GM Service Manual Online
For 1990-2009 cars only
Connector 1: Driver Information Center (DIC) Switch
Connector 2: Engine Oil Pressure (EOP) Sensor - 5.3L
Connector 3: Engine Oil Pressure (EOP) Switch - 4.2L
Connector 4: Instrument Panel Cluster (IPC)

Driver Information Center (DIC) Switch


Object Number: 1527732  Size: CH

Connector Part Information

  • OEM: 15456018
  • Service: 89047304
  • Description: 9-Way F HCM Unsealed (BK)

Terminal Part Information

  • Pins: 1-6, 9
  • Terminal/Tray: SHCM-A03T-P025/20
  • Core/Insulation Crimp: J/J
  • Release Tool/Test Probe: 12094429/J-35616-64B (L-BU)

Driver Information Center (DIC) Switch

Pin

Wire Color

Circuit No.

Function

1

D-BU

894

Theft Deterrent Alarm Enable Signal

2

WH

111

DIC Toggle Switch Signal

3

D-GN/WH

1358

DIC Switch Signal

4

OG

1816

DIC Set/Reset Switch Signal

5

BK

2250

Ground

6

YE

1327

DIC Fuel Signal

7-8

--

--

Not Used

9

BN/WH

230

Instrument Panel Lamps Dimming Control

Engine Oil Pressure (EOP) Sensor - 5.3L


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 - 5.3L

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) Switch - 4.2L


Object Number: 516616  Size: CH

Connector Part Information

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

Terminal Part Information

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

Engine Oil Pressure (EOP) Switch - 4.2L

Pin

Wire Color

Circuit No.

Function

A

TN/BK

231

Oil Pressure Switch Signal

B

PU

114

Low Oil Pressure Switch Signal

C-D

--

--

Not Used

Instrument Panel Cluster (IPC)


Object Number: 73156  Size: CH

Connector Part Information

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

Terminal Part Information

  • Pins: A1-A2, A4-A5, A7-A12, B1, B4, B7, B9-B10, B12
  • 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

YE

618

Left Rear Turn Signal Lamp Supply Voltage

A2

OG

2340

Battery Positive Voltage

A3

--

--

Not Used

A4

BK/WH

751

Ground

A5

BK

2250

Ground

A6

--

--

Not Used

A7

BN/WH

230

Instrument Panel Lamps Dimming Control

A8

YE

1327

DIC Fuel Signal

A9

D-GN/WH

1358

DIC Switch Signal

A10

D-BU

894

DIC Toggle Switch Signal

A11

OG

1816

DIC Set/Reset Switch Signal

A12

WH

121

Engine Speed Signal

B1

GY

1036

IPC Class 2 Serial Data

B2-B3

--

--

Not Used

B4

BN/WH

419

MIL Control

B5-B6

--

--

Not Used

B7

PK

639

Ignition 1 Voltage

B8

--

--

Not Used

B9

D-GN/WH

817

Vehicle Speed Signal

B10

D-GN

619

Right Turn Signal Lamps Supply Voltage

B11

--

--

Not Used

B12

BK/WH

174

Low Washer Fluid Indicator Signal