GM Service Manual Online
For 1990-2009 cars only
Table 1: Engine Oil Level Switch (w/LH2)
Table 2: Engine Oil Level and Temperature Sensor (w/LY7)
Table 3: Engine Oil Pressure (EOP) Sensor (w/LH2)
Table 4: Engine Oil Pressure (EOP) Sensor (w/LY7)
Table 5: Fuel Pump and Sender Assembly (Primary)
Table 6: Fuel Sender Assembly (Secondary)
Table 7: Head-Up Display (HUD) (w/UV6)
Table 8: Instrument Panel Cluster (IPC)
Table 9: I/P Dimmer Switch (w/UV6)
Table 10: I/P Dimmer Switch (w/o UV6)

Engine Oil Level Switch (w/LH2)


Object Number: 635009  Size: CH

Connector Part Information

    • OEM: 12052641
    • Service: 12102747
    •  2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BN

1174

Oil Level Switch Signal

B

BK/WH

1551

Signal Ground

Engine Oil Level and Temperature Sensor (w/LY7)


Object Number: 646415  Size: CH

Connector Part Information

    • OEM: 15326808
    • Service: 15306388
    •  3-Way F GT 150 Series Sealed 4.5 (BK)

Pin

Wire Color

Circuit No.

Function

A

BN

1174

Oil Level Sensor Signal

B

D-GN/WH

357

Oil Temperature Sensor Signal

C

TN

470

Sensor Return

Engine Oil Pressure (EOP) Sensor (w/LH2)


Object Number: 646409  Size: CH

Connector Part Information

    • OEM: 15336121
    •  3-Way F GT 150 Series Sealed 3.2 X 4.0 (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

2755

Oil Pressure Sensor Low Reference

B

TN/WH

331

Oil Pressure Sensor Signal

C

GY

2705

Oil Pressure Sensor 5-Volt Reference

Engine Oil Pressure (EOP) Sensor (w/LY7)


Object Number: 258299  Size: CH

Connector Part Information

    • OEM: 12065287
    • Service: 12102748
    •  3-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

TN

470

Sensor Return

B

GY

605

Reference Voltage Feed 5-Volt Reference

C

TN/BK

231

Oil Pressure Switch Signal

Fuel Pump and Sender Assembly (Primary)


Object Number: 456551  Size: CH

Connector Part Information

    • 12160482
    • 4-Way F Metri-Pack 150 Series, Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

D-BU

1936

Fuel Level Sensor Signal

B

GY

120

Fuel Pump Supply Voltage

C

BK

1050

Ground

D

BK

2759

Fuel Tank Pressure Sensor Low Reference

Fuel Sender Assembly (Secondary)


Object Number: 684847  Size: CH

Connector Part Information

    • OEM: 12160482
    • Service: 12167154
    • 4-Way F Metri-Pack 150 Series, Sealed (WH)

Pin

Wire Color

Circuit No.

Function

A

L-BU

1937

Secondary Fuel Level Sensor Signal

B-C

--

--

Not Used

D

BK

2759

Fuel Tank Pressure Sensor Low Reference

Head-Up Display (HUD) (w/UV6)


Object Number: 1283869  Size: CH

Connector Part Information

    • OEM: 175965-2
    •  12-Way F 040 Multilock Mark II Series (BK)

Pin

Wire Color

Circuit No.

Function

1

RD/WH

1640

Battery Positive Voltage

2

--

--

Not Used

3

D-GN

5060

Low Speed GMLAN Serial Data

4

PK

2384

Night Vision Image Up Signal

5

L-GN/BK

5699

Head Up Display Switch Low Reference

6-9

--

--

Not Used

10

BN

2383

Night Vision Image Down Signal

11

TN

2382

Night Vision Image Dimming Signal

12

BK/WH

351

Signal Ground

Instrument Panel Cluster (IPC)


Object Number: 1468761  Size: CH

Connector Part Information

    • OEM: 1326042-1
    • 26-Way F 90 Series AMP (BK)

Pin

Wire Color

Circuit No.

Function

1

RD/WH

1440

Battery Positive Voltage

2

PK

239

Run/Crank Ignition 1 Voltage

3

D-GN

5060

Low Speed GMLAN Serial Data

4

--

--

Not Used

5

BK/WH

351

Ground

6-7

--

--

Not Used

8

PU

333

Brake Fluid Level Sensor Signal

9

BN/WH

419

Check Engine Indicator Control

10-11

--

--

Not Used

12

D-GN/WH

1358

Driver Information Center Switch Signal

13

BN

897

Driver Information Center Switch Low Reference

14-19

--

--

Not Used

20

D-BU

894

Driver Information Center Toggle Switch Signal

21-26

--

--

Not Used

I/P Dimmer Switch (w/UV6)


Object Number: 1492425  Size: CH

Connector Part Information

    • OEM: HCMPB-12-K
    • 12-Way F JST (BK)

Pin

Wire Color

Circuit No.

Function

1

D-GN

44

Low Reference

2

L-BU/BK

1688

Instrument Panel Lamp Dimmer Switch Signal

3

PK/BK

1597

Interior Lamp Switch On Signal

4

TN

2382

Night Vision Image Dimming Signal

5

L-GN/BK

5699

Head Up Display Switch Low Reference

6

BN

2383

Night Vision Image Down Signal

7

PK

2384

Night Vision Image Up Signal

8

BN

897

Driver Information Center Switch Low Reference

9

D-GN/WH

1358

Driver Information Center Switch Signal

10

D-BU

894

Driver Information Center Toggle Switch Signal

11

YE

1491

Backlight Lamp Control

12

BK/WH

351

Ground

I/P Dimmer Switch (w/o UV6)


Object Number: 1492423  Size: CH

Connector Part Information

    • OEM: HCMPB-A12-S
    • 12-Way F JST (WH)

Pin

Wire Color

Circuit No.

Function

1

D-GN

44

Low Reference

2

L-BU/BK

1688

Instrument Panel Lamp Dimmer Switch Signal

3

PK/BK

1597

Interior Lamp Switch On Signal

4-7

--

--

Not Used

8

BN

897

Driver Information Center Switch Low Reference

9

D-GN/WH

1358

Driver Information Center Switch Signal

10

D-BU

894

Driver Information Center Toggle Switch Signal

11

YE

1491

Backlight Lamp Control

12

BK/WH

351

Ground