GM Service Manual Online
For 1990-2009 cars only
Connector 1: Analog Clock - w/Z75
Connector 2: Coolant Level Switch - 2500 Series
Connector 3: Coolant Level Switch - 1500 Series
Connector 4: Engine Oil Level Switch - 8.1L
Connector 5: Engine Oil Level Switch - Except 8.1L
Connector 6: Engine Oil Pressure (EOP) Sensor
Connector 7: Fuel Pump and Sender Assembly - Single Tank or Primary (Double Tanks)
Connector 8: Fuel Pump and Sender Assembly - Secondary (Double Tanks)
Connector 9: Instrument Panel Cluster (IPC)

Analog Clock - w/Z75


Object Number: 697021  Size: CH

Connector Part Information

  • OEM: 15368694
  • Service: 88953272
  • Description: 3-Way F Multilock 070 Series (WH)

Terminal Part Information

  • Terminal/Tray: 173630-7/7
  • Core/Insulation Crimp: E/4
  • Release Tool/Test Probe: 15315247/J-35616-33 (YE)

Analog Clock - w/Z75

Pin

Wire Color

Circuit No.

Function

1

OG

340

Battery Positive Voltage

2

BK

1050

Ground

3

BN/WH

230

Instrument Panel Lamps Dimming Control

Coolant Level Switch - 2500 Series


Object Number: 655783  Size: CH

Connector Part Information

  • OEM: 15324243
  • Service: Not Serviced
  • Description: 2-Way F Metri-Pack 150 Series (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

Coolant Level Switch - 2500 Series

Pin

Wire Color

Circuit No.

Function

A

L-GN

1478

Coolant Level Switch Signal

B

BK

550

Ground

Coolant Level Switch - 1500 Series


Object Number: 537107  Size: CH

Connector Part Information

  • OEM: 12052644
  • Service: See Catalog
  • Description: 2-Way F Metri-Pack 150 Series (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

Coolant Level Switch - 1500 Series

Pin

Wire Color

Circuit No.

Function

A

L-GN

1478

Coolant Level Switch Signal

B

BK

550

Ground

Engine Oil Level Switch - 8.1L


Object Number: 655791  Size: CH

Connector Part Information

  • OEM: 15324478
  • Service: 88953151
  • Description: 2-Way F Metri-Pack 150 Series (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 Level Switch - 8.1L

Pin

Wire Color

Circuit No.

Function

A

BN

1174

Oil Level Switch Signal

B

BK/WH

451

Ground

Engine Oil Level Switch - Except 8.1L


Object Number: 635009  Size: CH

Connector Part Information

  • OEM: 12052641
  • Service: 12102747
  • Description: 2-Way F Metri-Pack 150 Series (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 Level Switch - Except 8.1L

Pin

Wire Color

Circuit No.

Function

A

BN

1174

Oil Level Switch Signal

B

BK/WH

451

Ground

Engine Oil Pressure (EOP) Sensor


Object Number: 726824  Size: CH

Connector Part Information

  • OEM: 15344137
  • Service: 88988301
  • Description: 3-Way F GT 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) Sensor

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

Fuel Pump and Sender Assembly - Single Tank or Primary (Double Tanks)


Object Number: 684908  Size: CH

Connector Part Information

  • OEM: 15326631
  • Service: 15306360
  • Description: 4-Way F GT 280 Series Sealed (BK)

Terminal Part Information

  • Pins: A- D
  • Terminal/Tray: 15304719/19
  • Core/Insulation Crimp: Pins A, D - 2/5
  • Core/Insulation Crimp: Pins B, C - E/5
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Fuel Pump and Sender Assembly - Single Tank or Primary (Double Tanks)

Pin

Wire Color

Circuit No.

Function

A

BK

2150

Ground

B

BK

470

Low Reference

C

PU

1589

Fuel Level Sensor Signal - Primary

D

GY

120

Fuel Pump Supply Voltage

Fuel Pump and Sender Assembly - Secondary (Double Tanks)


Object Number: 684908  Size: CH

Connector Part Information

  • OEM: 15326631
  • Service: 15306360
  • Description: 4-Way F GT 280 Series Sealed (BK)

Terminal Part Information

  • Pins: A-D
  • Terminal/Tray: 15304719/19
  • Core/Insulation Crimp: Pins A, D - 2/5
  • Core/Insulation Crimp: Pins B, C - E/5
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Fuel Pump and Sender Assembly - Secondary (Double Tanks)

Pin

Wire Color

Circuit No.

Function

A

BK

2150

Ground

B

BK

470

Low Reference

C

D-BU

1936

Fuel Level Sensor Signal - Secondary

D

L-GN

1058

Fuel Balance 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 (GY)

Terminal Part Information

  • Pins: A1, A3, A4-A6, A8, A10-A12, B1, B4-B7, B9, B11, B12
  • Terminal/Tray: 12146447/3
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)
  • Pins: B9, B11
  • 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

A1

BN/WH

419

MIL Control

A2

--

--

Not Used

A3

BK/WH

174

Low Washer Fluid Indicator Supply Voltage

A4

D-GN/WH

817

Vehicle Speed Signal

A5

WH

121

Engine Speed Signal

A6

GY

1036

IPC Class 2 Serial Data

A7

--

--

Not Used

A8

D-BU

2115

Right Turn Signal Lamps Supply Voltage

A9

--

--

Not Used

A10

D-GN/WH

1932

Transmission Shift Select Switch (Park) Signal

A11

RD

2353

Instrument Panel Lamps Dimming Supply Voltage

A12

BK

1050

Ground

B1

L-BU

2114

Left Turn Signal Lamps Supply Voltage

B2-B3

--

--

Not Used

B4

OG

1816

DIC Mode Switch Signal

B5

D-BU

894

DIC Toggle Switch Signal

B6

D-GN/WH

1358

DIC Switch Signal

B7

YE

1327

DIC Fuel Signal

B8

--

--

Not Used

B9

PK

639

Ignition 1 Voltage (w/o 8S8)

PK

739

Ignition 1 Voltage (w/ 8S8)

B10

--

--

Not Used

B11

OG

2840

Battery Positive Voltage (w/o 8S8)

OG

4540

Battery Positive Voltage (w/ 8S8)

B12

BK/WH

1851

Ground