Engine Controls Connector End Views. Chevrolet Blazer

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2001 🢒 Blazer - 2WD 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L60-E 🢒 Engine Controls Connector End Views

Table 1:	Camshaft Position (CMP) Sensor
Table 2:	Central Sequential Fuel Injection (Central SFI)
Table 3:	Crankshaft Position (CKP) Sensor
Table 4:	Engine Coolant Temperature (ECT) Sensor
Table 5:	Evaporative Emission (EVAP) Canister Purge Solenoid
Table 6:	Evaporative Emission (EVAP) Canister Vent Solenoid
Table 7:	Exhaust Gas Recirculation (EGR) Valve
Table 8:	Fuel Pump and Sender Assembly
Table 9:	Fuel Tank Pressure (FTP) Sensor
Table 10:	Heated Oxygen Sensor (HO2S), Bank 1 Sensor 1 (w/ AIR)
Table 11:	Heated Oxygen Sensor (HO2S), Bank 1 Sensor 1 (w/o AIR)
Table 12:	Heated Oxygen Sensor (HO2S), Bank 1 Sensor 3
Table 13:	Heated Oxygen Sensor (HO2S), Bank 2 Sensor 1
Table 14:	Idle Air Control (IAC) Valve
Table 15:	Ignition Coil
Table 16:	Ignition Control Module (ICM)
Table 17:	Intake Air Temperature (IAT) Sensor
Table 18:	Knock Sensor (KS)
Table 19:	Manifold Absolute Pressure (MAP) Sensor
Table 20:	Mass Air Flow (MAF) Sensor
Table 21:	Secondary Air Injection (AIR) Pump Connector C1 (w/ California Emissions)
Table 22:	Secondary Air Injection (AIR) Pump Connector C2 (w/ California Emissions)
Table 23:	Throttle Position (TP) Sensor
Table 24:	Vehicle Speed Sensor (VSS)

Camshaft Position (CMP) Sensor

Connector Part Information

•

12110293

•	3-Way F Metri-Pack 150 Series, Sealed (BLK)

Wire Color

Circuit No.

Function

PNK/BLK

632

Low Reference

BRN/WHT

633

CMP Sensor Signal

RED

631

12 Volt Reference

Central Sequential Fuel Injection (Central SFI)

Connector Part Information

•

12177083

•	12-Way F Micro-Pack 100 Series, Sealed (BLK)

Wire Color

Circuit No.

Function

BLK/WHT

845

Fuel Injector 5 Control

PNK

439

Ignition 1 Voltage

PNK/BLK

1746

Fuel Injector 3 Control

PNK

439

Ignition 1 Voltage

PNK

439

Ignition 1 Voltage

BLK

1744

Fuel Injector 1 Control

LT GRN/BLK

1745

Fuel Injector 2 Control

PNK

439

Ignition 1 Voltage

PNK

439

Ignition 1 Voltage

LT BLU/BLK

844

Fuel Injector 4 Control

PNK

439

Ignition 1 Voltage

YEL/BLK

846

Fuel Injector 6 Control

Crankshaft Position (CKP) Sensor

Connector Part Information

•

12059595

•	3-Way F Metri-Pack 150 Series Sealed (BLK)

Wire Color

Circuit No.

Function

LT GRN

1867

12 Volt Reference

PPL

574

Low Reference

YEL

573

CKP Sensor Signal

Engine Coolant Temperature (ECT) Sensor

Connector Part Information

•

12162194

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

Wire Color

Circuit No.

Function

BLK

2761

Low Reference

YEL

410

ECT Sensor Signal

Evaporative Emission (EVAP) Canister Purge Solenoid


Connector Part Information		12052643 2-Way F Metri-Pack 150 Series Sealed (RED)
Pin	Wire Color	Circuit No.	Function
A	PNK	239	Ignition 1 Voltage
B	DK GRN/WHT	428	EVAP Canister Purge Solenoid Control

Evaporative Emission (EVAP) Canister Vent Solenoid

Connector Part Information

•

12052643

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

Wire Color

Circuit No.

Function

PNK

239

Ignition 1 Voltage

WHT

1310

EVAP Canister Vent Solenoid Control

Exhaust Gas Recirculation (EGR) Valve

Connector Part Information

•

12186056

•	5-Way F Metri-Pack 150.2 Series, Sealed, P2S (BLK)

Wire Color

Circuit No.

Function

WHT

257

EGR Solenoid Control

BLK

2753

EGR Sensor Return

BRN

1456

EGR Valve Position Sensor

GRY

2702

5 Volt Reference

RED

1676

EGR Valve Supply Voltage

Fuel Pump and Sender Assembly

Connector Part Information

•

12160482

•	4-Way F Metri-Pack 150 Series (BLK)

Wire Color

Circuit No.

Function

PPL

1589

Fuel Level Sensor Signal

GRY

120

Fuel Pump Supply Voltage

BLK

1650

Ground (Utility)

BLK

1750

Ground (Pickup)

BLK/WHT

470

Low Reference

Fuel Tank Pressure (FTP) Sensor

Connector Part Information

•

12059595

•	3-Way F Metri-Pack 150 Series, Sealed (BLK)

Wire Color

Circuit No.

Function

BLK/WHT

470

Low Reference

DK GRN

890

Fuel Tank Pressure Sensor Signal

GRY

474

5 Volt Reference

Heated Oxygen Sensor (HO2S), Bank 1 Sensor 1 (w/ AIR)

Connector Part Information

•

12162144

•	4-Way M Metri-Pack 150 Series (BLK)

Wire Color

Circuit No.

Function

TAN/WHT

1653

H02S Low Signal

PPL/WHT

1665

H02S High Signal

BLK

450

Ground

PNK

539

Ignition 1 Voltage

Heated Oxygen Sensor (HO2S), Bank 1 Sensor 1 (w/o AIR)

Connector Part Information

•

12160482

•	4-Way F Metri-Pack 150 Series, Sealed (BLK)

Wire Color

Circuit No.

Function

TAN/WHT

1653

H02S Low Signal

PPL/WHT

1665

H02S High Signal

BLK

450

Ground

PNK

539

Ignition 1 Voltage

Heated Oxygen Sensor (HO2S), Bank 1 Sensor 3

Connector Part Information

•

12162144

•	4-Way M Metri-Pack 150 Series (BLK)

Wire Color

Circuit No.

Function

TAN/WHT

1669

H02S Low Signal

PPL/WHT

1668

H02S High Signal

BLK

350

Ground

PNK

539

Ignition 1 Voltage

Heated Oxygen Sensor (HO2S), Bank 2 Sensor 1

Connector Part Information

•

12162144

•	4-Way M Metri-Pack 150 Series (BLK)

Wire Color

Circuit No.

Function

TAN

1667

H02S Low Signal

PPL

1666

H02S High Signal

BLK

350

Ground

PNK

539

Ignition 1 Voltage

Idle Air Control (IAC) Valve

Connector Part Information

•

12162190

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

Wire Color

Circuit No.

Function

LT GRN/BLK

444

IAC Coil B Low Control

LT GRN/WHT

1749

IAC Coil B High Control

LT BLU/BLK

1748

IAC Coil A Low Control

LT BLU/WHT

1747

IAC Coil A High Control

Ignition Coil

Connector Part Information

•

12146121

•	3-Way F Metri-Pack 150 Series, Sealed (BRN)

Wire Color

Circuit No.

Function

PNK

439

Ignition 1 Voltage

Not Used

WHT/BLK

1847

Ignition Coil Output Bank 1

Ignition Control Module (ICM)

Connector Part Information

•

12162189

•	4-Way F Metri-Pack 150.2 Series, Pull-to-Seat Sealed (BLK)

Wire Color

Circuit No.

Function

PNK

439

Ignition 1 Voltage

WHT

423

IC Timing Control

BLK/WHT

451

Ground

WHT/BLK

1847

Ignition Coil Driver

Intake Air Temperature (IAT) Sensor

Connector Part Information

•

12162198

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

Wire Color

Circuit No.

Function

BLK

2760

Low Reference

TAN

472

IAT Sensor Signal

Knock Sensor (KS)

Connector Part Information

•

12129140

•	2-Way F Metri-Pack 280 Series, Pull-to-Seat (BLK)

Wire Color

Circuit No.

Function

DK BLU

496

KS Signal

GRY

1716

Knock Sensor Return

Manifold Absolute Pressure (MAP) Sensor

Connector Part Information

•

12129946

•	3-Way F Metri-Pack 150 Series Sealed (MD GRY)

Wire Color

Circuit No.

Function

ORN

469

Low Reference

LT GRN

432

MAP Sensor Signal

GRY

2704

5 Volt Reference

Mass Air Flow (MAF) Sensor

Connector Part Information

•

12059595

•	3-Way F Metri-Pack Series, Sealed (BLK)

Wire Color

Circuit No.

Function

YEL

492

Mass Air Flow Sensor Signal

BLK/WHT

451

Ground

PNK

239

Ignition 1 Voltage

Secondary Air Injection (AIR) Pump Connector C1 (w/ California Emissions)

Connector Part Information

•

12052641

•	2-Way M Metri-Pack 150 Series, Sealed (BLK)

Wire Color

Circuit No.

Function

PNK/BLK

415

Air Injection Reaction Solenoid Feed

BLK

1550

Ground

Secondary Air Injection (AIR) Pump Connector C2 (w/ California Emissions)

Connector Part Information

•

15326679

•	2-Way F Metri-Pack 280 Series (GRY)

Wire Color

Circuit No.

Function

RED

Air Pump Supply Voltage

BLK

1550

Ground

Throttle Position (TP) Sensor

Connector Part Information

•

12110192

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

Wire Color

Circuit No.

Function

GRY

2701

5 Volt Reference

BLK

2752

Low Reference

DK BLU

417

TP Sensor Signal

Vehicle Speed Sensor (VSS)

Connector Part Information

•

12162194

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

Wire Color

Circuit No.

Function

PPL/WHT

821

VSS High Signal

LT GRN/BLK

822

VSS Low Signal