GM Service Manual Online
For 1990-2009 cars only
Connector 1: Engine Oil Level Switch - 4.8, 5.3, 6.0L
Connector 2: Engine Oil Level Switch - Diesel
Connector 3: Engine Oil Level Switch - 8.1L
Connector 4: Engine Oil Pressure (EOP) Sensor - Gas
Connector 5: Engine Oil Pressure (EOP) Sensor - Diesel
Connector 6: Fuel Pump/Sender Assembly - Primary - All Gas Except L59
Connector 7: Fuel Pump/Sender Assembly - Primary - L59 Only
Connector 8: Fuel Pump/Sender Assembly - Secondary - Gas
Connector 9: Fuel Level Sensor - Primary - Diesel
Connector 10: Fuel Level Sensor - Secondary - Diesel
Connector 11: Instrument Panel Cluster (IPC)
Connector 12: Water In Fuel (WIF) Sensor - Diesel

Engine Oil Level Switch - 4.8, 5.3, 6.0L


Object Number: 635009  Size: CH

Connector Part Information

  • OEM: 12052641
  • Service: 12102747
  • Description: 2-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12048074/2
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Engine Oil Level Switch - 4.8, 5.3, 6.0L

Pin

Wire Color

Circuit No.

Function

A

BN

1174

Oil Level Switch Signal

B

BK/WH

451

Ground

Engine Oil Level Switch - Diesel


Object Number: 684833  Size: CH

Connector Part Information

  • OEM: 12129140
  • Service: 12085491
  • Description: 2-Way F Metri-Pack 280.1 Series (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Engine Oil Level Switch - Diesel

Pin

Wire Color

Circuit No.

Function

A

BN

1174

Oil Level Switch Signal

B

L-GN/WH

IC69

Ground

Engine Oil Level Switch - 8.1L


Object Number: 655791  Size: CH

Connector Part Information

  • OEM: 15324478
  • Service: 88953151
  • Description: 2-Way F Metri-Pack 150 Series (TN)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Engine Oil Level Switch - 8.1L

Pin

Wire Color

Circuit No.

Function

A

BN

1174

Oil Level Switch Signal

B

BK/WH

451

Ground

Engine Oil Pressure (EOP) Sensor - Gas


Object Number: 726824  Size: CH

Connector Part Information

  • OEM: 15344137
  • Service: 88988301
  • Description: 3-Way F GT 150 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Engine Oil Pressure (EOP) Sensor - Gas

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

Engine Oil Pressure (EOP) Sensor - Diesel


Object Number: 826262  Size: CH

Connector Part Information

  • OEM: 61890099
  • Service: See Catalog
  • Description: 3-Way F Sumitomo (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Engine Oil Pressure (EOP) Sensor - Diesel

Pin

Wire Color

Circuit No.

Function

1

BK

2755

Low Reference

2

TN/WH

332

Oil Pressure Sensor Signal

3

GY

2705

5-Volt Reference

Fuel Pump/Sender Assembly - Primary - All Gas Except L59


Object Number: 684908  Size: CH

Connector Part Information

  • OEM: 15326631
  • Service: 15306360
  • Description: 4-Way F Metri-Pack 150 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 15304719/19
  • Core/Insulation Crimp: Pins A, D - 2/5
  • Core/Insulation Crimp: Pins B, C - E/5
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Fuel Pump/Sender Assembly - Primary - All Gas Except L59

Pin

Wire Color

Circuit No.

Function

A

BK

2150

Ground

B

BK

470

Low Reference

C

PU

1589

Fuel Level Sensor Signal - Primary

D

GY

120

Fuel Pump Supply Voltage

Fuel Pump/Sender Assembly - Primary - L59 Only


Object Number: 280761  Size: CH

Connector Part Information

  • OEM: 12160825
  • Service: 15305801
  • Description: 4-Way F Metri-Pack Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Fuel Pump/Sender Assembly - Primary - L59 Only

Pin

Wire Color

Circuit No.

Function

A

PU

1589

Fuel Level Sensor Signal - Primary

B

GY

120

Fuel Pump Supply Voltage

C

BK

2150

Ground

D

BK

470

Low Reference

Fuel Pump/Sender Assembly - Secondary - Gas


Object Number: 684908  Size: CH

Connector Part Information

  • OEM: 15326631
  • Service: 15306360
  • Description: 4-Way F Metri-Pack 150 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 15304719/19
  • Core/Insulation Crimp: Pins A, D - 2/5
  • Core/Insulation Crimp: Pins B, C - E/5
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Fuel Pump/Sender Assembly - Secondary - Gas

Pin

Wire Color

Circuit No.

Function

A

BK

2150

Ground

B

BK

470

Low Reference

C

D-BU

1936

Fuel Level Sensor Signal - Secondary

D

L-GN

1058

Fuel Balance Pump Supply Voltage

Fuel Level Sensor - Primary - Diesel


Object Number: 684908  Size: CH

Connector Part Information

  • OEM: 15326631
  • Service: 15306360
  • Description: 4-Way Metri-Pack 150 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 15304719/19
  • Core/Insulation Crimp: E/5
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Fuel Level Sensor - Primary - Diesel

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

BK

470

Low Reference

C

PU

1589

Fuel Level Sensor Signal - Primary

D

--

--

Not Used

Fuel Level Sensor - Secondary - Diesel


Object Number: 684847  Size: CH

Connector Part Information

  • OEM: 12160563
  • Service: 12160563
  • Description: 2-Way Metri-Pack 150 Series Sealed (NA)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Fuel Level Sensor - Secondary - Diesel

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

BK

470

Low Reference

C

D-BU

1936

Fuel Level Sensor Signal - Secondary

D

--

--

Not Used

Instrument Panel Cluster (IPC)


Object Number: 73156  Size: CH

Connector Part Information

  • OEM: 12110088
  • Service: 15306210
  • Description: 24-Way F Micro-Pack 100 Series (GY)

Terminal Part Information

  • Terminal/Tray: 12146447/3
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)

Instrument Panel Cluster (IPC)

Pin

Wire Color

Circuit No.

Function

A1

BN/WH

419

MIL Control

A2

D-BU

507

Wait to Start Indicator Control (Diesel)

A3

BK/WH

174

Low Washer Fluid Indicator Supply Voltage (Except 4.3L w/o YE9)

A4

D-GN/WH

817

Vehicle Speed Signal

A5

WH

121

Engine Speed Signal

A6

GY

1036

Class 2 Serial Data

A7

--

--

Not Used

A8

D-BU

2115

Right Turn Signal Lamps Supply Voltage

A9

D-BU

2713

Supplemental Brake Assist Signal (JC4)

A10

D-GN/WH

1932

Transmission Shift Select Switch (Park) Signal

A11

RD

2353

Instrument Panel Lamps Dimming Supply Voltage

A12

BK

1050

Ground

B1

L-BU

2114

Left Turn Signal Lamps Supply Voltage

B2-B3

--

--

Not Used

B4

OG

1816

DIC Mode Switch Signal

B5

D-BU

894

DIC Toggle Switch Signal

B6

D-GN/WH

1358

DIC Switch Signal

B7

YE

1327

DIC Fuel Signal

B8

--

--

Not Used

B9

PK

639

Ignition 1 Voltage (w/o 8S8)

PK

739

Ignition 1 Voltage (w/8S8)

B10

--

--

Not Used

B11

OG

2840

Battery Positive Voltage (w/o 8S8)

OG

4540

Battery Positive Voltage (w/8S8)

B12

BK/WH

1851

Ground

Water In Fuel (WIF) Sensor - Diesel


Object Number: 1428179  Size: CH

Connector Part Information

  • OEM: 7318-3324-30
  • Service: See Catalog
  • Description: 2-Way F (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Water In Fuel (WIF) Sensor - Diesel

Pin

Wire Color

Circuit No.

Function

A

YE/BK

508

Water In Fuel Indicator Control

B

BK

IC91

Ground