GM Service Manual Online
For 1990-2009 cars only
Connector 1: Chime Module (UL5)
Connector 2: Driver Information Center (DIC) Switch
Connector 3: Engine Oil Level Switch (4.8L, 5.3L, 6.0L and 6.2L)
Connector 4: Engine Oil Level Switch (Diesel)
Connector 5: Engine Oil Pressure (EOP) Sensor (Gas)
Connector 6: Engine Oil Pressure (EOP) Sensor (Diesel)
Connector 7: Fuel Level Sensor - Primary (Diesel)
Connector 8: Fuel Level Sensor - Secondary (Diesel +31 Series -NQZ)
Connector 9: Fuel Pump and Sender Assembly - Front (Gas)
Connector 10: Fuel Pump and Sender Assembly - Rear (Gas +LY6)
Connector 11: Instrument Panel Cluster (IPC)
Connector 12: Water in Fuel Sensor (Diesel)

Chime Module (UL5)


Object Number: 1673491  Size: CH

Connector Part Information

  • OEM: 15488568
  • Service: 88988743
  • Description: 14-Way F GT 150 Micro 64 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

Chime Module (UL5)

Pin

Wire Color

Circuit No.

Function

1

1 RD/WH

340

Battery Positive Voltage

2-7

--

--

Not Used

8

1 BK

2550

Ground

9-12

--

--

Not Used

13

0.35 D-GN

5060

Low Speed GMLAN Serial Data

14

--

--

Not Used

Driver Information Center (DIC) Switch


Object Number: 1715224  Size: CH

Connector Part Information

  • OEM: 15491277
  • Service: 88988747
  • Description: 5-Way F HCM 5PA Series (BK)

Terminal Part Information

  • Terminal/Tray: SHCM-A03T-P025/20
  • Core/Insulation Crimp: J/J
  • Release Tool/Test Probe: 12094429/J-35616-64B (L-BU)

Driver Information Center (DIC) Switch

Pin

Wire Color

Circuit No.

Function

1

0.35 D-GN/WH

1358

DIC Switch Signal

2

0.35 BN

897

Low Reference

3

0.35 PK

893

DIC Select Menu Switch Signal

4

0.35 YE

6817

LED Backlight Dimming Control

5

0.5 BK

1050

Ground

Engine Oil Level Switch (4.8L, 5.3L, 6.0L and 6.2L)


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

Engine Oil Level Switch (4.8L, 5.3L, 6.0L and 6.2L)

Pin

Wire Color

Circuit No.

Function

A

0.5 BN

1174

Oil Level Switch Signal

B

0.5 BK/WH

451

Ground

Engine Oil Level Switch (Diesel)


Object Number: 258295  Size: CH

Connector Part Information

  • OEM: 12129140
  • Service: 12085491
  • Description: 2-Way F Metri-Pack 280 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 Level Switch (Diesel)

Pin

Wire Color

Circuit No.

Function

1

0.5 BN

IC68

Oil Level Switch Signal

2

0.5 L-GN/WH

IC69

Ground

Engine Oil Pressure (EOP) Sensor (Gas)


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 (Gas)

Pin

Wire Color

Circuit No.

Function

1

0.35 BK

2755

Low Reference

2

0.35 GY

2705

5-Volt Reference

3

0.35 TN/WH

331

Oil Pressure Sensor Signal

Engine Oil Pressure (EOP) Sensor (Diesel)


Object Number: 826262  Size: CH

Connector Part Information

  • OEM: 6189-0099
  • Service: 88952836
  • Description: 3-Way F HW 090 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 (Diesel)

Pin

Wire Color

Circuit No.

Function

1

0.5 BK

IC71

5-Volt Reference 2

2

0.5 TN/WH

IC66

Oil Pressure Sensor Signal

3

0.5 GY

IC57

Low Reference

Fuel Level Sensor - Primary (Diesel)


Object Number: 684908  Size: CH

Connector Part Information

  • OEM: 15326631
  • Service: 15306360
  • Description: 4-Way F GT 280 Sealed 5.8 (BK)

Terminal Part Information

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

Fuel Level Sensor - Primary (Diesel)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

0.5 TN/BK

6049

Low Reference

C

0.35 PU

1589

Fuel Level Sensor Signal - Primary

D

--

--

Not Used

Fuel Level Sensor - Secondary (Diesel +31 Series -NQZ)


Object Number: 684908  Size: CH

Connector Part Information

  • OEM: 15326631
  • Service: 15306360
  • Description: 4-Way F GT 280 Sealed 5.8 (BK)

Terminal Part Information

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

Fuel Level Sensor - Secondary (Diesel +31 Series -NQZ)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

0.5 TN/BK

6049

Low Reference

C

0.35 L-BU

1937

Secondary Fuel Level Sensor Signal

D

--

--

Not Used

Fuel Pump and Sender Assembly - Front (Gas)


Object Number: 684908  Size: CH

Connector Part Information

  • OEM: 15326631
  • Service: 15306360
  • Description: 4-Way F GT 280 Sealed 5.8 (BK)

Terminal Part Information

  • Pins: A, D
  • Terminal/Tray: 15304720/19
  • Core/Insulation Crimp: 4/5
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: B, C
  • Terminal/Tray: 15304719/19
  • Core/Insulation Crimp: E/5
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Fuel Pump and Sender Assembly - Front (Gas)

Pin

Wire Color

Circuit No.

Function

A

2 PK

1580

Low Reference (-4.3L/LMG/LY6/LC9)

2 BK

2150

Ground (4.3L/LMG/LY6/LC9)

B

0.5 TN/BK

6049

Low Reference

C

0.5 PU

1589

Fuel Level Sensor Signal - Primary

D

2 GY

120

Fuel Pump Supply Voltage

Fuel Pump and Sender Assembly - Rear (Gas +LY6)


Object Number: 684908  Size: CH

Connector Part Information

  • OEM: 15326631
  • Service: 15306360
  • Description: 4-Way F GT 280 Sealed 5.8 (BK)

Terminal Part Information

  • Pins: A
  • Terminal/Tray: 15304720/19
  • Core/Insulation Crimp: 4/5
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: B, C
  • Terminal/Tray: 15304719/19
  • Core/Insulation Crimp: E/5
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: D
  • Terminal/Tray: 15304719/19
  • Core/Insulation Crimp: 2/5
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Fuel Pump and Sender Assembly - Rear (Gas +LY6)

Pin

Wire Color

Circuit No.

Function

A

2 BK

2150

Ground

B

0.5 TN/BK

6049

Low Reference

C

0.5 L-BU

1937

Secondary Fuel Level Sensor Signal

D

0.8 L-GN

1058

Fuel Balance Pump Supply Voltage

Instrument Panel Cluster (IPC)


Object Number: 1715223  Size: CH

Connector Part Information

  • OEM: 15489824
  • Service: 15126711
  • Description: 20-Way F 0.64 Series (BK)

Terminal Part Information

  • Terminal/Tray: SAITS-A03T-M064/14
  • Core/Insulation Crimp: P/P
  • Release Tool/Test Probe: J-38125-215/J-35616-64B (L-BU)

Instrument Panel Cluster (IPC)

Pin

Wire Color

Circuit No.

Function

1

0.35 RD/WH

2840

Battery Positive Voltage

2

0.35 D-GN/WH

1358

DIC Switch Signal

3-4

--

--

Not Used

5

0.35 PK

1639

Ignition 1 Voltage

6

0.35 D-GN

5060

Low Speed GMLAN Serial Data

7

--

--

Not Used

8

0.35 YE

6817

LED Backlight Dimming Control

9

0.35 D-BU

2307

Passenger Air Bag On Indicator Control (AL0/C99)

10

0.35 D-GN

2308

Passenger Air Bag Off Indicator Control (AL0/C99)

11

0.5 PU

333

Brake Fluid Level Sensor Signal

12

0.35 TN

185

Low Washer Fluid Indicator Control

13

0.5 BK/WH

1851

Ground

14-15

--

--

Not Used

16

0.35 PK

893

DIC Select Menu Switch Signal

17

0.35 D-BU

507

Wait to Start Indicator Control (Diesel)

18

0.35 BN/WH

419

MIL Control

19

0.35 BN

897

Low Reference

20

0.35 PU

5234

Passenger Seat Belt Indicator (AL0)

Water in Fuel Sensor (Diesel)


Object Number: 903275  Size: CH

Connector Part Information

  • OEM: 7322-1424-40
  • Service: 94447499
  • Description: 2-Way M Sealed (L-GY)

Terminal Part Information

  • Terminal/Tray: 7114-1471/12
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094429/J-35616-34 (YE)

Water in Fuel Sensor (Diesel)

Pin

Wire Color

Circuit No.

Function

A

0.5 YE/BK

IC90

Water In Fuel Indicator Control

B

0.5 BK

IC91

Ground