Engine Controls Connector End Views. Chevrolet Express 1999

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 1999 🢒 Express 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L80-E 🢒 Engine Controls Connector End Views

Table 1:	Camshaft Position (CMP) Sensor Connector
Table 2:	Crankshaft Position (CKP) Sensor Connector
Table 3:	Exhaust Gas Recirculation (EGR) Valve Connector
Table 4:	Engine Coolant Temperature (ECT) Sensor Connector
Table 5:	Evaporative Emission Canister Purge Valve Connector
Table 6:	Evaporative Emission Canister Vent Valve Connector
Table 7:	Fuel Injectors
Table 8:	Fuel Pump And Sender Connector
Table 9:	Fuel Tank Pressure Sensor Connector
Table 10:	Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 Connector (4L60-E)
Table 11:	Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 Connector (4L80-E)
Table 12:	Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 Connector (4L60-E)
Table 13:	Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 Connector (4L80-E)
Table 14:	Heated Oxygen Sensor (HO2S) Bank 1 Sensor 3 Connector
Table 15:	Idle Air Control (IAC) Valve Connector
Table 16:	Ignition Coil Connector
Table 17:	Ignition Control Module (ICM) Connector
Table 18:	Intake Air Temperature (IAT) Sensor Connector
Table 19:	Manifold Absolute Presssure (MAP) Sensor Connector
Table 20:	Mass Air Flow (MAF) Sensor Connector
Table 21:	Throttle Position Sensor Connector
Table 22:	Vehicle Speed Sensor (VSS) Connector

Camshaft Position (CMP) Sensor Connector

Connector Part Information

•

12110293

•	ASM 3F M/P 150 SLD (BLK)

Wire Color

Circuit No.

Function

PNK/BLK

632

CMP Sensor Return

BRN/WHT

633

CMP Sensor Signal

PNK

439

Fuse Output - Ignition 1 - Type III Fuse

Crankshaft Position (CKP) Sensor Connector

Connector Part Information

•

12059595

•	ASM 3F M/P 150 SLD (BLK)

Wire Color

Circuit No.

Function

PNK

539

Fuse Output - Ignition 1 - Type III Fuse

PPL

574

CKP Sensor Return

YEL

573

CKP Sensor Signal

Exhaust Gas Recirculation (EGR) Valve Connector

Connector Part Information

•

12186057

•	ASM 5F M/P 150.2 P2S SLD (BLK)

Wire Color

Circuit No.

Function

RED

1676

EGR Valve Solenoid Control

BLK

470

Sensor Return

BRN

1456

EGR Solenoid Position Signal

GRY

474

5 Volt Reference

WHT

257

EGR Valve Solenoid Ground

Engine Coolant Temperature (ECT) Sensor Connector

Connector Part Information

•

12162194

•	ASM 2F M/P 150.2 P2S SLD (BLK)

Wire Color

Circuit No.

Function

BLK

452

Sensor Return

YEL

410

Coolant Temperature Sensor Signal

Evaporative Emission Canister Purge Valve Connector

Connector Part Information

•

12052643

•	ASM 2F M/P 150 (RED)

Wire Color

Circuit No.

Function

PNK

539

Fuse Output - ignition - 1 - Type III Fuse

DK GRN/WHT

428

Caniste Purge Solenoid Output

Evaporative Emission Canister Vent Valve Connector

Connector Part Information

•

12052643

•	ASM 2F M/P 150 (RED)

Wire Color

Circuit No.

Function

PNK

539

Fuse Output - Ignition 1 - Type III Fuse

WHT

1310

Canister Vent Valve Solenoid Output

Fuel Injectors

Connector Part Information

•

12177083

•	12F MIC/P 100 SLD (BLK)

Wire Color

Circuit No.

Function

BLK/WHT

845

Fuel Injector #5 Output

PNK

439

Fused Output - Ignition 1 - Type III Fuse

PNK/BLK

1746

Fuel Injector #3 Output

PNK

439

Fused Output - Ignition 1 - Type III Fuse

PNK

439

Fused Output - Ignition 1 - Type III Fuse

BLK

1744

Fuel Injector #1 Output

LT GRN/BLK

1745

Fuel Injector #2 Output

PNK

439

Fused Output - Ignition 1 - Type III Fuse

PNK

439

Fused Output - Ignition 1 - Type III Fuse

LT BLU/BLK

844

Fuel Injector #4 Output

PNK

439

Fused Output - Ignition 1 - Type III Fuse

YEL/BLK

846

Fuel Injector #6 Output

Fuel Pump And Sender Connector

Connector Part Information

•

12160482

•	ASM 4F M/P 150 SLD (BLK)

Wire Color

Circuit No.

Function

PPL

1589

Fuel Level Input To VCM

GRY

120

Fuel Pump Motor Feed

BLK

150

Ground

BLK

470

Sensor Return

Fuel Tank Pressure Sensor Connector

Connector Part Information

•

12059595

•	ASM 3F M/P 150 (BLK)

Wire Color

Circuit No.

Function

BLK

470

Sensor Return

DK GRN

890

Fuel Tank Pressure Sensor Signal

GRY

474

5 Volt Reference

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 Connector (4L60-E)

Connector Part Information

•

12162144

•	ASM 4F M/P 150 SLD (BLK)

Wire Color

Circuit No.

Function

TAN/WHT

1653

Left - HO2S Return (Pre-converter)

PPL/WHT

1665

Left - HO2S Signal (Pre-converter)

BLK

150

Ground

PNK

539

Fuse Output - Ignition 1 - Type III Fuse

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 Connector (4L80-E)

Connector Part Information

•

12162102

•	4M M/P 150 SLD CLIP SLOT SELF LK (BLK)

Wire Color

Circuit No.

Function

TAN/WHT

1653

Left - HO2S Return (Pre-converter)

PPL/WHT

1665

Left - HO2S Signal (Pre-converter)

BLK

150

Ground

PNK

539

Fuse Output - Ignition 1 - Type III Fuse

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 Connector (4L60-E)

Connector Part Information

•

12162144

•	ASM 4F M/P 150 SLD (BLK)

Wire Color

Circuit No.

Function

TAN

1667

Right - HO2S Return (Pre-converter)

PPL

1666

Right - HO2S Signal (Pre-converter)

BLK

150

Ground

PNK

539

Fuse Output - Ignition 1 - Type III Fuse

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 Connector (4L80-E)

Connector Part Information

•

12162102

•	4M M/P 150 SLD CLIP SLOT SELF LK (BLK)

Wire Color

Circuit No.

Function

TAN

1667

Right - HO2S Return (Pre-converter)

PPL

1666

Right - HO2S Signal (Pre-converter)

BLK

150

Ground

PNK

539

Fuse Output - Ignition 1 - Type III Fuse

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 3 Connector

Connector Part Information

•

12160482

•	ASM 4F M/P 150 SLD (BLK)

Wire Color

Circuit No.

Function

TAN

1671

Right - HO2S Return (Post-converter)

PPL

1670

Right - HO2S Signal (Post-converter)

BLK

150

Ground

PNK

539

Fuse Output - Ignition 1 - Type III Fuse

Idle Air Control (IAC) Valve Connector

Connector Part Information

•

12162189

•	ASM 4F M/P 150.2 P2S SLD (BLK)

Wire Color

Circuit No.

Function

LT GRN/BLK

444

IAC Valve Motor Feed (Coil B Low)

LT GRN/WHT

1749

IAC Valve Motor Feed (Coil B High)

LT BLU/BLK

1748

IAC Valve Motor Feed (Coil A Low)

LT BLU/WHT

1747

IAC Valve Motor Feed (Coil A High)

Ignition Coil Connector

Connector Part Information

•

12146121

•	ASM 3F M/P 150 (BRN)

Wire Color

Circuit No.

Function

PNK

439

Fuse Output - Ignition 1 - Type III Fuse

Not Used

WHT/BLK

1847

Ignition Coil Output

Ignition Control Module (ICM) Connector

Connector Part Information

•

12162189

•	ASM 4F M/P 150.2 P2S SLD (BLK)

Wire Color

Circuit No.

Function

PNK

439

Fuse Output - Ignition 1 - Type III Fuse

WHT

423

Electronic Spark Timing Control Signal

BLK

150

Ground

WHT/BLK

1847

Ignition Coil Output

Intake Air Temperature (IAT) Sensor Connector

Connector Part Information

•

12162198

•	ASM 2F M/P 150.2 P2S SLD (MD GRY)

Wire Color

Circuit No.

Function

TAN

472

IAT Sensor Signal

BLK

470

IAT Sensor Return

Manifold Absolute Presssure (MAP) Sensor Connector

Connector Part Information

•

12129946

•	ASM 3F M/P 150 SLD (GRY)

Wire Color

Circuit No.

Function

BLK

470

MAP Sensor Return

LT GRN

432

MAP Sensor Signal

GRY

474

5 Volt Reference

Mass Air Flow (MAF) Sensor Connector

Connector Part Information

•

12059595

•	ASM 3F M/P 150 SLD (BLK)

Wire Color

Circuit No.

Function

YEL

492

MAF Sensor Signal

BLK/WHT

451

VCM Ground

PNK

539

Fuse Output - Ignition 1 - Type III Fuse

Throttle Position Sensor Connector

Connector Part Information

•

12078090

•	ASM 3F M/P 150 P2S SLD (BLK)

Wire Color

Circuit No.

Function

GRY

416

5 Volt Reference

BLK

452

Sensor Return

DK BLU

417

TP Sensor Signal

Vehicle Speed Sensor (VSS) Connector

Connector Part Information

•

12162194

•	ASM 2F M/P 150.2 P2S SLD (BLK)

Wire Color

Circuit No.

Function

PPL/WHT

821

Vehicle Speed Sensor Signal

LT GRN/BLK

822

Vehicle Speed Sensor Return