GM Service Manual Online
For 1990-2009 cars only
Connector 1: Ambient Air Temperature Sensor
Connector 2: Driver Information Center (DIC) Switch
Connector 3: Engine Oil Level Switch (LZE, LZ4, LZ8)
Connector 4: Engine Oil Level Switch (LS4)
Connector 5: Engine Oil Pressure (EOP) Sensor
Connector 6: Instrument Panel Cluster (IPC)

Ambient Air Temperature Sensor


Object Number: 684793  Size: CH

Connector Part Information

  • OEM: 12052642
  • Service: 12101856
  • Description: 2-Way F Metri-Pack 150 Series Sealed (GN)

Terminal Part Information

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

Ambient Air Temperature Sensor

Pin

Wire Color

Circuit No.

Function

A

L-GN/BK

735

Ambient Air Temperature Sensor Signal

B

YE

61

Low Reference

Driver Information Center (DIC) Switch


Object Number: 1673494  Size: CH

Connector Part Information

  • OEM: 15491277
  • Service: 88988747
  • Description: 5-Way F HCM (BK)

Terminal Part Information

  • Terminal/Tray: SHCM-A03T-P025/20
  • Core/Insulation Crimp: J/J
  • Release Tool/Test Probe: 12094429/J-35616-64A (L-BU)

Driver Information Center (DIC) Switch

Pin

Wire Color

Circuit No.

Function

1

D-GN/WH

1358

DIC Switch Signal

2

BN

897

DIC Switch Low Reference

3

PK

893

DIC Select Menu Switch Signal

4

PU/WH

1382

LED Dimming Supply

5

BK

1450

Ground

Engine Oil Level Switch (LZE, LZ4, LZ8)


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 (LZE, LZ4, LZ8)

Pin

Wire Color

Circuit No.

Function

A

BN

1174

Oil Level Switch Signal

B

BK/WH

451

Ground

Engine Oil Level Switch (LS4)


Object Number: 646415  Size: CH

Connector Part Information

  • OEM: 15326808
  • Service: 15306388
  • Description: 3-Way F GT 150 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 Switch (LS4)

Pin

Wire Color

Circuit No.

Function

A

BK/WH

451

Ground

B

--

--

Not Used

C

BN

1174

Oil Level Switch Signal

Engine Oil Pressure (EOP) Sensor


Object Number: 1519475  Size: CH

Connector Part Information

  • OEM: 15477863
  • Service: 88988301
  • Description: 3-Way F GT 150 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

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

Instrument Panel Cluster (IPC)


Object Number: 1664552  Size: CH

Connector Part Information

  • OEM: 15489824
  • Service: 15126711
  • Description: 20-Way F Receptacle 0.64 (BK)

Terminal Part Information

  • Terminal/Tray: 7116-4618-02/14
  • Core/Insulation Crimp: P/P
  • Release Tool/Test Probe: J-38125-215/J-35616-64A (L-BU)

Instrument Panel Cluster (IPC)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

D-GN/BK

5060

Low Speed GMLAN Serial Data

3

--

--

Not Used

4

BN/WH

419

MIL Control

5

BK/WH

1551

Ground

6

BK

1450

Ground

7

--

--

Not Used

8

GY

8

Instrument Panel Lamp Supply Voltage

9

--

--

Not Used

10

RD/WH

1840

Battery Positive Voltage

11

PU

5234

Passenger Seat Belt Indicator Control

12

D-BU

2307

Passenger Air Bag On Indicator Control

13

D-GN

2308

Passenger Air Bag Off Indicator Control

14

TN

185

Low Washer Fluid Indicator Control

15

TN/WH

33

Brake Warning Indicator Control

16

PK

893

DIC Select Menu Switch Signal

17

D-GN/WH

1358

DIC Switch Signal

18

BN

897

DIC Switch Low Reference

19

--

--

Not Used

20

PK

1139

Ignition 1 Voltage