Engine Controls Connector End Views. Chevrolet Chevy Suburban

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2001 🢒 Chevy Suburban - 2WD 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Engine Controls Connector End Views

Table 1:	A/C High Pressure Recirculation Switch
Table 2:	A/C High Pressure Switch
Table 3:	A/C Low Pressure Switch
Table 4:	Accelerator Pedal Position (APP) Sensor
Table 5:	Baro Sensor
Table 6:	Camshaft Position (CMP) Sensor
Table 7:	Coolant Level Switch
Table 8:	Crankshaft Position (CKP) Sensor
Table 9:	Engine Coolant Temperature (ECT) Sensor
Table 10:	Fuel Injector # 1, #3 (RF Bank)
Table 11:	Fuel Injector # 2, #4 (LF Bank)
Table 12:	Fuel Injector # 5, #7 (RR Bank)
Table 13:	Fuel Injector # 6, #8 (LR Bank)
Table 14:	Fuel Level Sensor - Secondary
Table 15:	Fuel Pump
Table 16:	Fuel Pump and Sender Assembly
Table 17:	Fuel Rail Pressure (FRP) Regulator
Table 18:	Fuel Rail Pressure (FRP) Sensor
Table 19:	Fuel Temperature Sensor
Table 20:	Glow Plug/Intake Heater Relay Assembly
Table 21:	Intake Air Temperature (IAT) Sensor/ Mass Air Flow (MAF) Sensor
Table 22:	Park/Neutral Position Switch - C1
Table 23:	Park/Neutral Position Switch - C2
Table 24:	Power Take Off (PTO) Relay
Table 25:	Power Take Off (PTO) Switch

A/C High Pressure Recirculation Switch

Connector Part Information

•

12124037

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

Wire Color

Circuit No.

Function

DK BLU

604

A/C High Pressure Recirculation Switch Signal

BLK

150

Ground

A/C High Pressure Switch

Connector Part Information

•

12186386

•	2-Way F Metri-Pack 150 P2S (BLK)

Wire Color

Circuit No.

Function

LT BLU

203

A/C Request Signal

DK GRN/WHT

2523

A/C Request Signal

A/C Low Pressure Switch

Connector Part Information

•

12052644

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

Wire Color

Circuit No.

Function

DK GRN

603

A/C Low Pressure Switch Signal

BLK

550

Ground

Accelerator Pedal Position (APP) Sensor

Connector Part Information

•

15318071

•	10-Way F Metri-Pack 150 Series (GRY)

Wire Color

Circuit No.

Function

GRY

1273

Low Reference

PPL

1272

Low Reference

LT BLU

1162

APP Sensor 2 Signal

TAN

1274

5 Volt Reference

BRN

971

Low Reference

DK BLU

1161

APP Sensor 1 Signal

WHT/BLK

1164

5 Volt Reference

Not Used

YEL/BLK

975

5 Volt Reference

DK GRN

1163

APP Sensor 3 Signal

Baro Sensor

Connector Part Information

•

12129946

•	3-Way F M/P 150 Series Sealed (GRY)

Wire Color

Circuit No.

Function

ORN/BLK

1057

Low Reference

GRY/BLK

433

BARO Sensor Signal

WHT/BLK

2932

5 Volt Reference

Camshaft Position (CMP) Sensor

Connector Part Information

•

12129946

•	3-Way F 150 Series Sealed (GRY)

Wire Color

Circuit No.

Function

RED

631

12 Volt Reference

PNK/BLK

632

Low Reference

BRN/WHT

633

CMP Sensor Signal

Coolant Level Switch

Connector Part Information

•

15324243

•	2-Way F M/P 150 Series Sealed (GRY)

Wire Color

Circuit No.

Function

LT GRN

1478

Coolant Level Switch Signal

BLK

550

Ground

Crankshaft Position (CKP) Sensor

Connector Part Information

•

12129946

•	3-Way F 150 Series Sealed (GRY)

Wire Color

Circuit No.

Function

LT GRN

1867

12 Volt Reference

YEL/BLK

1868

Low Reference

DK BLU/WHT

1869

CKP Sensor Signal

Engine Coolant Temperature (ECT) Sensor

Connector Part Information

•

12162195

•	2-Way F SER 150.2 Series Sealed (BLK)

Wire Color

Circuit No.

Function

GRY

720

Low Reference

YEL

410

ECT Sensor Signal

Fuel Injector # 1, #3 (RF Bank)

Connector Part Information

•

15326632

•	4-Way F GT 280 Series Sealed (BLK)

Wire Color

Circuit No.

Function

ORN/BLK

Positive Voltage

LT GRN/BLK

Fuel Injector # 1 Control

ORN/WHT

Positive Voltage

LT GRN/BLK

Fuel Injector # 3 Control

Fuel Injector # 2, #4 (LF Bank)

Connector Part Information

•

15326632

•	4-Way F GT 280 Series Sealed (BLK)

Wire Color

Circuit No.

Function

ORN/BLK

Positive Voltage

LT GRN/WHT

Fuel Injector # 4 Control

ORN/BLK

Positive Voltage

LT GRN

Fuel Injector # 2 Control

Fuel Injector # 5, #7 (RR Bank)

Connector Part Information

•

15326632

•	4-Way F GT 280 Series Sealed (BLK)

Wire Color

Circuit No.

Function

ORN/BLK

Positive Voltage

LT GRN/RED

Fuel Injector # 5 Control

ORN/WHT

Positive Voltage

LT GRN/ORN

Fuel Injector # 7 Control

Fuel Injector # 6, #8 (LR Bank)

Connector Part Information

•

15326632

•	4-Way F GT 280 Series Sealed (BLK)

Wire Color

Circuit No.

Function

ORN/WHT

Positive Voltage

LT GRN/GRN

Fuel Injector # 8 Control

ORN/WHT

Positive Voltage

LT GRN/PPL

Fuel Injector # 6 Control

Fuel Level Sensor - Secondary

Connector Part Information

•

12160563

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

Wire Color

Circuit No.

Function

DK BLU

1936

Fuel Level Sensor Signal [- Secondary]

B-C

Blocked Cavity

ORN/BLK

510

Low Reference

Fuel Pump

Connector Part Information

•

12059450

•	2-Way M Metri-Pack 280 Series Sealed (BLK)

Wire Color

Circuit No.

Function

GRY

120

Fuel Pump Supply Voltage

BLK

1650

Ground

BLK

2150

Ground

Fuel Pump and Sender Assembly

Connector Part Information

•

12160563

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

Wire Color

Circuit No.

Function

PPL

1589

Fuel Level Sensor Signal [- Primary]

B-C

Blocked Cavity

ORN/BLK

510

Low Reference

Fuel Rail Pressure (FRP) Regulator

Connector Part Information

•	1928403874

•	2-Way F Bosch

Wire Color

Circuit No.

Function

PPL/WHT

2530

Fuel Pressure Regulator Solenoid Supply Voltage

YEL

2834

Fuel Pressure Regulator Solenoid Control

Fuel Rail Pressure (FRP) Sensor

Connector Part Information

•

12103771

•	3-Way F (BK)

Wire Color

Circuit Number

Function

OG/BK

2919

Low Reference

2918

FRP Sensor Signal

2917

5 Volt Reference

Fuel Temperature Sensor

Connector Part Information

•

178392-6

•	2-Way M AMP 187 Series (GRY)

Wire Color

Circuit No.

Function

YEL

1578

Fuel Temperature Signal

BRN

718

Low Reference

Glow Plug/Intake Heater Relay Assembly

Connector Part Information

•

FW-C-4F-B

•	4-Way F (BLK)

Wire Color

Circuit No.

Function

YEL

505

Glow Plug Relay Control

PNK/YEL

Ground

PPL

985

IA Heater Relay Control

PNK

539

Ignition Voltage

Intake Air Temperature (IAT) Sensor/ Mass Air Flow (MAF) Sensor

Connector Part Information

•

15324447

•	5-Way F 090II SLD (BLK)

Wire Color

Circuit No.

Function

BLK

552

IAT Low Reference

TAN

472

IAT Sensor Signal

PNK

239

Ignition 1 Voltage

GRY/BLK

2931

MAF Low Reference

YEL

492

MAF Sensor Signal

Park/Neutral Position Switch - C1

Connector Part Information

•

12191757

•	4-Way F Metri-Pack 150 (LT GRY)

Wire Color

Circuit No.

Function

BLK/WHT

771

Transmission Range Switch Signal A

GRY

773

Transmission Range Switch Signal C

WHT

776

Transmission Range Switch Signal P

YEL

772

Transmission Range Switch Signal B

Park/Neutral Position Switch - C2

Connector Part Information

•

12129840

•	7-Way F Metri-Pack 150 280 (MD GRY)

Wire Color

Circuit No.

Function

ORN/BLK

1786

Park/Neutral - Signal

LT GRN

275

Park Neutral Position Switch Park Signal

PNK

839

Ignition 1 Voltage

BLK/WHT

451

Ground

PPL/WHT

1035

Starter Relay Coil Supply Voltage

LT GRN

Backup Lamp Supply Voltage

YEL

1737

Neutral Safety Switch Park/Neutral Signal

Power Take Off (PTO) Relay

Connector Part Information

•

12129716

•	4-Way F Metri-Pack 280 FLX LK (MD GRY)

Wire Color

Circuit No.

Function

ORN

3440

Battery Positive Voltage

LT GRN

488

Power Take Off Switch - Output - Enable

PPL

2562

PTO - Engage Signal

WHT

2561

PTO Signal

Power Take Off (PTO) Switch

Connector Part Information

•

12186098

•	8-Way F Metri-Pack 150 Series (LT GRY)

Wire Color

Circuit No.

Function

Not Used

LT GRN

488

Power Take Off Switch - Output - Enable

GRY

Instrument Panel Lamp Supply Voltage - 1

GRY

397

Cruise Control On Switch Signal

YEL

2522

PTO Status Signal

BLK

1850

Ground

DK BLU

Cruise Control Set/Coast Switch Signal

PPL/WHT

1382

LED Dimming Signal