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: Brake Booster Vacuum Sensor (DOD)
Table 3: Camshaft Position (CMP) Sensor
Table 4: Crankshaft Position (CKP) Sensor
Table 5: Engine Coolant Temperature (ECT) Sensor
Table 6: Engine Oil Pressure (EOP) Sensor
Table 7: Evaporative Emission (EVAP) Canister Purge Solenoid
Table 8: Evaporative Emission (EVAP) Canister Vent Solenoid
Table 9: Fuel Injector 1
Table 10: Fuel Injector 2
Table 11: Fuel Injector 3
Table 12: Fuel Injector 4
Table 13: Fuel Injector 5
Table 14: Fuel Injector 6
Table 15: Fuel Injector 7
Table 16: Fuel Injector 8
Table 17: Fuel Pump and Sender Assembly
Table 18: Fuel Tank Pressure (FTP) Sensor
Table 19: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
Table 20: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2
Table 21: Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
Table 22: Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2
Table 23: Ignition Coil 1
Table 24: Ignition Coil 2
Table 25: Ignition Coil 3
Table 26: Ignition Coil 4
Table 27: Ignition Coil 5
Table 28: Ignition Coil 6
Table 29: Ignition Coil 7
Table 30: Ignition Coil 8
Table 31: Knock Sensor (KS) 1 - Left
Table 32: Knock Sensor (KS) 2 - Right
Table 33: Manifold Absolute Pressure (MAP) Sensor
Table 34: Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
Table 35: Throttle Body
Table 36: Valve Lifter Oil Manifold (VLOM) Assembly (DOD)

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

Brake Booster Vacuum Sensor (DOD)


Object Number: 1468512 Size: CH

Connector Part Information
    • 15448870
    • 3-Way F 1.5 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

1

D-BU

1809

Brake Booster Vacuum Sensor Signal

2

BK

452

Low Reference

3

GY

416

5-Volt Reference

Camshaft Position (CMP) 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

RD

--

12-Volt Reference

B

PK/BK

--

Low Reference

C

BN/WH

--

CMP Sensor Signal

Crankshaft Position (CKP) Sensor


Object Number: 366117 Size: CH

Connector Part Information
    • 15324165
    • 3-Way F Metri-Pack 150 Series (NA)

Pin

Wire Color

Circuit No.

Function

A

D-BU/WH

1869

CKP Sensor Signal

B

YE/BK

1868

Low Reference

C

L-GN

1867

12-Volt Reference

Engine Coolant Temperature (ECT) Sensor


Object Number: 1468493 Size: CH

Connector Part Information
    • 15359366
    • 2-Way F GT 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

2761

Low Reference

B

YE

410

ECT Sensor Signal

Engine Oil Pressure (EOP) Sensor


Object Number: 1519475 Size: CH

Connector Part Information
    • 15477863
    • 3-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

1

BK

2755

Low Reference

2

GY

2705

5-Volt Reference

3

TN/WH

332

Oil Pressure Sensor Signal

Evaporative Emission (EVAP) Canister Purge Solenoid


Object Number: 684829 Size: CH

Connector Part Information
    • 12124037
    • 2-Way F GT 150 Series Sealed (BK)

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

OG

540

Battery Positive Voltage

B

WH

1310

EVAP Canister Vent Solenoid Control

Fuel Injector 1


Object Number: 1273820 Size: CH

Connector Part Information
    • 15355226
    • 2-Way F Metri-Pack 150 Tangless Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

1239

Ignition 1 Voltage

B

BK

1744

Fuel Injector 1 Control

Fuel Injector 2


Object Number: 1273820 Size: CH

Connector Part Information
    • 15355226
    • 2-Way F Metri-Pack 150 Tangless Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

1339

Ignition 1 Voltage

B

L-GN/BK

1745

Fuel Injector 2 Control

Fuel Injector 3


Object Number: 1273820 Size: CH

Connector Part Information
    • 15355226
    • 2-Way F Metri-Pack 150 Tangless Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

1239

Ignition 1 Voltage

B

PK/BK

1746

Fuel Injector 3 Control

Fuel Injector 4


Object Number: 1273820 Size: CH

Connector Part Information
    • 15355226
    • 2-Way F Metri-Pack 150 Tangless Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

1339

Ignition 1 Voltage

B

L-BU/BK

844

Fuel Injector 4 Control

Fuel Injector 5


Object Number: 1273820 Size: CH

Connector Part Information
    • 15355226
    • 2-Way F Metri-Pack 150 Tangless Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

1239

Ignition 1 Voltage

B

BK/WH

845

Fuel Injector 5 Control

Fuel Injector 6


Object Number: 1273820 Size: CH

Connector Part Information
    • 15355226
    • 2-Way F Metri-Pack 150 Tangless Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

1339

Ignition 1 Voltage

B

YE/BK

846

Fuel Injector 6 Control

Fuel Injector 7


Object Number: 1273820 Size: CH

Connector Part Information
    • 15355226
    • 2-Way F Metri-Pack 150 Tangless Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

1239

Ignition 1 Voltage

B

RD/BK

877

Fuel Injector 7 Control

Fuel Injector 8


Object Number: 1273820 Size: CH

Connector Part Information
    • 15355226
    • 2-Way F Metri-Pack 150 Tangless Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

1339

Ignition 1 Voltage

B

D-BU/WH

878

Fuel Injector 8 Control

Fuel Pump and Sender Assembly


Object Number: 697003 Size: CH

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

Pin

Wire Color

Circuit No.

Function

1

BK

2450

Ground

2

PU

1589

Fuel Level Sensor Signal

3

BK

2759

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) Bank 1 Sensor 1


Object Number: 474210 Size: CH

Connector Part Information
    • 12176897
    • 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

C

BK/WH

3113

HO2S Heater Low Control - Bank 1 Sensor 1

D

PK

1539

Ignition 1 Voltage

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2


Object Number: 806613 Size: CH

Connector Part Information
    • 15326423
    • 4-Way M Metri-Pack 150 Series Sealed (GY)

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

BN

2391

HO2S Heater Low Control - Bank 1 Sensor 2

D

PK

539

Ignition 1 Voltage

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1


Object Number: 474210 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

TN

1667

HO2S Low Signal - Bank 2 Sensor 1

B

PU

1666

HO2S High Signal - Bank 2 Sensor 1

C

L-GN

3212

HO2S Heater Low Control - Bank 2 Sensor 1

D

PK

1539

Ignition 1 Voltage

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2


Object Number: 806613 Size: CH

Connector Part Information
    • 15326423
    • 4-Way M Metri-Pack 150 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

TN

1671

HO2S Low Signal - Bank 2 Sensor 2

B

PU

1670

HO2S High Signal - Bank 2 Sensor 2

C

RD/WH

3223

HO2S Heater Low Control - Bank 2 Sensor 2

D

PK

539

Ignition 1 Voltage

Ignition Coil 1


Object Number: 1401799 Size: CH

Connector Part Information
    • 15439568
    • 4-Way F GT 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

151

Ground

B

BN

2129

Low Reference

C

PU

2121

IC 1 Control

D

PK

39

Ignition 1 Voltage

Ignition Coil 2


Object Number: 1401799 Size: CH

Connector Part Information
    • 15439568
    • 4-Way F GT 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

151

Ground

B

BN

2129

Low Reference

C

RD

2127

IC 2 Control

D

PK

39

Ignition 1 Voltage

Ignition Coil 3


Object Number: 1401799 Size: CH

Connector Part Information
    • 15439568
    • 4-Way F GT 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

151

Ground

B

BN

2129

Low Reference

C

L-BU

2123

IC 3 Control

D

PK

39

Ignition 1 Voltage

Ignition Coil 4


Object Number: 1401799 Size: CH

Connector Part Information
    • 15439568
    • 4-Way F GT 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

151

Ground

B

BN

2129

Low Reference

C

D-GN

2125

IC 4 Control

D

PK

39

Ignition 1 Voltage

Ignition Coil 5


Object Number: 1401799 Size: CH

Connector Part Information
    • 15439568
    • 4-Way F GT 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

151

Ground

B

BN

2129

Low Reference

C

D-GN

2125

IC 5 Control

D

PK

39

Ignition 1 Voltage

Ignition Coil 6


Object Number: 1401799 Size: CH

Connector Part Information
    • 15439568
    • 4-Way F GT 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

151

Ground

B

BN

2129

Low Reference

C

L-BU

2123

IC 6 Control

D

PK

39

Ignition 1 Voltage

Ignition Coil 7


Object Number: 1401799 Size: CH

Connector Part Information
    • 15439568
    • 4-Way F GT 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

151

Ground

B

BN

2129

Low Reference

C

RD

2127

IC 7 Control

D

PK

39

Ignition 1 Voltage

Ignition Coil 8


Object Number: 1401799 Size: CH

Connector Part Information
    • 15439568
    • 4-Way F GT 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

151

Ground

B

BN

2129

Low Reference

C

PU

2121

IC 8 Control

D

PK

39

Ignition 1 Voltage

Knock Sensor (KS) 1 - Left


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

Knock Sensor 1 Signal

B

GY

1716

Low Reference

Knock Sensor (KS) 2 - Right


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

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


Object Number: 366067 Size: CH

Connector Part Information
    • 15305555
    • 5-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

2760

Low Reference

B

TN

472

IAT Sensor Signal

C

BK

450

Ground

D

PK

239

Ignition 1 Voltage

E

YE

492

MAF Sensor Signal

Throttle Body


Object Number: 1468494 Size: CH

Connector Part Information
    • 15355297
    • 6-Way F GT 150 Series Sealed 4.0 (BK)

Pin

Wire Color

Circuit No.

Function

A

BN

582

TAC Motor Control - 2

B

YE

581

TAC Motor Control - 1

C

BK/WH

1704

Low Reference

D

D-GN

485

TP Sensor 1 Signal

E

L-BU/BK

1688

5-Volt Reference

F

PU

486

TP Sensor 2 Signal

Valve Lifter Oil Manifold (VLOM) Assembly (DOD)


Object Number: 684863 Size: CH

Connector Part Information
    • 12186057
    • 5-Way F Metri-Pack 150.2 Pull to Seat Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

OG

5494

Cylinder 4 Shutoff Solenoid Control 2

B

GY

5493

Cylinder 6 Shutoff Solenoid Control 3

C

D-BU

5491

Cylinder 1 Shutoff Solenoid Control 1

D

L-GN

5492

Cylinder 7 Shutoff Solenoid Control 4

E

PK

239

Ignition 1 Voltage