GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2005 🢒 TrailBlazer - 2WD 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L60-E/4L65-E 🢒 Engine Controls Connector End Views
Table 1: Accelerator Pedal Position (APP) Sensor
Table 2: Camshaft Actuator Solenoid Assembly
Table 3: Camshaft Position (CMP) Sensor
Table 4: Crankshaft Position (CKP) Sensor
Table 5: Engine Coolant Temperature (ECT) Sensor
Table 6: Evaporative Emission (EVAP) Canister Purge Solenoid
Table 7: Evaporative Emission (EVAP) Canister Vent Solenoid
Table 8: Fuel Injector 1
Table 9: Fuel Injector 2
Table 10: Fuel Injector 3
Table 11: Fuel Injector 4
Table 12: Fuel Injector 5
Table 13: Fuel Injector 6
Table 14: Fuel Pump and Sender Assembly
Table 15: Fuel Tank Pressure (FTP) Sensor
Table 16: Heated Oxygen Sensor (HO2S) 1
Table 17: Heated Oxygen Sensor (HO2S) 2
Table 18: Ignition Coil 1
Table 19: Ignition Coil 2
Table 20: Ignition Coil 3
Table 21: Ignition Coil 4
Table 22: Ignition Coil 5
Table 23: Ignition Coil 6
Table 24: Intake Air Temperature (IAT) Sensor
Table 25: Knock Sensor (KS) 1 Front
Table 26: Knock Sensor (KS) 2 Rear
Table 27: Manifold Absolute Pressure (MAP) Sensor
Table 28: Secondary Air Injection (AIR) Pump (K18)
Table 29: Secondary Air Injection (AIR) Pump Relay (K18)
Table 30: Secondary Air Injection (AIR) Solenoid (K18)
Table 31: Throttle Body

Accelerator Pedal Position (APP) Sensor


Object Number: 886053 Size: CH

Connector Part Information
    • 15326830
    • 6-Way F GT 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PU

1272

Low Reference

B

L-BU

1162

APP Sensor 2 Signal

C

TN

1274

5-Volt Reference

D

BN

1271

Low Reference

E

D-BU

1161

APP Sensor 1 Signal

F

WH/BK

1164

5-Volt Reference

Camshaft Actuator Solenoid Assembly


Object Number: 523630 Size: CH

Connector Part Information
    • 15326801
    • 2-Way F GT 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BN

2198

Camshaft Position Solenoid Actuator High Control

B

BK

2199

Low Reference

Camshaft Position (CMP) Sensor


Object Number: 726825 Size: CH

Connector Part Information
    • 15355370
    • 3-Way F GT 150 Series Sealed 3.2 X 4.0 (BK)

Pin

Wire Color

Circuit No.

Function

A

RD

631

12-Volt Reference

B

BN/WH

633

CMP Sensor Signal

C

PK/BK

632

Low Reference

Crankshaft Position (CKP) Sensor


Object Number: 646406 Size: CH

Connector Part Information
    • 15336004
    • 2-Way F GT 150 Series Sealed 3.2 X 4.0 (BK)

Pin

Wire Color

Circuit No.

Function

A

PU

574

Low Reference

B

YE

573

CKP Sensor Signal

Engine Coolant Temperature (ECT) Sensor


Object Number: 523630 Size: CH

Connector Part Information
    • 15326801
    • 2-Way F GT 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

YE

410

ECT Sensor Signal

B

BK

2761

Low Reference

Evaporative Emission (EVAP) Canister Purge Solenoid


Object Number: 684795 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

PK

239

Ignition 1 Voltage

B

D-GN/WH

428

EVAP Canister Purge Solenoid Control

Evaporative Emission (EVAP) Canister Vent Solenoid


Object Number: 684795 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

PK

239

Ignition 1 Voltage

B

WH

1310

EVAP Canister Vent Solenoid Control

Fuel Injector 1


Object Number: 366123 Size: CH

Connector Part Information
    • 15326181
    • 2-Way F Micro-Pack 064 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

439

Ignition 1 Voltage

B

BK

1744

Fuel Injector 1 Control

Fuel Injector 2


Object Number: 366123 Size: CH

Connector Part Information
    • 15326181
    • 2-Way F Micro-Pack 064 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

439

Ignition 1 Voltage

B

L-GN/BK

1745

Fuel Injector 2 Control

Fuel Injector 3


Object Number: 366123 Size: CH

Connector Part Information
    • 15326181
    • 2-Way F Micro-Pack 064 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

439

Ignition 1 Voltage

B

PK/BK

1746

Fuel Injector 3 Control

Fuel Injector 4


Object Number: 366123 Size: CH

Connector Part Information
    • 15326181
    • 2-Way F Micro-Pack 064 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

439

Ignition 1 Voltage

B

L-BU/BK

844

Fuel Injector 4 Control

Fuel Injector 5


Object Number: 366123 Size: CH

Connector Part Information
    • 15326181
    • 2-Way F Micro-Pack 064 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

439

Ignition 1 Voltage

B

BK/WH

845

Fuel Injector 5 Control

Fuel Injector 6


Object Number: 366123 Size: CH

Connector Part Information
    • 15326181
    • 2-Way F Micro-Pack 064 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

439

Ignition 1 Voltage

B

YE/BK

846

Fuel Injector 6 Control

Fuel Pump and Sender Assembly


Object Number: 697003 Size: CH

Connector Part Information
    • 15324862
    • 4-Way F 2.8 Series Sealed (L-GY)

Pin

Wire Color

Circuit No.

Function

1

BK

2450

Ground

2

PU

1589

Fuel Level Sensor Signal - Primary

3

OG/BK

510

Low Reference

4

GY

120

Fuel Pump Supply Voltage

Fuel Tank Pressure (FTP) Sensor


Object Number: 516611 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

BK

2759

Low Reference

B

D-GN

890

Fuel Tank Pressure Sensor Signal

C

GY

2709

5-Volt Reference

Heated Oxygen Sensor (HO2S) 1


Object Number: 655691 Size: CH

Connector Part Information
    • 12146046
    • 4-Way F Metri-Pack 150 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

TN

1664

HO2S Low Signal - Bank 1 Sensor 1

B

PU/WH

1665

HO2S High Signal - Bank 1 Sensor 1

D

PK

539

Ignition 1 Voltage

E

D-GN

676

HO2S Heater Low Control - Bank 1 Sensor 1

Heated Oxygen Sensor (HO2S) 2


Object Number: 280761 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

TN/WH

1669

HO2S Low Signal - Bank 1 Sensor 2

B

PU/WH

1668

HO2S High Signal - Bank 1 Sensor 2

C

BK/WH

1423

HO2S Heater Low Control - Bank 1 Sensor 2

D

PK

539

Ignition 1 Voltage

Ignition Coil 1


Object Number: 726825 Size: CH

Connector Part Information
    • 15355370
    • 3-Way F GT 150 Series Sealed 3.2 X 4.0 (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

439

Ignition 1 Voltage

B

PU

2121

IC 1 Control

C

BK

550

Ground

Ignition Coil 2


Object Number: 726825 Size: CH

Connector Part Information
    • 15355370
    • 3-Way F GT 150 Series Sealed 3.2 X 4.0 (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

439

Ignition 1 Voltage

B

RD/WH

2122

IC 2 Control

C

BK

550

Ground

Ignition Coil 3


Object Number: 726825 Size: CH

Connector Part Information
    • 15355370
    • 3-Way F GT 150 Series Sealed 3.2 X 4.0 (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

439

Ignition 1 Voltage

B

L-BU

2123

IC 3 Control

C

BK

550

Ground

Ignition Coil 4


Object Number: 726825 Size: CH

Connector Part Information
    • 15355370
    • 3-Way F GT 150 Series Sealed 3.2 X 4.0 (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

439

Ignition 1 Voltage

B

D-GN/WH

2124

IC 4 Control

C

BK

550

Ground

Ignition Coil 5


Object Number: 726825 Size: CH

Connector Part Information
    • 15355370
    • 3-Way F GT 150 Series Sealed 3.2 X 4.0 (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

439

Ignition 1 Voltage

B

D-GN

2125

IC 5 Control

C

BK

550

Ground

Ignition Coil 6


Object Number: 726825 Size: CH

Connector Part Information
    • 15355370
    • 3-Way F GT 150 Series Sealed 3.2 X 4.0 (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

439

Ignition 1 Voltage

B

L-BU/WH

2126

IC 6 Control

C

BK

550

Ground

Intake Air Temperature (IAT) Sensor


Object Number: 646403 Size: CH

Connector Part Information
    • 15335987
    • 2-Way F GT 150 Series Sealed 3.2 X 4.0 (BK)

Pin

Wire Color

Circuit No.

Function

A

TN

472

IAT Sensor Signal

B

BK

2760

Low Reference

Knock Sensor (KS) 1 Front


Object Number: 1232999 Size: CH

Connector Part Information
    • 15374222
    • 2-Way F GT 150 Series Sealed (NA)

Pin

Wire Color

Circuit No.

Function

A

D-BU

496

KS 1 Signal

B

GY

1716

Low Reference

Knock Sensor (KS) 2 Rear


Object Number: 1232999 Size: CH

Connector Part Information
    • 15374222
    • 2-Way F GT 150 Series Sealed (NA)

Pin

Wire Color

Circuit No.

Function

A

L-BU

1876

Knock Sensor 2 Signal

B

GY

2303

Low Reference

Manifold Absolute Pressure (MAP) Sensor


Object Number: 684840 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

OG/BK

469

Low Reference

B

L-GN

432

MAP Sensor Signal

C

GY

2704

5-Volt Reference

Secondary Air Injection (AIR) Pump (K18)


Object Number: 537107 Size: CH

Connector Part Information
    • 12147067
    • 2-Way F DUCON 6.3 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

RD

78

Air Pump Supply Voltage

B

BK

2450

Ground

Secondary Air Injection (AIR) Pump Relay (K18)


Object Number: 603108 Size: CH

Connector Part Information
    • 15336745
    • 4-Way F GR 280 Series Metri-Pack 800 Sealed (GY)

Pin

Wire Color

Circuit No.

Function

30

RD

1042

Battery Positive Voltage

85

BN

436

Air Pump Relay Control

86

PK

739

Ignition 1 Voltage

87

RD

78

Air Pump Supply Voltage

Secondary Air Injection (AIR) Solenoid (K18)


Object Number: 1232999 Size: CH

Connector Part Information
    • 15374222
    • 2-Way F GT 150 Series Sealed (WH)

Pin

Wire Color

Circuit No.

Function

A

PK/BK

415

Air Sol Fuse Supply Voltage

B

BK

350

Ground

Throttle Body


Object Number: 646400 Size: CH

Connector Part Information
    • 15326835
    • 8-Way F GT 150 Series Sealed 4.0 (BK)

Pin

Wire Color

Circuit No.

Function

A

D-GN

485

TP Sensor 1 Signal

B

L-BU/BK

1688

5-Volt Reference

C

BK

2752

Low Reference

D

PU

486

TP Sensor 2 Signal

E

YE

581

TAC Motor Control - 1

F

BN

582

TAC Motor Control - 2

G

GY

2701

5-Volt Reference

H

BK/WH

1704

Low Reference