GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2004 🢒 TrailBlazer - 2WD 🢒 Engine 🢒 Engine Controls - 4.8L, 5.3L, and 6.0L 🢒 Engine Controls Connector End Views
Table 1: Accelerator Pedal Position (APP) Sensor
Table 2: Camshaft Position (CMP) Sensor
Table 3: Crankshaft Position (CKP) Sensor
Table 4: Engine Coolant Temperature (ECT) Sensor
Table 5: Engine Oil Pressure (EOP) 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 Injector 7
Table 15: Fuel Injector 8
Table 16: Fuel Pump and Sender Assembly
Table 17: Fuel Tank Pressure (FTP) Sensor
Table 18: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
Table 19: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2
Table 20: Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
Table 21: Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2
Table 22: Ignition Coil 1
Table 23: Ignition Coil 2
Table 24: Ignition Coil 3
Table 25: Ignition Coil 4
Table 26: Ignition Coil 5
Table 27: Ignition Coil 6
Table 28: Ignition Coil 7
Table 29: Ignition Coil 8
Table 30: Intake Air Temperature (IAT)/Mass Air Flow (MAF) Sensor
Table 31: Knock Sensor (KS) 1
Table 32: Knock Sensor (KS) 2
Table 33: Manifold Absolute Pressure (MAP) Sensor
Table 34: Throttle Actuator Control (TAC) Module C1
Table 35: Throttle Actuator Control (TAC) Module C2
Table 36: Throttle Body

Accelerator Pedal Position (APP) Sensor


Object Number: 886053 Size: CH

Connector Part Information
    • 15326842
    • 6-Way F GT 150 Series, Sealed (BK)

Pin

Wire Color

Circuit Number

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 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

BN/WH

633

CMP Sensor Signal

B

PK/BK

632

Low Reference

C

RD

631

12-Volt Reference

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 1 Signal

B

YE/BK

1868

Low Reference

C

L-GN

1867

12-Volt Reference

Engine Coolant Temperature (ECT) Sensor


Object Number: 900247 Size: CH

Connector Part Information
    • 15336024
    • 2-Way F GT 150 SLD (BK)

Pin

Wire Color

Circuit No.

Function

A

GY

720

Low Reference

B

YE

410

ECT Sensor Signal

Engine Oil Pressure (EOP) Sensor


Object Number: 726824 Size: CH

Connector Part Information
    • 15344137
    • 3-Way F GT 150 Sealed 5.2 (BK)

Pin

Wire Color

Circuit No.

Function

1

BK

407

Low Reference

2

GY

705

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 Metri-Pack 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: 833727 Size: CH

Connector Part Information
    • 15411634
    • 2-Way F Micro-Pack 064 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

PK

1239

Ignition 1 Voltage

B

BK

1744

Fuel Injector 1 Control

Fuel Injector 2


Object Number: 833727 Size: CH

Connector Part Information
    • 15411634
    • 2-Way F Micro-Pack 064 Series Sealed (GY)

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: 833727 Size: CH

Connector Part Information
    • 15411634
    • 2-Way F Micro-Pack 064 Series Sealed (GY)

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: 833727 Size: CH

Connector Part Information
    • 15411634
    • 2-Way F Micro-Pack 064 Series Sealed (GY)

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: 833727 Size: CH

Connector Part Information
    • 15411634
    • 2-Way F Micro-Pack 064 Series Sealed (GY)

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: 833727 Size: CH

Connector Part Information
    • 15411634
    • 2-Way F Micro-Pack 064 Series Sealed (GY)

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: 833727 Size: CH

Connector Part Information
    • 15411634
    • 2-Way F Micro-Pack 064 Series Sealed (GY)

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: 833727 Size: CH

Connector Part Information
    • 15411634
    • 2-Way F Micro-Pack 064 Series Sealed (GY)

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: 684948 Size: CH

Connector Part Information
    • 15354716
    • 4-Way F GT 150 Series, Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PU

1589

Fuel Level Sensor Signal

B

GY

120

Fuel Pump Supply Voltage

C

BK

2450

Ground

D

BK

2759

Low Reference

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 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

539

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 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

1539

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 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

539

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 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

1539

Ignition 1 Voltage

Ignition Coil 1


Object Number: 1401799 Size: CH

Connector Part Information
    • 15366040
    • 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
    • 15366040
    • 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
    • 15366040
    • 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
    • 15366040
    • 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
    • 15366040
    • 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
    • 15366040
    • 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
    • 15366040
    • 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
    • 15366040
    • 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

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

Knock Sensor (KS) 1


Object Number: 1229908 Size: CH

Connector Part Information
    • 12103023
    • 1-Way M TWR Series (GY)

Pin

Wire Color

Circuit No.

Function

A

D-BU

496

Knock Sensor 1 Signal

Knock Sensor (KS) 2


Object Number: 1229908 Size: CH

Connector Part Information
    • 12103023
    • 1-Way M TWR Series (GY)

Pin

Wire Color

Circuit No.

Function

A

L-BU

1876

Knock Sensor 2 Signal

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

Throttle Actuator Control (TAC) Module C1


Object Number: 261930 Size: CH

Connector Part Information
    • 12191065
    • 16-Way F Micro-Pack 100 Series (NA)

Pin

Wire Color

Circuit No.

Function

1

D-GN

485

TP Sensor 1 Signal

2

GY

416

5-Volt Reference

3

BK

452

Low Reference

4

D-BU

84

Cruise Control Set/Coast Switch Signal

5

GY/BK

87

Cruise Control Resume/Accel Switch Signal

6

L-BU

1320

Stop Lamp Supply Voltage

7

PK

839

Ignition 1 Voltage

8

BN

582

TAC Motor Control 2

9

L-BU/BK

1688

5-Volt Reference

10

BK/WH

1704

Low Reference

11

PU

486

TP Sensor 2 Signal

12

OG/BK

1061

UART Serial Data

13

D-BU/WH

774

UART Serial Data

14

GY

397

Cruise Control On Switch Signal

15

BK

450

Ground

16

YE

581

TAC Motor Control 1

Throttle Actuator Control (TAC) Module C2


Object Number: 666638 Size: CH

Connector Part Information
    • 12177081
    • 10-Way F 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

PU

1272

Low Reference

C

L-BU

1162

APP Sensor 2 Signal

D

TN

1274

5-Volt Reference

E

--

--

Not Used

F

D-BU

1161

APP Sensor 1 Signal

G

WH/BK

1164

5-Volt Reference

H

--

--

Not Used

J

BN

1271

Low Reference

K

--

--

Not Used

Throttle Body


Object Number: 646400 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

YE

581

TAC Motor Control 1

B

BK/WH

1704

Low Reference

C

BN

582

TAC Motor Control 2

D

BK

452

Low Reference

E

L-BU/BK

1688

5-Volt Reference

F

PU

486

TP Sensor 2 Signal

G

D-GN

485

TP Sensor 1 Signal

H

GY

416

5-Volt Reference