GM Service Manual Online
For 1990-2009 cars only
Connector 1: Ambient Temperature Sensor (UH9)
Connector 2: Driver Information Center (DIC) Switch (UH9)
Connector 3: Engine Oil Pressure (EOP) Sensor (LY7)
Connector 4: Engine Oil Pressure (EOP) Switch (LX9)
Connector 5: Head Up Display (HUD) Switch (UV6)
Connector 6: Head Up Display (HUD) (UV6)
Connector 7: Ignition Key Alarm Switch
Connector 8: Instrument Panel Cluster (IPC)

Ambient Temperature Sensor (UH9)


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)

Ambient Temperature Sensor (UH9)

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 (UH9)


Object Number: 280764  Size: CH

Connector Part Information

  • OEM: 12064993
  • Service: 12102485
  • Description: 6-Way F Micro-Pack 100 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12146447/3
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)

Driver Information Center (DIC) Switch (UH9)

Pin

Wire Color

Circuit No.

Function

5

GY

8

Instrument Panel Lamp Supply Voltage

6

BK

1450

Ground

7

BK

1550

Ground

8

PK

893

DIC Select Menu Switch Signal

9

D-GN/WH

1358

DIC Switch Signal

10

--

--

Not Used

Engine Oil Pressure (EOP) Sensor (LY7)


Object Number: 258299  Size: CH

Connector Part Information

  • OEM: 12065287
  • Service: 88988301
  • Description: 3-Way F Metri-Pack 150.2 Series Sealed (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

Engine Oil Pressure (EOP) Sensor (LY7)

Pin

Wire Color

Circuit No.

Function

A

TN

470

Low Reference

B

GY

605

5-Volt Reference

C

TN/BK

231

Engine Oil Pressure Switch Signal

Engine Oil Pressure (EOP) Switch (LX9)


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: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Engine Oil Pressure (EOP) Switch (LX9)

Pin

Wire Color

Circuit No.

Function

A

TN/BK

231

Engine Oil Pressure Switch Signal

Head Up Display (HUD) Switch (UV6)


Object Number: 40427  Size: CH

Connector Part Information

  • OEM: 12064978
  • Service: 12125678
  • Description: 6-Way F Micro-Pack 100 Series (GY)

Terminal Part Information

  • Terminal/Tray: 12146447/3
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)

Head Up Display (HUD) Switch (UV6)

Pin

Wire Color

Circuit No.

Function

1

GY

8

Instrument Panel Lamp Supply Voltage

2

BK

1450

Ground

3

BK

1550

Ground

4

YE

621

HUD Image Up Signal

5

BN

620

HUD Image Down Signal

6

WH

717

Illuminated Display Signal

Head Up Display (HUD) (UV6)


Object Number: 73151  Size: CH

Connector Part Information

  • OEM: 12064799
  • Service: 15305996
  • Description: 12-Way F Micro-Pack 100 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12146447/3
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)

Head Up Display (HUD) (UV6)

Pin

Wire Color

Circuit No.

Function

A

BK

1550

Ground

B

BK

1450

Ground

C

OG

5240

Battery Positive Voltage

D

L-BU

14

Left Turn Signal Lamps Supply Voltage

E

D-BU

15

Right Turn Signal Lamps Supply Voltage

F

WH

717

Illuminated Display Signal

G

BK

9936

Class 2 Serial Data

H

YE

621

HUD Image Up Signal

J

BN

620

HUD Image Down Signal

K-L

--

--

Not Used

M

BN

241

Ignition 3 Voltage

Ignition Key Alarm Switch


Object Number: 258301  Size: CH

Connector Part Information

  • OEM: 12059254
  • Service: 12126020
  • Description: 2-Way M Metri-Pack 150 Series (L-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

Ignition Key Alarm Switch

Pin

Wire Color

Circuit No.

Function

A

L-GN

80

Key In Ignition Switch Signal

B

BK

1550

Ground

Instrument Panel Cluster (IPC)


Object Number: 73156  Size: CH

Connector Part Information

  • OEM: 12110088
  • Service: 15306210
  • Description: 24-Way F Micro-Pack 100 Series (GY)

Terminal Part Information

  • 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

D-BU

15

Right Turn Signal Lamps Supply Voltage

A2

TN/WH

33

Brake Fluid Level Switch Signal

A3

TN

185

Low Washer Fluid Indicator Signal (LY7)

A4

PK

893

DIC Select Menu Switch Signal (UH9)

A5

D-GN/WH

1358

DIC Switch Signal (UH9)

A6-A8

--

--

Not Used

A9

L-GN/BK

735

Ambient Air Temperature Sensor Signal (UH9)

A10

L-BU

14

Left Turn Signal Lamps Supply Voltage

A11

BN/WH

419

MIL Control

A12

--

--

Not Used

B1

GY

1036

Class 2 Serial Data

B2

--

--

Not Used

B3

GY

8

Instrument Panel Lamp Supply Voltage

B4

--

--

Not Used

B5

BK

1450

Ground

B6

--

--

Not Used

B7

PU

1500

Ignition 0 Voltage

B8

--

--

Not Used

B9

BK

1550

Ground

B10

YE

61

Low Reference (UH9)

B11

--

--

Not Used

B12

OG

640

Battery Positive Voltage