GM Service Manual Online
For 1990-2009 cars only
Connector 1: Engine Oil Level Sensor (LZ4/LZ9)
Connector 2: Engine Oil Pressure (EOP) Sensor (LZ4/LZ9)
Connector 3: Engine Oil Pressure (EOP) Switch (LE5)
Connector 4: Engine Oil Pressure (EOP) Switch (LY7)
Connector 5: Instrument Panel Cluster (IPC)

Engine Oil Level Sensor (LZ4/LZ9)


Object Number: 635009  Size: CH

Connector Part Information

  • OEM: 12052641
  • Service: 12102747
  • Description: 2-Way F Metri-Pack 150 Series Sealed (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 Sensor (LZ4/LZ9)

Pin

Wire Color

Circuit No.

Function

A

BK

1174

Oil Level Switch Signal

B

OG/BK

1175

Low Reference

Engine Oil Pressure (EOP) Sensor (LZ4/LZ9)


Object Number: 1519475  Size: CH

Connector Part Information

  • OEM: 15477863
  • Service: 88988301
  • Description: 3-Way F GT 150 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 15326267/19
  • Core/Insulation Crimp: E/4
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Engine Oil Pressure (EOP) Sensor (LZ4/LZ9)

Pin

Wire Color

Circuit No.

Function

1

BK

2755

Low Reference

2

GY

2705

5-Volt Reference 1

3

TN/WH

331

Oil Pressure Sensor Signal

Engine Oil Pressure (EOP) Switch (LE5)


Object Number: 516595  Size: CH

Connector Part Information

  • OEM: 12065299
  • Service: 12085500
  • Description: 1-Way F Metri-Pack 150 Series Sealed (L-GY)

Terminal Part Information

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

Engine Oil Pressure (EOP) Switch (LE5)

Pin

Wire Color

Circuit No.

Function

A

TN/BK

231

Oil Pressure Switch Signal

Engine Oil Pressure (EOP) Switch (LY7)


Object Number: 516616  Size: CH

Connector Part Information

  • OEM: 12065400
  • Service: 12126436
  • Description: 4-Way F Metri-Pack 150 Series (GN)

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) Switch (LY7)

Pin

Wire Color

Circuit No.

Function

A

TN/BK

231

Oil Pressure Switch Signal

B

BK

2755

Low Reference

C-D

--

--

Not Available

Instrument Panel Cluster (IPC)


Object Number: 73152  Size: CH

Connector Part Information

  • OEM: 12084945
  • Service: 12084945
  • Description: 16-Way F Micro-Pack 100 Series (GY)

Terminal Part Information

  • Pins: A6
  • Terminal/Tray: 12146448/19
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)
  • Pins: A-A8, B-B2, B4-B5
  • 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-A5

--

--

Not Used

A6

BK/WH

651

Ground

A7

D-GN

5060

Low Speed GMLAN Serial Data

A8

D-GN

5060

Low Speed GMLAN Serial Data

B1

D-GN

264

Security Indicator Supply Voltage

B2

BN/WH

419

MIL Control

B3

--

--

Not Used

B4

PK

3

Ignition 1 Voltage

B5

RD/WH

1440

Battery Positive Voltage

B6-B8

--

--

Not Used