GM Service Manual Online
For 1990-2009 cars only

Canister purge Solenoid (L61) -- Engine Compartment - Rear


Object Number: 884567  Size: CH

Connector Part Information

    • 12052643
    • Red

Pin

Wire Color

Circuit Number

Function

A

PNK

139

UHFB

B

DK GRN/WHT

428

PCM

Crank Position Sensor (L61) -- Lower Front Engine


Object Number: 888021  Size: CH

Connector Part Information

    • 12162195
    • Black

Pin

Wire Color

Circuit Number

Function

A

PPL

574

Electronic Ignition (EI) Module

B

YEL

573

Electronic Ignition (EI) Module

Electronic Ignition Module (L61) -- Top Left Engine


Object Number: 890343  Size: CH

Connector Part Information

    • 15329032
    • Black

Pin

Wire Color

Circuit Number

Function

A

PNK

1639

UHFB

B

WHT

423

PCM

C

--

--

Not Used

D

RED/BLK

453

PCM

E

BLK

250

Ground

F

BRN/WHT

633

PCM

G

ORN

406

PCM

H-J

--

--

Not Used

EVAP Solenoid -- Fuel Tank


Object Number: 884567  Size: CH

Connector Part Information

    • 12052643
    • Red

Pin

Wire Color

Circuit Number

Function

A

ORN

2740

EVAP Solenoid Inline

B

WHT

1310

EVAP Solenoid Inline

Fuel Injector #1 (L61) -- Top Front Engine


Object Number: 886773  Size: CH

Connector Part Information

    • 15326179
    • Black

Pin

Wire Color

Circuit Number

Function

A

PNK

139

139 Splice Pack

B

BLK

1744

Injector Inline

Fuel Injector #2 (L61) -- Top Front Engine


Object Number: 886773  Size: CH

Connector Part Information

    • 15326179
    • Black

Pin

Wire Color

Circuit Number

Function

A

PNK

139

139 Splice Pack

B

LT GRN/BLK

1745

Injector Inline

Fuel Injector #3 (L61) -- Top Front Engine


Object Number: 886773  Size: CH

Connector Part Information

    • 15326179
    • Black

Pin

Wire Color

Circuit Number

Function

A

PNK

139

139 Splice Pack

B

PNK/BLK

1746

Injector Inline

Fuel Injector #4 (L61) -- Top Front Engine


Object Number: 886773  Size: CH

Connector Part Information

    • 15326179
    • Black

Pin

Wire Color

Circuit Number

Function

A

PNK

139

139 Splice Pack

B

LT BLU/BLK

844

Injector Inline

Fuel Pump Motor -- Fuel Tank


Object Number: 888009  Size: CH

Connector Part Information

    • 12160482
    • Black

Pin

Wire Color

Circuit Number

Function

A

GRY

120

Fuel Tank Inline

B

BLK

650

Fuel Tank Inline

C

BLK

2759

Fuel Tank Inline

D

PPL

30

Fuel Tank Inline

E

--

--

Not Used

Fuel Tank - Jumper -- Suspension -- Mid-Rear


Object Number: 890333  Size: CH

Connector Part Information

    • 15326840
    • Black

Pin

Wire Color

Circuit Number

Function

A

GRY

120

Fuel Pump

B

BLK

650

Fuel Pump

C

BLK

2759

Fuel Pressure Sensor

D

--

--

Not Used

E

DK GRN

890

Fuel Pressure Sensor

F

GRY

2709

Fuel Pressure Sensor

G

BLK

2759

Fuel Pump

H

PPL

30

Fuel Pump

Fuel Tank Pressure Sensor -- Fuel Tank


Object Number: 890168  Size: CH

Connector Part Information

    • 15318087
    • Black

Pin

Wire Color

Circuit Number

Function

1

GRY

2709

Fuel Tank Inline

2

BLK

2759

Fuel Tank Inline

3

DK GRN

890

Fuel Tank Inline

Heated Oxygen Sensor #2 (L61) -- Rear Engine


Object Number: 884636  Size: CH

Connector Part Information

    • 12160825
    • Black

Pin

Wire Color

Circuit Number

Function

A

TAN/WHT

1669

PCM

B

PPL/WHT

1668

PCM

C

BLK/WHT

1423

PCM

D

PNK

1639

UHFB

Heated Oxygen Sensor Bank 1 Sensor 2 -- Engine Compartment - Rear


Object Number: 890194  Size: CH

Connector Part Information

    • 15318091
    • Black

Pin

Wire Color

Circuit Number

Function

1

ORN

2440

UHFB

2

BLK/WHT

151

ECM

3

TAN/WHT

1669

ECM

4

PPL/WHT

1668

ECM

Idle Air Control (L61) -- Top Left Engine


Object Number: 884727  Size: CH

Connector Part Information

    • 12162190
    • Black

Pin

Wire Color

Circuit Number

Function

A

BRN

444

PCM

B

LT GRN/WHT

1749

PCM

C

LT BLU/WHT

1748

PCM

D

LT BLU/WHT

1747

PCM

Ignition Switch #1 -- Steering Column


Object Number: 887998  Size: CH

Connector Part Information

    • 12162229
    • Black

Pin

Wire Color

Circuit Number

Function

A

PNK

3

UHFB

B

ORN

300

LIPFB

C

YEL

5

I/P Inline/Clutch Start Switch

D

DK GRN

500

UHFB

E

--

--

Not Used

F

BLK

550

LIPFB

Ignition Switch #2 -- Steering Column


Object Number: 888001  Size: CH

Connector Part Information

    • 12129842
    • Natural

Pin

Wire Color

Circuit Number

Function

A

PNK

102

UHFB

B

BRN

4

LIPFB

C

RED

302

UHFB

D-E

--

--

Not Used

F

LT GRN

80

BCM

Knock Sensor (L61) -- Top Left Rear Engine


Object Number: 884421  Size: CH

Connector Part Information

    • 12077900
    • Black

Pin

Wire Color

Circuit Number

Function

A

DK BLU

496

PCM

B

GRY

1716

PCM

Manifold Air Temperature Intake Sensor (L61)


Object Number: 888033  Size: CH

Connector Part Information

    • 12162199
    • Gray

Pin

Wire Color

Circuit Number

Function

A

GRY

720

PCM

B

TAN

472

PCM

Manifold Absolute Pressure Sensor -- Top Front Engine


Object Number: 884996  Size: CH

Connector Part Information

    • 12129946
    • Black

Pin

Wire Color

Circuit Number

Function

A

GRY

2704

PCM

B

BRN/BLK

469

PCM

C

LT GRN

432

PCM

Oil Pressure Sensor (L61) -- Lower Front Engine


Object Number: 887823  Size: CH

Connector Part Information

    • 12065299
    • Gray

Pin

Wire Color

Circuit Number

Function

A

TAN/BLK

231

PCM

Outside Air Temperature Sensor -- Front Left Fascia


Object Number: 890348  Size: CH

Connector Part Information

    • 15336024
    • Black

Pin

Wire Color

Circuit Number

Function

A

YEL

61

UHFB

B

BLK

476

UHFB

Park Neutral Position Switch #1 -- Top of Transmission


Object Number: 887996  Size: CH

Connector Part Information

    • 12129840
    • Gray

Pin

Wire Color

Circuit Number

Function

A

--

--

Not Used

B

PNK

239

Ignition

C

--

--

Not Used

D

BLK/WHT

451

Ground (L61)

PPL

1500

Ignition 0 Fuse (L81)

E

PPL

6

Starter Solenoid

F

LT GRN

24

Tail Lamp

G

YEL

5

Ignition Switch

Park Neutral Position Switch #2 -- Top of Transmission


Object Number: 889863  Size: CH

Connector Part Information

    • 12191757
    • Natural

Pin

Wire Color

Circuit Number

Function

A

WHT

776

PCM/Electronic PRNDL Module

B

YEL

772

PCM/Electronic PRNDL Module

C

GRY

773

PCM/Electronic PRNDL Module

D

BLK/WHT

771

PCM/Electronic PRNDL Module

Powertrain Control Module (PCM) J1 (L61) -- Under Right Front Cowell


Object Number: 890604  Size: CH

Connector Part Information

    • 15359378
    • Blue

Pin

Wire Color

Circuit Number

Function

1-3

--

--

Not Used

4

LT BLU

20

UHFB Engine to I/P Inline

BRN WHT

379

UHFB Engine to I/P Inline

5

--

--

Not Used

6

TAN/BLK

464

EBTCM ABS

7

GRY

720

MAT Sensor

8-10

--

--

Not Used

11

BLK

2759

Engine to I/P Inline

12-14

--

--

Not Used

15

PPL

1807

Engine to I/P Inline

16

PPL

1807

Engine to I/P Inline

17

--

--

Not Used

18

PPL

1500

UHFB

19

PNK

839

UHFB

20

ORN

480

UHFB

21

TAN

472

Front O2 Sensor

22

PPL

30

Engine to I/P Inline

23

GRY

596

A/C Pressure Sensor

24

--

--

Not Used

25

GRY

2709

Engine to I/P Inline

26-29

--

--

Not Used

30

DK BLU

473

UHFB

31

BRN

436

UHFB

32

WHT

121

EBTCM

33

--

--

Not Used

34

DK GRN/WHT

817

Cruise Control Module

35

ORN/BLK

463

EBTCM

36

--

--

Not Used

37

RED/BLK

380

A/C Pressure Transducer

38

--

--

Not Used

39

DK GRN

890

Engine to I/P Inline

40-42

--

--

Not Used

43

DK GRN

335

UHFB

44

TAN/BLK

464

Knock Sensor

45

WHT

1310

Engine to I/P Inline

46

DK GRN/WHT

465

Fuel Pump

47

DK GRN/WHT

459

UHFB

48

--

--

Not Used

49

DK GRN

83

Engine to I/P Inline

50

--

--

Not Used

51

BLK

552

A/C Pressure Sensor

52-56

--

--

Not Used

Powertrain Control Module (PCM) J2 (L61) -- Under Right Front Cowell


Object Number: 890605  Size: CH

Connector Part Information

    • 15359382
    • Black

Pin

Wire Color

Circuit Number

Function

1

LT BLU/BLK

1748

Idle Air Control Module

2

LT BLU/WHT

1747

Idle Air Control Module

3-4

--

--

Not Used

5

DK GRN/WHT

428

EVAP Purge Solenoid

6

RED/BLK

1228

Automatic Transaxle

7

LT BLU/WHT

1229

Automatic Transaxle

8

--

--

Not Used

9

PNK/BLK

429

Air Solenoid

10

LT GRN

1222

Automatic Transaxle

11

YEL/BLK

1223

Automatic Transaxle

12

BRN

418

Automatic Transaxle

13

PPL/WHT

1668

Heated Oxygen Sensor 2

14

TAN/WHT

1669

Heated Oxygen Sensor 2

15

TAN

1667

Front Heated O2

16

PPL

1666

Front Heated O2

17

LT GRN/WHT

1749

Idle Air Control Module

18

LT GRN/BLK

444

Idle Air Control Module

19

WHT

423

ESTA

20

ORN

406

UHJB

21-25

--

--

Not Used

26

BRN/WHT

633

EST

27

YEL

573

Crank Position Sensor

28

PPL

574

Crank Position Sensor

29

LT GRN

432

MAP

30

--

--

Not Used

31

DK BLU

417

TPS

32-33

--

--

Not Used

34

WHT

776

NSBU

35

GRY

773

NSBU

36

YEL

772

NSBU

37

BLK/WHT

771

NSBU

38

RED/BLK

453

Ignition Module

39

BLK

2761

Coolant Temperature Sensor

40

BLK

407

Automatic Transaxle

41

DK BLU/WHT

1231

Automatic Transaxle

42

PPL

401

Automatic Transaxle

43

--

--

Not Used

44

GRY

1716

ESC

45

BLU

469

MAP

46

--

--

Not Used

47

BLK

2752

TPS

48

--

--

Not Used

49

YEL

23

Alternator

50

GRY

225

Alternator

51

BLK

1744

Injector #1

52

LT GRN/BLK

1745

Injector #2

53

LT BLU/BLK

396

Engine to I/P Inline

54

TAN/WHT

231

Oil Pressure Switch

55

PNK/WHT

1224

Automatic Transaxle

56

DK BLU

1225

Automatic Transaxle

57

RED

1226

Automatic Transaxle

58

YEL

657

Automatic Transaxle

WHT

1909

Engine to I/P

59

YEL/WHT

410

Coolant Temperature Sensor

60

YEL/BLK

1227

Automatic Transaxle

61

RED/BLK

1230

Automatic Transaxle

62

YEL/WHT

400

Output Shaft Splice

63

--

--

Not Used

64

ORN/BLK

419

RSC

65

GRY

2704

MAP

66

--

--

Not Used

67

GRN

2701

TPS

68

--

--

Not Used

69

DK GRN

676

Front HO2

70

BLK/WHT

1423

Rear HO2

71

LT BLU/BLK

844

Injector #4

72

PNK/BLK

1746

Injector #3

73

BLK

451

Clean Ground

74-80

--

--

Not Used

PRNDL -- Console


Object Number: 887953  Size: CH

Connector Part Information

    • 12124940
    • Black

Pin

Wire Color

Circuit Number

Function

1

BLK

550

Ground Loop

2

BLK

550

UPFB

3-4

--

--

Not Used

5

PPL

1500

UHFB

6

BRN

9

LIPFB

7

GRY

8

LIPFB

8

BLK/WHT

771

UHFB

9

YEL

772

UHFB

10

GRY

773

UHFB

11

YEL

776

UHFB

12

--

--

Not Used

Secondary Air Pump (L61 California Only) -- Front Engine Compartment


Object Number: 884185  Size: CH

Connector Part Information

    • 12191968
    • Gray

Pin

Wire Color

Circuit Number

Function

A

RED

78

UHFB

B

BLK

150

UHFB

Secondary Air Solenoid (L61 California Only) -- Front Engine Compartment


Object Number: 884168  Size: CH

Connector Part Information

    • 12052641
    • Black

Pin

Wire Color

Circuit Number

Function

A

PNK/BLK

415

UHFB

B

PNK/BLK

429

PCM

Throttle Position Sensor (L61) -- Right Front Engine Compartment


Object Number: 887936  Size: CH

Connector Part Information

    • 12110192
    • Black

Pin

Wire Color

Circuit Number

Function

A

GRY

2701

PCM

B

BLK

2752

PCM

C

DK BLU

417

PCM

Wheel Speed Sensor signal Conditioner Module -- Base of Steering Column (Taped to the Harness)


Object Number: 887468  Size: CH

Connector Part Information

    • 12033871
    • Black

Pin

Wire Color

Circuit Number

Function

1

BLK

550

LIPFB

2

WHT

1909

ECM (L81) PCM (L61)

3

TAN

833

EBTCM

4

DK GRN

872

EBTCM

5

BRN

641

LIPFB

Wheel Speed Sensor - Left Front -- Front Wheel - Left


Object Number: 890559  Size: CH

Connector Part Information

    • 15358647
    • Black

Pin

Wire Color

Circuit Number

Function

1

YEL

873

EBTCM

2

LT BLU

830

EBTCM

Wheel Speed Sensor - Left Rear -- Rear Wheel - Left


Object Number: 884159  Size: CH

Connector Part Information

    • 12052644
    • Gray

Pin

Wire Color

Circuit Number

Function

A

BLK

884

EBTCM Inline

B

RED

885

EBTCM Inline

Wheel Speed Sensor - Right Front -- Front Wheel - Right


Object Number: 890607  Size: CH

Connector Part Information

    • 15359389
    • Black

Pin

Wire Color

Circuit Number

Function

A

TAN

833

EBTCM

B

DK GRN

872

EBTCM

Wheel Speed Sensor - Right Rear -- Rear Wheel


Object Number: 884159  Size: CH

Connector Part Information

12052644

Pin

Wire Color

Circuit Number

Function

A

BRN

882

EBTCM Inline

B

WHT

883

EBTCM Inline