GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2000 🢒 Express 🢒 Engine 🢒 Engine Electrical 🢒 Engine Controls Connector End Views
Table 1: Accelerator Pedal Position Module Connector
Table 2: Boost Pressure Sensor Connector
Table 3: Crankshaft Position Sensor Connector
Table 4: Engine Coolant Temperature (ECT) Sensor Connector
Table 5: Engine (Fuel) Shut off Solenoid Connector
Table 6: Fuel Heater Connector
Table 7: Fuel Lift Pump Connector
Table 8: Fuel Solenoid Driver Connector
Table 9: Glow Plug Relay Connector (Federal)
Table 10: Ignition Timing Stepper Motor Connector
Table 11: Intake Air Temperature (IAT) Sensor Connector
Table 12: Optical Fuel Temperature Sensor Connector
Table 13: Park/Neutral Position Switch (C1)
Table 14: Park/Neutral Position Switch (C2)
Table 15: Vehicle Speed Sensor (VSS) Connector
Table 16: Vehicle Speed Sensor (VSSB) Buffer
Table 17: Wastegate Solenoid Connector
Table 18: Water In Fuel Sensor Connector

Accelerator Pedal Position Module Connector


Object Number: 287956 Size: CH

Connector Part Information
    • 12177081
    • ASM 10F M/P 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

1271

Sensor Ground

B

PPL

1272

Sensor Ground

C

LT BLU

1162

APP Sensor Signal #2

D

TAN

1274

APP#2 - 5 Volt Reference

E

YEL/BLK

1275

APP#3 - 5 Volt Reference

F

DK BLU

1161

APP Sensor Signal #1

G

WHT/BLK

1164

APP#1 - 5 Volt Reference

H

--

--

Not Used

J

GRY

1273

Sensor Ground

K

DK GRN

1163

APP Sensor Signal #3

Boost Pressure Sensor Connector


Object Number: 280779 Size: CH

Connector Part Information
    • 12103771
    • ASM 3M W/P TWR (WHT)

Pin

Wire Color

Circuit No.

Function

A

BLK

470

Sensor Ground

B

LT GRN

432

Boost Sensor Signal

C

GRY

416

5 Volt Reference

Crankshaft Position Sensor Connector


Object Number: 68730 Size: CH

Connector Part Information
    • 12110293
    • ASM 3F M/P 150 SLD (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

573

Crankshaft Position Sensor Signal

B

PPL

574

Crankshaft Position Sensor Return

C

GRY

416

5 Volt Reference

Engine Coolant Temperature (ECT) Sensor Connector


Object Number: 232831 Size: CH

Connector Part Information
    • 12162194
    • ASM 2F M/P 150.2 P2S (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

410

Coolant Temperature Sensor Signal

B

BLK

470

Sensor Return

Engine (Fuel) Shut off Solenoid Connector


Object Number: 333039 Size: CH

Connector Part Information
    • 12052644
    • ASM 2F M/P 150 (LT GRY)

Pin

Wire Color

Circuit No.

Function

A

DK BLU/WHT

259

Fuel Shut off Solenoid Output

B

PNK

239

Fuse Output - Ignition 1 - Type III Fuse

Fuel Heater Connector


Object Number: 333039 Size: CH

Connector Part Information
    • 12052644
    • ASM 2F M/P 150 (LT GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK

150

Fuel Heater Ground

B

PNK

539

Fuse Output - Ignition 1 - Type III Fuse

Fuel Lift Pump Connector


Object Number: 258174 Size: CH

Connector Part Information
    • 12059473
    • ASM 2M W/P SHD (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

150

Ground

B

GRY

120

Fuel Pump Motor Feed

Fuel Solenoid Driver Connector


Object Number: 289326 Size: CH

Connector Part Information
    • 12186568
    • ASM 4F M/P 150 SLD (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

260

Fuel Solenoid Module Feed

B

BLK

491

Fuel Solenoid Return

C

PNK

239

Fuse Output - Ignition 1 - Type III Fuse

D

RED

313

Fuel Solenoid Closure Signal

Glow Plug Relay Connector (Federal)


Object Number: 62433 Size: CH

Connector Part Information
    • 12045636
    • CONN 4F M/P 280 SLD (MD GRY)

Pin

Wire Color

Circuit No.

Function

A

PNK

339

Fuse Output - Ignition 1 - Type III Fuse

B

YEL

505

Glow Plug Relay Feed

C

BLK

550

Ground

D

--

--

Not Used

Ignition Timing Stepper Motor Connector


Object Number: 38608 Size: CH

Connector Part Information
    • 12162189
    • ASM 4F M/P 150.2 P2S SLD (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/BLK

1030

Coil 1 Low

B

ORN/BLK

1032

Coil 2 Low

C

YEL/BLK

1033

Coil 2 High

D

RED/BLK

1031

Coil 1 High

Intake Air Temperature (IAT) Sensor Connector


Object Number: 68719 Size: CH

Connector Part Information
    • 12162198
    • ASM 2F M/P 150.2 P2S SLD (MD GRY)

Pin

Wire Color

Circuit No.

Function

A

TAN

472

IAT Sensor Signal

B

BLK

470

IAT Sensor Return

Optical Fuel Temperature Sensor Connector


Object Number: 62449 Size: CH

Connector Part Information
    • 12052848
    • ASM 6F M/P 150 SLD (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

474

5 Volt Reference

B

BRN/WHT

633

Camshaft Position Sensor (CMP) Signal

C

ORN

1799

CMP Sensor Signal (High Resolution)

D

PNK/BLK

632

Sensor Return

E

YEL

1578

Fuel Temperature Signal

F

PNK/BLK

632

Sensor Return

Park/Neutral Position Switch (C1)


Object Number: 68780 Size: CH

Connector Part Information
    • 12129840
    • 7-Way Female M/P Mixed (GRY)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

LT GRN

275

Transmission Mounted Neutral Safety Switch Output - Park

C

PNK

139

Fuse Output - Ignition 1 - Type 3 Fuse

D

BLK

150

Ground

E

PPL

806

Fuse Output - Crank - Type 3 Fuse

F

LT GRN

24

Back-up Lamp Feed

G

YEL

1737

Transmission Mounted Neutral Safety Switch Output - Park/Neutral

Park/Neutral Position Switch (C2)


Object Number: 40412 Size: CH

Connector Part Information
    • 12191757
    • 4-Way Female M/P 150 (NAT)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

771

Transmission Position Switch Signal - Bit 1

B

GRY

773

Transmission Position Switch Signal - Bit 3

C

WHT

776

Transmission Position Switch Signal - Parity Bit

D

YEL

772

Transmission Position Switch Signal - Bit 2

Vehicle Speed Sensor (VSS) Connector


Object Number: 232831 Size: CH

Connector Part Information
    • 12162194
    • ASM 2F M/P 150.2 P2S SLD (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL/WHT

821

Vehicle Speed Sensor Signal

B

LT GRN/BLK

822

Vehicle Speed Sensor Return

Vehicle Speed Sensor (VSSB) Buffer


Object Number: 62467 Size: CH

Connector Part Information
    • 12066130
    •  CONN 9F MIC/P 100 (NAT)

Pin

Wire Color

Circuit No.

Function

7

LT GRN/BLK

822

Vehicle Speed Sensor Return

8

BLK/WHT

451

Ground

9

PNK

39

Fuse Output - Ign 1 - Type III Fuse

10

YEL/BLK

1827

Vehicle Speed Signal (128,000 Pulses Per Mile)

11

--

--

Not Used

12

PPL/WHT

821

Vehicle Speed Sensor Signal

13

BRN

437

Vehicle Speed Signal

14

DK GRN/WHT

817

Vehicle Speed Signal (4000 Pulses Per Mile)

15

DK GRN

389

Vehicle Speed Signal (4000 Pulses Per Mile)

Wastegate Solenoid Connector


Object Number: 35437 Size: CH

Connector Part Information
    • 12052641
    • ASM 2F M/P 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

339

Fuse Output - Ignition 1 - Type III Fuse

B

YEL

258

Wastegate Solenoid Output

Water In Fuel Sensor Connector


Object Number: 68730 Size: CH

Connector Part Information
    • 12110293
    • ASM 3F M/P 150 SLD (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

539

Fuse Output - Ignition 1 - Type III Fuse

B

YEL/BLK

508

Water In Fuel Indicator Lamp Output

C

BLK

150

Ground