GM Service Manual Online
For 1990-2009 cars only
Connector 1: Clock
Connector 2: Driver Information Display Switch
Connector 3: Engine Oil Level Switch
Connector 4: Engine Oil Pressure (EOP) Switch
Connector 5: Instrument Panel Cluster (IPC)

Clock


Object Number: 1664516  Size: CH

Connector Part Information

  • OEM: 174921-1
  • Service: 88953272
  • Description: 3-Way F (WH)

Terminal Part Information

  • Terminal/Tray: 173630-7/7
  • Core/Insulation Crimp: E/4
  • Release Tool/Test Probe: 15315247/J-35616-33 (YE)

Clock

Pin

Wire Color

Circuit No.

Function

1

OG/PK

1840

Battery Positive Voltage

2

BK

450

Ground

3

YE

1491

Backlight Lamp Control

Driver Information Display Switch


Object Number: 1664548  Size: CH

Connector Part Information

  • OEM: HCMPB-06-K
  • Service: See Catalog
  • Description: 4-Way F (BK)

Terminal Part Information

  • Pins: 1, 2, 3, 5, 6
  • Terminal/Tray: SHCM-A03T-P025/20
  • Core/Insulation Crimp: J/J
  • Release Tool/Test Probe: 12094429/J-35616-64B (L-BU)

Driver Information Display Switch

Pin

Wire Color

Circuit No.

Function

1

D-GN/WH

1358

Driver Information Center Switch Signal

2

BN

897

Driver Information Center Switch Low Reference

3

PK

893

Driver Information Center Select Menu Switch Signal

4

--

--

Not Used

5

YE

1491

Backlight Lamp Control

6

BK

350

Ground

Engine Oil Level Switch


Object Number: 655692  Size: CH

Connector Part Information

  • OEM: 12162195
  • Service: 88987993
  • Description: 2-Way F Metri-Pack 150.2 Series Sealed, Pull To Seat (BK)

Terminal Part Information

  • Pins: A
  • Terminal/Tray: 12124075/5
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12180559-1/J-35616-2A (GY)
  • Pins: B
  • 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

Pin

Wire Color

Circuit No.

Function

A

BN

1174

Oil Level Switch Signal

B

BK/WH

1551

Ground

Engine Oil Pressure (EOP) Switch


Object Number: 1664567  Size: CH

Connector Part Information

  • OEM: 12065298
  • Service: 12085539
  • Description: 4-Way F Metri-Pack 150 Series (BK)

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

Pin

Wire Color

Circuit No.

Function

A

YE/D-GN

231

Oil Pressure Switch Signal

B

BK/WH

1551

Ground

C-D

--

--

Not Used

Instrument Panel Cluster (IPC)


Object Number: 1468761  Size: CH

Connector Part Information

  • OEM: 1326042-1
  • Service: 88987996
  • Description: 26-Way M USCAR - II Class (BK)

Terminal Part Information

  • Pins: 1, 2, 3, 4, 5, 8, 9, 12, 13, 14, 17, 20, 21, 22, 23, 24, 25, 26
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Instrument Panel Cluster (IPC)

Pin

Wire Color

Circuit No.

Function

1

OG/PK

1840

Battery Positive Voltage

2

PK

339

Ignition 1 Voltage

3

D-GN

5060

Low Speed GMLAN Serial Data

4

D-GN

5060

Low Speed GMLAN Serial Data

5

BK

350

Ground

6-7

--

--

Not Used

8

TN/WH

33

Brake Warning Indicator Control

9

BN/WH

419

MIL Control

10-11

--

--

Not Used

12

D-GN/WH

1358

Driver Information Center Switch Signal

13

BN

897

Driver Information Center Switch Low Reference

14

D-BU/WH

5970

Heated Washer Fluid Indicator Control

15-16

--

--

Not Used

17

TN

185

Low Washer Fluid Indicator Signal

18-19

--

--

Not Used

20

PK

893

Driver Information Center Select Menu Switch Signal

21

PU

5234

Passenger Seat Belt Indicator

22

D-BU

2307

Passenger Air Bag On Indicator Control

23

PK/TN

2308

Passenger Air Bag Off Indicator Control

24

L-BU

6996

Adaptive Cruise Control Active Signal

25

L-GN

6997

Adaptive Cruise Vehicle Ahead Sensor

26

L-GN/PU

7050

Adaptive Cruise Control Vehicle Alert Sensor