GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2007 🢒 Lucerne 🢒 HVAC 🢒 HVAC - Automatic 🢒 Displays and Gages Connector End Views
Connector 1: Driver Information Display Switch
Connector 2: Engine Oil Level Switch (L26)
Connector 3: Engine Oil Pressure (EOP) Switch
Connector 4: Instrument Panel Cluster (IPC)

Driver Information Display Switch
Object Number: 1664548 Size: CH

Connector Part Information

  • OEM: HCMPB-06-K
  • Service: 19115655
  • Description: 6-Way F (BK)

Terminal Part Information

  • Pins: 1, 2, 3, 4, 5
  • 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

YE

1491

Backlight Lamp Control

5

BK

350

Ground

6

--

--

Not Used

Engine Oil Level Switch (L26)
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 (L26)

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: 1664552 Size: CH

Connector Part Information

  • OEM: 31410-1200
  • Service: 15126711
  • Description: 20-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

Instrument Panel Cluster (IPC)

Pin

Wire Color

Circuit No.

Function

1-2

D-GN

5060

Low Speed GMLAN Serial Data

3

--

--

Not Used

4

BN/WH

419

MIL Control

5-6

BK

350

Ground

7

--

--

Not Used

8

GY

8

Instrument Panel Lamp Supply Voltage

9

--

--

Not Used

10

OG/PK

1840

Battery Positive Voltage

11

PU

5234

Passenger Seat Belt Indicator

12

D-BU

2307

Passenger Air Bag On Indicator Control

13

PK/TN

2308

Passenger Air Bag Off Indicator Control

14

TN

185

Low Washer Fluid Indicator Signal

15

TN/WH

33

Brake Warning Indicator Control

16

PK

893

Driver Information Center Select Menu Switch Signal

17

D-GN/WH

1358

Driver Information Center Switch Signal

18

BN

897

Driver Information Center Switch Low Reference

19

D-BU/WH

5970

Heated Washer Fluid Indicator Control (XA7)

20

PK

339

Ignition 1 Voltage