GM Service Manual Online
For 1990-2009 cars only
Connector 1: Ambient Air Temperature Sensor (DF5)
Connector 2: Engine Oil Pressure (EOP) Sensor (5.3L/6.0L)
Connector 3: Engine Oil Pressure (EOP) Switch (4.2L)
Connector 4: Fuel Pump and Sender Assembly
Connector 5: Instrument Panel Cluster (IPC)

Ambient Air Temperature Sensor (DF5)


Object Number: 684793  Size: CH

Connector Part Information

  • OEM: 12052642
  • Service: 12101856
  • Description: 2-Way F Micro-Pack 150 Series Sealed (L-GN)

Terminal Part Information

  • Terminal/Tray: 12048074/2
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Ambient Air Temperature Sensor (DF5)

Pin

Wire Color

Circuit No.

Function

A

L-GN/BK

735

Ambient Air Temperature Sensor Signal

B

BN

718

Low Reference

Engine Oil Pressure (EOP) Sensor (5.3L/6.0L)


Object Number: 1519475  Size: CH

Connector Part Information

  • OEM: 15477863
  • Service: 88988301
  • Description: 3-Way F GT 150 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 15326267/19
  • Core/Insulation Crimp: E/4
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Engine Oil Pressure (EOP) Sensor (5.3L/6.0L)

Pin

Wire Color

Circuit No.

Function

1

BK

2755

Low Reference

2

GY

2705

5-Volt Reference

3

TN/WH

332

Oil Pressure Sensor Signal

Engine Oil Pressure (EOP) Switch (4.2L)


Object Number: 516616  Size: CH

Connector Part Information

  • OEM: 12065400
  • Service: 12126436
  • Description: 2-Way F Metri-Pack 150 Series Sealed (GN)

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 (4.2L)

Pin

Wire Color

Circuit No.

Function

A

TN/BK

231

Oil Pressure Switch Signal

B

PU

114

Low Oil Pressure Switch Signal

C-D

--

--

Not Available

Fuel Pump and Sender Assembly


Object Number: 697003  Size: CH

Connector Part Information

  • OEM: 15324862
  • Service: 15306441
  • Description: 4-Way F APEX 2.8 Series Sealed (GY)

Terminal Part Information

  • Terminal/Tray: 54001800/22
  • Core/Insulation Crimp: 2/4
  • Release Tool/Test Probe: 12094429/J-35616-4A (PU)

Fuel Pump and Sender Assembly

Pin

Wire Color

Circuit No.

Function

1

BK

2450

Ground

2

PU

1589

Fuel Level Sensor Signal

3

OG/BK

510

Low Reference (4.2L)

BK

2759

Low Reference (5.3L/6.0L)

4

GY

120

Fuel Pump Supply Voltage

Instrument Panel Cluster (IPC)


Object Number: 73156  Size: CH

Connector Part Information

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

Terminal Part Information

  • Pins: A1-A2, A4-A5, A7-A12, B1, B4, B7, B9-B10, B12
  • 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

L-BU

2114

Left Turn Signal Lamps Supply Voltage

A2

OG

2340

Battery Positive Voltage

A3

--

--

Not Used

A4

BK/WH

751

Ground

A5

BK

2250

Ground

A6

--

--

Not Used

A7

BN/WH

230

Instrument Panel Lamps Dimming Control

A8

YE

1327

DIC Fuel Signal (w/STW)

A9

D-GN/WH

1358

DIC Switch Signal (w/STW)

A10

D-BU

894

DIC Toggle Switch Signal (w/STW)

A11

OG

1816

DIC Set/Reset Switch Signal (w/STW)

A12

WH

121

Engine Speed Signal

B1

GY

1036

IPC Class 2 Serial Data

B2-B3

--

--

Not Used

B4

BN/WH

419

MIL Control

B5-B6

--

--

Not Used

B7

PK

639

Ignition 1 Voltage

B8

--

--

Not Used

B9

D-GN/WH

817

Vehicle Speed Signal

B10

D-BU

2115

Right Turn Signal Lamps Supply Voltage

B11

--

--

Not Used

B12

BK/WH

174

Low Washer Fluid Indicator Signal (U68)