GM Service Manual Online
For 1990-2009 cars only
Table 1: Engine Oil Level Switch - 4.8, 5.3, 6.0L
Table 2: Engine Oil Level Switch - 6.6L
Table 3: Engine Oil Level Switch - 8.1L
Table 4: Engine Oil Pressure (EOP) Sensor - Gas
Table 5: Engine Oil Pressure (EOP) Sensor - Diesel
Table 6: Fuel Pump/Sender Assembly - Primary - All Gas Except L59
Table 7: Fuel Pump/Sender Assembly - Primary - L59 Only
Table 8: Fuel Pump/Sender Assembly - Secondary - Gas
Table 9: Fuel Level Sensor - Primary - Diesel
Table 10: Fuel Level Sensor - Secondary - Diesel
Table 11: Instrument Panel Cluster (IPC)
Table 12: Water In Fuel (WIF) Sensor - Diesel

Engine Oil Level Switch - 4.8, 5.3, 6.0L


Object Number: 635009  Size: CH

Connector Part Information

    • 12052641
    • 2-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

1174

Oil Level Switch Signal

B

BLK/WHT

451

Ground

Engine Oil Level Switch - 6.6L


Object Number: 684833  Size: CH

Connector Part Information

    • 12129140
    • 2-Way F Metri-Pack 280.1 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

1174

Oil Level Switch Signal

B

LT GRN/WHT

451

Ground

Engine Oil Level Switch - 8.1L


Object Number: 655791  Size: CH

Connector Part Information

    • 15324478
    • 2-Way F Metri-Pack 150 Series (TAN)

Pin

Wire Color

Circuit No.

Function

A

BRN

1174

Oil Level Switch Signal

B

BLK/WHT

451

Ground

Engine Oil Pressure (EOP) Sensor - Gas


Object Number: 726824  Size: CH

Connector Part Information

    • 15344137
    • 3-Way F GT 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

1

BLK

2755

Low Reference

2

GRY

2705

5 Volt Reference

3

TAN/WHT

332

Oil Pressure Sensor Signal

Engine Oil Pressure (EOP) Sensor - Diesel


Object Number: 826262  Size: CH

Connector Part Information

    • 61890099
    • 3-Way F Sumitomo (BLK)

Pin

Wire Color

Circuit No.

Function

1

BLK

2755

Low Reference

2

TAN/WHT

332

Oil Pressure Sensor Signal

3

GRY

2705

5 Volt Reference

Fuel Pump/Sender Assembly - Primary - All Gas Except L59


Object Number: 684908  Size: CH

Connector Part Information

    • 15326631
    • 4-Way F Metri-pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

2150

Ground

B

BLK

470

Low Reference

C

PPL

1589

Fuel Level Sensor Signal - Primary

D

GRY

120

Fuel Pump Supply Voltage

Fuel Pump/Sender Assembly - Primary - L59 Only


Object Number: 280761  Size: CH

Connector Part Information

    • 12160825
    • 4-Way F Metri-Pack Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

1589

Fuel Level Sensor Signal - Primary

B

GRY

120

Fuel Pump Supply Voltage

C

BLK

2150

Ground

D

BLK

470

Low Reference

Fuel Pump/Sender Assembly - Secondary - Gas


Object Number: 684908  Size: CH

Connector Part Information

    • 15326631
    • 4-Way F Metri-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

2150

Ground

B

BLK

470

Low Reference

C

DK BLU

1936

Fuel Level Sensor Signal - Secondary

D

LT GRN

1058

Fuel Balance Pump Supply Voltage

Fuel Level Sensor - Primary - Diesel


Object Number: 684908  Size: CH

Connector Part Information

    • 15326631
    • 4-Way Metri-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

BLK

470

Low Reference

C

PPL

1589

Fuel Level Sensor Signal-Primary

D

--

--

Not Used

Fuel Level Sensor - Secondary - Diesel


Object Number: 684847  Size: CH

Connector Part Information

    • 12160563
    • 2-Way Metri-Pack 150 Series Sealed (NAT)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

BLK

470

Low Reference

C

DK BLU

1936

Fuel Level Sensor Signal-Secondary

D

--

--

Not Used

Instrument Panel Cluster (IPC)


Object Number: 73156  Size: CH

Connector Part Information

    • 12110088
    • 24-Way F Micro-Pack 100 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A1

BRN/WHT

419

MIL Control

A2

DK BLU

507

Wait to Start Indicator Control (Diesel Only)

A3

BLK/WHT

174

Low Washer Fluid Indicator Supply Voltage (Except 4.3L w/o YE9)

A4

DK GRN/WHT

817

Vehicle Speed Signal

A5

WHT

121

Engine Speed Signal

A6

GRY

1036

IPC Class 2 Serial Data

A7

--

--

Not Used

A8

DK BLU

2115

Right Turn Signal Lamps Supply Voltage

A9

DK BLU

2713

Supplemental Brake Assist Signal (w/ SBA)

A10

DK GRN/WHT

1932

Transmission Shift Select Switch (Park) Signal

A11

RED

2353

Instrument Panel Lamps Dimming Supply Voltage

A12

BLK

1050

Ground

B1

LT BLU

2114

Left Turn Signal Lamps Supply Voltage

B2-B3

--

--

Not Used

B4

ORN

1816

DIC Mode Switch Signal

B5

DK BLU

894

DIC Toggle Switch Signal

B6

DK GRN/WHT

1358

DIC Switch Signal

B7

YEL

1327

DIC Fuel Signal

B8

--

--

Not Used

B9

PNK

639

Ignition 1 Voltage (w/o 8S8)

PNK

739

Ignition 1 Voltage (w/ 8S8)

B10

--

--

Not Used

B11

ORN

2840

Battery Positive Voltage (w/o 8S8)

ORN

4540

Battery Positive Voltage (w/ 8S8)

B12

BLK/WHT

1851

Ground

Water In Fuel (WIF) Sensor - Diesel


Object Number: 1428179  Size: CH

Connector Part Information

    • 7318-3324-30
    • 2-Way F (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL/BLK

508

Water In Fuel Indicator Control

B

YEL

50

Ground