GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2005 🢒 TopKick C-Series (Conventional) C6/C7/C8 🢒 Engine 🢒 Engine Controls - 7.8L 🢒 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: Exhaust Gas Recirculation (EGR) Valve
Table 6: Fuel Heater (C30)
Table 7: Fuel Rail Pressure (FRP) Sensor
Table 8: Fuel Temperature Sensor
Table 9: Glow Plug Relay
Table 10: High Idle Switch (UF3)
Table 11: Manifold Absolute Pressure (MAP) Sensor
Table 12: Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
Table 13: Suction Control Valve (SCV)
Table 14: Turbocharger Vane Position (TVP) Control Solenoid Valve
Table 15: Turbocharger Vane Position (TVP) Sensor

Accelerator Pedal Position (APP) Sensor


Object Number: 632344 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

D-GN

1163

APP Sensor 3 Signal

B

YE/BK

1275

5-Volt Reference

C

--

--

Not Used

D

WH/BK

1164

5-Volt Reference

E

D-BU

1161

APP Sensor 1 Signal

F

GY

1273

Low Reference

G

PU

1272

Low Reference

H

L-BU

1162

APP Sensor 2 Signal

J

TN

1274

5-Volt Reference

K

BN

1271

Low Reference

Camshaft Position (CMP) Sensor


Object Number: 1427859 Size: CH

Connector Part Information
    • 6189-0042
    • 3-Way F Sumitomo (BK)

Pin

Wire Color

Circuit No.

Function

A

RD

B51

5-Volt Reference

B

WH

B30

CMP Sensor Signal

C

BK

B18

Low Reference

Crankshaft Position (CKP) Sensor


Object Number: 1428251 Size: CH

Connector Part Information
    • 7383-7526-40
    • 2-Way F Yazaki (L-GY)

Pin

Wire Color

Circuit No.

Function

A

WH

B31

CKP Sensor High

B

BK

B32

CKP Sensor Low

Engine Coolant Temperature (ECT) Sensor


Object Number: 1427866 Size: CH

Connector Part Information
    • 7323-6538-90
    • 3-Way F Yazaki (BU)

Pin

Wire Color

Circuit No.

Function

A

BK/YE

IZ01

Low Reference

B

RD

B42A

Fuel Temperature Sensor 2 Signal

C

D-BU/WH

B35A

Coolant Temperature Signal

Exhaust Gas Recirculation (EGR) Valve


Object Number: 655815 Size: CH

Connector Part Information
    • 7383-7283-30
    • 8-Way F Yazaki (BK)

Pin

Wire Color

Circuit No.

Function

A

D-BU/RD

B38

U Motor Position

B

WH/RD

B39

V Motor Position

C

--

--

Not Available

D

YE/RD

B40

W Motor Position

E

WH

B49

5-Volt Reference

F

BK/WH

B7

U Motor Signal

G

D-GN

B8

V Motor Signal

H

--

--

Not Available

J

RD/YE

B9

W Motor Signal

K

WH/BK

B17

Low Reference

Fuel Heater (C30)


Object Number: 1428179 Size: CH

Connector Part Information
    • 7318-3324-30
    • 2-Way M Yazaki (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

IC35

Fuel Heater Supply Voltage

B

BK

IC36

Ground

Fuel Rail Pressure (FRP) Sensor


Object Number: 1427856 Size: CH

Connector Part Information
    • 7323-1537-30
    • 3-Way F Yazaki (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

B13

Low Reference

B

WH

B25

FRP Sensor Signal

C

RD

B47

5-Volt Reference

Fuel Temperature Sensor


Object Number: 1428251 Size: CH

Connector Part Information
    • 7383-8326-10
    • 2-Way F Yazaki (D-GY)

Pin

Wire Color

Circuit No.

Function

A

BK/YE

IZ02

Low Reference

B

YE

B41

Fuel Temperature Sensor Signal

Glow Plug Relay


Object Number: 603108 Size: CH

Connector Part Information
    • 15336743 Body
    • 15409460 Body Seal
    • 15336744 TPA Lock
    • 4-Way F GT 280/Metri-Pack 800 Series, Sealed (GY)

Pin

Wire Color

Circuit No

Function

30

OG

503

Glow Plug Supply Voltage - Bank 1

85

BK/WH

1120

ECM Voltage Supply

86

YE

505

Glow Plug Relay Control

87

RD

2

Battery Positive Voltage

High Idle Switch (UF3)


Object Number: 304345 Size: CH

Connector Part Information
    • 12177195
    • 6-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

750

Ground

B

BK

750

Ground

C

D-GN

534

High Idle Switch Signal

D

BN

441

Ignition 3 Voltage

E

BN

2509

Left Rear Park Lamps Supply Voltage

F

OG

2013

High Idle Indicator Control

Manifold Absolute Pressure (MAP) Sensor


Object Number: 684840 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

BK

B12

Low Reference

B

WH

B24

MAP Sensor Signal

C

RD

B46

5-Volt Reference

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


Object Number: 1427690 Size: CH

Connector Part Information
    • 9920-8411
    • 5-Way F Sumitomo (BK)

Pin

Wire Color

Circuit No.

Function

1

RD

IC01

Ignition 1 Voltage

2

BK

B15

Low Reference

3

WH

B28

MAF Sensor Signal

4

D-GN/WH

B37

IAT Sensor Signal

5

BK/YE

IZ04

Low Reference

Suction Control Valve (SCV)


Object Number: 1428251 Size: CH

Connector Part Information
    • 7323-8827-80
    • 2-Way F Yazaki (BN)

Pin

Wire Color

Circuit No.

Function

A

RD

B20

SCV Low Signal

B

WH

B33

SCV High Signal

Turbocharger Vane Position (TVP) Control Solenoid Valve


Object Number: 1427687 Size: CH

Connector Part Information
    • 12162214
    • 2-Way F Metri-Pack 150.2 Series, Pull To Seat, Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

RD

IC02

Ignition 1 Voltage

B

BK

B1

TVP Control Solenoid Valve Control

Turbocharger Vane Position (TVP) Sensor


Object Number: 1427688 Size: CH

Connector Part Information
    • 7283-4245-30
    • 4-Way F Yazaki (BK)

Pin

Wire Color

Circuit No.

Function

1

RD

B50

5-Volt Reverence

2

BK

B16

Low Reference

3

WH

B29

TVP Sensor Signal

4

--

--

Not Used