evaporative (EVAP) Emissions Canister Vent Valve Connector
Table 7: Fuel Tank Pressure Sensor Connector
Table 8: Fuel Pump and Sender Connector
Table 9: Generator Connector (2.2L Engine)
Table 10: Heated Oxygen Sensor (H2OS) Connector, Bank 1 Sensor 1
Table 11: Idle Air Control (IAC) Valve Connector
Table 12: Ignition Control Module (ICM) Connector C1
Table 13: Ignition Control Module (ICM) Connector C2
Table 14: Intake Air Temperature (IAT) Sensor Connector
Table 15: Knock Sensor (KS) Connector
Table 16: Manifold Absolute Pressure (MAP) Sensor Connector
Table 17: Oxygen Sensor Connector, Bank 1 Sensor 1
Table 18: Park/Neutral Position (PNP) Switch Connector C1
Table 19: Park/Neutral Position (PNP) Switch Connector C2
Table 20: Throttle Position (TP) Sensor Connector
Table 21: Vehicle Speed Sensor (VSS) (w/ A/T)
Table 22: Vehicle Speed Sensor (VSS) (w/ M/T)

Camshaft Position (CMP) Sensor Connector


Object Number: 68740 Size: CH

Connector Part Information
    • 12129946
    • 3-Way F Metri-Pack 150 Series, Sealed (MD GRY)

Pin

Wire Color

Circuit No.

Function

A

RED

631

Camshaft Sensor Feed - 12 Volt Reference

B

PNK/BLK

632

Camshaft Position Sensor Return

C

BRN/WHT

633

Camshaft Position Sensor Signal

Crankshaft Position (CKP) Sensor Connector


Object Number: 232831 Size: CH

Connector Part Information
    • 12162194
    • 2-Way F Metri-Pack 150.2 Series, Pull-to-Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

573

Crankshaft Position Sensor Signal

B

PPL

574

Crankshaft Position Sensor Return

Engine Coolant Temperature (ECT) Sensor Connector


Object Number: 232831 Size: CH

Connector Part Information
    • 12162194
    • 2-Way F Metri-Pack 150.2 Series, Pull-to-Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

718

Sensor Return

B

YEL

410

Ignition Switch Output - Accessory

Engine Oil Pressure Gauge Sensor Connector


Object Number: 236480 Size: CH

Connector Part Information
    • 12065299
    • 4-Way F Metri-Pack 150 Series, Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

331

Oil Pressure Sensor Signal

B - D

--

--

Not Used

Evaporative (EVAP) Emissions Canister Purge Valve Connector


Object Number: 35437 Size: CH

Connector Part Information

12052643

2-Way F Metri-Pack 150 Series Sealed (RED)

Pin

Wire Color

Circuit No.

Function

A

PNK

239

Fuse Output-Ignition 1

B

DK GRN/WHT

428

Canister Purge Solenoid Output

Evaporative (EVAP) Emissions Canister Vent Valve Connector


Object Number: 35437 Size: CH

Connector Part Information
    • 12052643
    • 2-Way F Metri-Pack 150 Series, Sealed (RED)

Pin

Wire Color

Circuit No.

Function

A

PNK

239

Fuse Output - Ignition

B

WHT

1310

Canister Vent Valve Solenoid Output

Fuel Tank Pressure Sensor Connector


Object Number: 62453 Size: CH

Connector Part Information
    • 12059595
    • 3-Way F Metri-Pack 150 Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN/BLK

510

Fuel Sender Return

B

DK GRN

890

Fuel Tank Pressure Sensor Signal

C

GRY

705

Reference Voltage Feed - 5 Volt Reference

Fuel Pump and Sender Connector


Object Number: 258300 Size: CH

Connector Part Information
    • 12176897
    • 4-Way F Metri-Pack 150 Series, Sealed (LT GRY)

Pin

Wire Color

Circuit No.

Function

A

PPL

1589

Fuel Gauge Sensor Signal

B

GRY

120

Fuel Pump Motor Feed

C

BLK

1750

Ground

D

ORN/BLK

510

Fuel Sender Return

Generator Connector (2.2L Engine)


Object Number: 306263 Size: CH

Connector Part Information
    • 12186566
    • 1-Way F Metri-Pack 150 Series, Sealed (NAT)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

RED

225

Alternator Output - Regulator Reference Voltage

C-D

--

--

Not Used

Heated Oxygen Sensor (H2OS) Connector, Bank 1 Sensor 1


Object Number: 280761 Size: CH

Connector Part Information
    • 12160825
    • 4-Way M Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

1669

Oxygen Sensor Return-Left-Rear of Catalytic Convertor

B

PPL/WHT

1668

Oxygen Sensor Signal-Right-Forward of Catalytic Convertor

C

BLK

350

Ground

D

PNK

539

Fuse-Output-Ignition 1

Idle Air Control (IAC) Valve Connector


Object Number: 38608 Size: CH

Connector Part Information
    • 12162190
    • 4-Way M Metri-Pack 150.2 Series, Pull-to-Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN/BLK

444

Idle Air Control Valve Motor Feed - Coil B Low

B

LT GRN/WHT

1749

Idle Air Control Valve Motor Feed - Coil B High

C

LT BLU/BLK

1748

Idle Air Control Valve Motor Feed - Coil A Low

D

LT BLU/WHT

1747

Idle Air Control Valve Motor Feed - Coil B High

Ignition Control Module (ICM) Connector C1


Object Number: 362743 Size: CH

Connector Part Information
    • 12103635
    • 2-Way F Metri-Pack 150, 630 Series, Pull-to-Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

451

Engine Control Module Ground

B

PNK

439

Fuse Output - Ignition 1

Ignition Control Module (ICM) Connector C2


Object Number: 40442 Size: CH

Connector Part Information
    • 12162260
    • 6-Way F Metri-Pack 150.2 Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

574

Crankshaft Position Sensor Return

B

WHT

423

Electronic Spark Timing Control Signal

C

ORN

406

Electronic Spark Timing Control Signal - B

D

PPL/WHT

430

Electronic Spark Timing High Reference Signal

E

YEL

573

Crankshaft Position Sensor Signal

F

RED/BLK

453

Electronic Spark Timing Low Reference Signal

Intake Air Temperature (IAT) Sensor Connector


Object Number: 68719 Size: CH

Connector Part Information
    • 12162198
    • 2-Way F Metri-Pack 150.2 Series, Sealed, Pull-to-Seat (GRY)

Pin

Wire Color

Circuit No.

Function

A

TAN

472

Manifold Absolute Temperature Sensor Signal

B

GRY

720

Sensor Return

Knock Sensor (KS) Connector


Object Number: 95764 Size: CH

Connector Part Information
    • 12176800
    • 1-Way F Metri-Pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

DK BLU

496

Knock Sensor Signal - #1

Manifold Absolute Pressure (MAP) Sensor Connector


Object Number: 68740 Size: CH

Connector Part Information
    • 12129946
    • 3-Way Metri-Pack 150 Series Sealed (MD GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

1704

Sensor Return

B

LT GRN

432

Manifold Absolute Pressure Sensor Signal

C

GRY

474

Reference Voltage Feed-5 Volt Reference

Oxygen Sensor Connector, Bank 1 Sensor 1


Object Number: 439508 Size: CH

Connector Part Information
    • 12065172
    • 1-Way M Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

412

Oxygen Sensor Signa

Park/Neutral Position (PNP) Switch Connector C1


Object Number: 68780 Size: CH

Connector Part Information
    • 12129840
    • 7-Way F Metri-Pack 150/280 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

LT GRN

275

Transmission Mounted Neutral Safety Switch Output

C

PNK

839

Fuse Output - Ignition 1 - Type III Fuse

D

BLK/WHT

451

Engine Control Module Ground

E

PPL

806

Fuse Output - Crank - Type III Fuse

F

GRY

1524

Backup Lamp Feed - Monitored

G

PPL/WHT

1035

Starter Relay Feed - Coil

Park/Neutral Position (PNP) Switch Connector C2


Object Number: 40412 Size: CH

Connector Part Information
    • 12191757
    • 4-Way F Metri-Pack 150 Series, Sealed (NAT)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

771

Transmission Position Switch - Bit 1

B

GRY

773

Transmission Position Switch - Bit 3

C

WHT

776

Transmission Position Switch - Parity Bit

D

YEL

772

Transmission Position Switch - Bit 2

Throttle Position (TP) Sensor Connector


Object Number: 258299 Size: CH

Connector Part Information
    • 12110192
    • 3-Way F Micro-Pack 150 Series, Sealed, Pull-to-Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

416

Reference Voltage Feed - 5 Volt Reference

B

BLK

452

Sensor Return

C

DK BLU

417

Throttle Position Sensor Signal

Vehicle Speed Sensor (VSS) (w/ A/T)


Object Number: 232831 Size: CH

Connector Part Information

12162194

2-Way F Metri-Pack 150.2 Series Sealed P2S (BLK)

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 (VSS) (w/ M/T)


Object Number: 38554 Size: CH

Connector Part Information
    • 12124819
    • 2-Way F 280 Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL/WHT

821

Vehicle Speed Sensor Signal

B

LT GRN/BLK

822

Vehicle Speed Sensor Return