GM Service Manual Online
For 1990-2009 cars only
Table 1: C100
Table 2: C101
Table 3: C120
Table 4: C200
Table 5: C204
Table 6: C207
Table 7: C 324
Table 8: C313
Table 9: C411
Table 10: C415 Buick
Table 11: C415 Pontiac

C100


Object Number: 548116  Size: CH

Connector Part Information

    • 12146992
    • 28-Way M Metri-Pack Series 280, 480, 630 (MD GRY)

Pin

Wire Color

Circuit No.

Function

A1

--

--

Not Used

A2

BRN

241

Fuse Output-IGN 3-Type III Fuse

A3

GRN LT

275

Transmission Mounted Neutral Safety Switch Output-Park

A4

--

--

Not Used

A5

PPL

420

Brake Pedal Switch Output-Torque Convertor Clutch

A6

--

--

Not Used

B2

--

--

Not Used

B3

BLU LT

1059

Steering Wheel Position Sensor Signal

B4

GRY

1056

Steering Wheel Position Sensor Feed-5-Volt Reference

B5

ORN/BLK

556

Steering Wheel Position Sensor Return

C1

RED

242

Fuse Output-Battery-Type III Fuse

C3

--

--

Not Used

C6

RED

642

Fuse Output-Battery-Type II Fuse

D1

--

--

Not Used

E1

--

--

Not Used

F1

RED

442

Fuse Output-Battery-Type II Fuse

F3

--

--

Not Used

F6

PNK

3

Ignition Switch Output-IGN 1

G1-G2

--

--

Not Used

G3

WHT

17

Stop Lamp Switch Output

G4-G5

--

--

Not Used

H1

ORN

340

Fuse Output-Battery-Type III Fuse

H2-H5

--

--

Not Used

H6

YEL

5

Ignition Switch Output-Crank-Automatic Transaxle Only

H6

PPL

6

Starter Solenoid Feed-Manual Transaxle

C101


Object Number: 535880  Size: CH

Connector Part Information

    • 12110763
    • 14-Way M Metri-Pack Series 280, 480 (BLK)

Pin

Wire Color

Circuit No.

Function

1

BRN

9

Park Lamp Feed

2

GRN LT

11

High Beam Headlamp Feed

3

TAN

12

Low Beam Headlamp Feed

4

BLU LT

14

Turn Signal Lamp Feed-Left Front

5

BLU DK

15

Turn Signal Lamp Feed-Right Front

6

GRN DK

29

Horn Feed

7

YEL

10

Headlamp Switch Output

8

GRN LT/BLK

592

Daytime Running Lamp Relay Output-Coil

9

ORN

240

Fuse Output-Battery-Type III Fuse

10

BLU DK

227

Windshield Washer Pump Motor Return

11

ORN

740

Fuse Output-Battery-Type III Fuse

12

BRN

41

Fuse Output-IGN-3-Type III Fuse

13

ORN

640

Fuse Output-Battery-Type III Fuse

14

RED

228

Windshield Washer Pump Motor Feed

C120


Object Number: 570216  Size: CH

Connector Part Information

    • 12065425
    • 10-Way F Metri-Pack 150 Series (VIN M) (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

1744

Fuel Injector #1 Output

B

GRN LT/BLK

1745

Fuel injector #2 Output

C

PNK/BLK

1746

Fuel Injector #3 Output

D

PNK

839

Fuse Output - Ign 1 Type III Fuse

E

ORN/BLK

1057

Sensor Return

F

GRA

705

Reference Voltage Feed - 5 Volt Reference

G

GRN LT

432

Manifold Absolute Pressure Sensor Signal

H

YEL/BLK

846

Fuel Injector #6 Output

J

BLK/WHT

845

Fuel Injector #5 Output

K

BLU LT/BLK

844

Fuel Injector #4 Output

C200


Object Number: 535883  Size: CH

Connector Part Information

    • 12191053
    • 30-Way F Metri-Pack Series 280, 480 (BLK)

Pin

Wire Color

Circuit No.

Function

A1

BRN

199

Speaker Feed-Left Rear

A2

BLU DK

46

Speaker Feed-Right Rear

A3

YEL

116

Speaker Return-Left Rear

A4

BLU LT

115

Speaker Return-Right Rear

A5

--

--

Not Used

B1

BLU LT

395

Door Handle Switch Signal

B2-B4

--

--

Not Used

B5

BLK/WHT

451

Engine control Module-Ground

C1-C3

--

--

Not Used

D1

TAN

800

Serial Data Signal-UART-8192 Baud-Primary

D2

--

--

Not Used

E1

YEL

1139

Fuse Output-IGN 1-Type III Fuse-SIR

E2

--

--

Not Used

F1

--

--

Not Used

F2

PPL

293

Rear Defogger Element Feed

F3

--

--

Not Used

G1

GRN DK

348

SIR Inflator Output-Driver

G2

--

--

Not Used

G3

GRA

8

Instrument Panel Lamp Feed

G4-G5

--

--

Not Used

H1

WHT

347

SIR Inflator-Feed Driver

H2-H3

--

--

Not Used

H4

GRN DK

117

Speaker Return-Right Front

H5

GRN LT

200

Speaker Feed-Right Front

C204


Object Number: 535886  Size: CH

Connector Part Information

    • 12146956
    • 24-Way M Series 280, 480 (GRY)

Pin

Wire Color

Circuit No.

Function

A

ORN

540

Fuse Output-Battery-Type III Fuse

AA

--

--

Not Used

B

ORN

1240

Fuse Output-Battery-Type III Fuse

C

BRN

9

Park Lamp Feed

D

YEL

18

Stop Turn Lamp Feed-Left Rear

E

GRN DK

19

Stop Turn Lamp Feed-Right Rear

F

BLU LT

20

Stop Lamp Feed

G

ORN/BLK

1786

Transaxle Park/Neutral Signal (Auto Transaxle)

G

BLU LT

1134

Park Brake Switch Signal (Manual Transaxle)

H

PPL

30

Fuel Gage Sensor Signal

J

--

--

Not Used

K

BRN

141

Fuse Output-Ignition 3-Type III Fuse

L

--

--

Not Used

M

BLU LT

195

Power Door Lock Relay Feed-Lock Coil

N

--

--

Not Used

P

GRA

118

Speaker Return-Left Front

R

TAN

201

Speaker Feed-Left Front

S

BLK/WHT

238

Seat Belt Switch Signal

T

BLU LT

1134

Park Brake Switch Signal

U

WHT

156

Courtesy Lamp Output

V

GRN LT/BLK

394

Door Handle Switch Signal-Left Front

W

WHT

194

Power Door Lock Relay Feed-Unlock Coil

X

ORN

1732

Electronic Control Unit Output-12 Volt-Inadvertent Load Control

Y

ORN

40

Fuse Output-Battery-Type III Fuse

Z

PNK

39

Fuse Output-Ignition-Type III Fuse

C207


Object Number: 535889  Size: CH

Connector Part Information

    • 12146955
    • 24-Way Metri-Pack F, Series 280, 480 (GRY)

Pin

Wire Color

Circuit No.

Function

A-AA

--

--

Not Used

B

BRN/WHT

419

Check Engine Indicator Lamp Output

C

GRNDK/ WHT

817

Vehicle Speed Signal-400 Pulses/Mile

D

GRNDK

83

Cruise Control Signal-Disengage

E-F

--

--

Not Used

G

PNK

639

Fuse Output-Ignition1-Type III Fuse

H

BLK/ WHT

451

Engine Control Module Ground

J

TAN

800

Serial Data Signal-UART-8192 Baud-Primary

K-L

--

--

Not Used

M

PPL

1807

Serial Data Signal-Class B-10400 Baud-Primary

N

ORN/ BLK

1786

Transaxle Park/Neutral Switch

P

YEL

60

Blower Switch Output-Low.

R

--

--

Not Used

S

BRN

64

High Speed Blower Relay Feed Coil

T

BLULT

72

Blower Switch Output-Medium 2

U

TAN

63

Blower Switch Output-Medium 1

V

BLULT/ BLK

396

Cruise Control Signal Engaged

W

PNK

1020

Fuse Output-Off-Run, Run, Crank-Type III Fuse00

X-Z

--

--

Not Used

C 324


Object Number: 62445  Size: CH

Connector Part Information

    • 12110204
    • 10-Way F Metri-Pack 10-Way Series 280 (GRY)

Pin

Wire Color

Circuit No.

Function

A

BRN

9

Park Lamp Feed

B

YEL

18

Stop, Turn Lamp Feed - Left Rear

C

GRN DK

19

Stop, Turn Lamp Feed - Right Rear

D

BLU LT

20

Stop Lamp Feed

E

GRN LT

24

Back-Up Lamp Feed

F

--

--

Not Used

G

BLK

150

Ground

H

--

--

Not Used

J

BLK

250

Ground

K

--

--

Not Used

C313


Object Number: 570218  Size: CH

Connector Part Information

    • 12160948
    • 12-Way M Metri-Pack Series 150, 280 (MD GRY)

Pin

Wire Color

Circuit No.

Function

A1

WHT

883

Wheel Speed Sensor Return - Right Rear

B1

BRN

882

Wheel Speed Sensor Signal - Right Rear

C1

RED

885

Wheel Speed Sensor Return - Left Rear

D1

BLK

884

Wheel Speed Sensor Signal - Left Rear

A2

--

--

Not Used

B2

--

--

Not Used

C2

--

--

Not Used

D2

--

--

Not Used

A3

BLK

250

Ground

B3

BLK/WHT

451

Engine Control Module Ground

C3

GRA

120

Fuel Pump Motor Feed

D3

PPL

30

Fuel Gage Sensor Signal

E3

--

--

Not Used

F3

GRA

705

Reference Voltage Feed - 5 Volt Reference

G3

GRN DK

890

Fuel Tank Pressure Sensor Signal

H3

ORN/BLK

1057

Manifold Absolute Pressure Sensor Return

C411


Object Number: 62445  Size: CH

Connector Part Information

    • 12110204
    • 10-Way F Series 280 (Vin T) (GRY)

Pin

Wire Color

Circuit No.

Function

A

GRA

120

Fuel Pump Motor Feed

B

GRA

705

Reference Voltage Feed - 5 Volt Reference

C

ORN/BLK

1057

Sensor Return

D

BRN

882

Wheel Speed Sensor Signal - Right Rear

E

WHT

883

Wheel Speed Sensor Return - Right Rear

F

BLK

884

Wheel Speed Sensor Signal - Left Rear

G

RED

885

Wheel Speed Sensor Return - Left Rear

H

YEL

1834

SIR Forward Sensor Signal

J

GRN DK

890

Fuel Tank Pressure Sensor Signal

K

GRN LT

24

Back-Up Lamp Feed

C415 Buick


Object Number: 535892  Size: CH

Connector Part Information

    • 12162362
    • 32-Way Micro-Pack Series 100 Dk Blu (Buick)

Pin

Wire Color

Circuit No.

Function

E1-E11

--

--

Not Used

E12

BRN

199

Speaker Feed-Left Rear

E13

YEL

116

Speaker Return-Left Rear

E14

GRN DK

117

Speaker Return-Right Front

E15

GRN LT

200

Speaker Feed-Right Front

E16

BLK

250

Ground

F1

ORN/BLK

1733

Electronic Control Unit Output-12-Volt Parastic Load Control

F2

YEL

43

Fuse Output-Accessory-Type 3 Fuse

F3

--

--

Not Used

F4

GRA

8

Instrument Panel Lamp Feed

F5

BRN

9

Park Lamp Feed

F6-F11

--

--

Not Used

F13

GRA

118

Speaker Return-Left Front

F14

BLU LT

115

Speaker Return-Right Front

F15

BLU DK

46

Speaker Feed-Right Rear

F16

--

--

Not Used

C415 Pontiac


Object Number: 535895  Size: CH

Connector Part Information

    • 12162308
    • 20-Way Micro-Pack Series 100 (BLK)

Pin

Wire Color

Circuit No.

Function

1

GRY

118

Speaker Return Left Front

2

TAN

201

Speaker Feed Left Front

3

GRN DK

117

Speaker Return-Right Front

4

GRN LT

200

Speaker Feed-Right Front

5

BLK

150

Ground

6

BRN

9

Park Lamp Feed

7

GRA

8

Instrument Panel Lamp Feed

8

--

--

Not Used

9

YEL

43

Fuse Output-Accessory-Type 3 Fuse

10

ORN/BLK

1733

Electronic Control Unit Output-12-Volt Parasitic Load Control

11-16

--

--

Not Used

17

BLU LT

115

Speaker Return-Right Rear

18

BLU DK

46

Speaker Feed-Right Rear

19

YEL

116

Speaker Return-Left Rear

20

BRN

199

Speaker Feed-Left Rear