GM Service Manual Online
For 1990-2009 cars only
Table 1: In Line Connector C101
Table 2: In Line Connector C200
Table 3: In Line Connector C201
Table 4: In Line Connector C202
Table 5: In Line Connector C203
Table 6: In Line Connector C204
Table 7: In Line Connector C205
Table 8: In Line Connector C206
Table 9: In Line Connector C207
Table 10: In Line Connector C208
Table 11: In Line Connector C209
Table 12: In Line Connector C210
Table 13: In Line Connector C211
Table 14: In Line Connector C212
Table 15: In Line Connector C213
Table 16: In Line Connector C215
Table 17: In Line Connector C216
Table 18: In Line Connector C217
Table 19: In Line Connector C219
Table 20: In Line Connector C220
Table 21: In Line Connector C221
Table 22: In Line Connector C222
Table 23: In Line Connector C223
Table 24: In Line Connector C224
Table 25: In Line Connector C300

In Line Connector C101


Object Number: 334426  Size: CF

Connector Part Information

    • 90980-10942
    • GRY

Connector Part Information

    • 90980-10941
    • GRY

Pin

Wire Color

Function

Pin

Wire Color

Function

1

GRN/BLK

Not Used

1

GRN/BLK

Not Used

2

WHT/BLU

Not Used

2

WHT/BLU

Not Used

3

WHT/BLK

Ground

3

WHT/BLK

Ground

4

BLK/WHT

AC MG Relay Output

4

BLU/YEL

AC MG Relay Output

In Line Connector C200


Object Number: 334437  Size: CF

Connector Part Information

    • 90980-11556
    • WHT

Connector Part Information

    • 90980-11554
    • WHT

Pin

Wire Color

Function

Pin

Wire Color

Function

1 - 3

--

Not Used

1 - 3

--

Not Used

4

PNK

Left Rear Wheel Speed Signal Low

4

PNK

Left Rear Wheel Speed Signal Low

5

PPL

Left Rear Wheel Speed Signal High

5

PPL

Left Rear Wheel Speed Signal High

6

--

Not Used

6

--

Not Used

7

WHT/RED

ABS Indicator Control

7

WHT/RED

ABS Indicator Control

8

PNK/BLK

Data Link Connector-TC

8

PNK/BLK

Data Link Connector-TC

9

BLU

Data Link Connector-TC

9

BLU

Data Link Connector-TC

10

BLK

Right Front Wheel Speed Signal High

10

BLK

Right Front Wheel Speed Signal High

11

WHT

Right Front Wheel Speed Signal Low

11

WHT

Right Front Wheel Speed Signal Low

12

--

Not Used

12

--

Not Used

13

YEL

Right Rear Wheel Speed Signal High

13

YEL

Right Rear Wheel Speed Signal High

14

BRN

Right Rear Wheel Speed Signal Low

14

BRN

Right Rear Wheel Speed Signal Low

In Line Connector C201


Object Number: 334427  Size: CF

Connector Part Information

    • 90980-10813
    • WHT

Connector Part Information

    • 90980-10812
    • WHT

Pin

Wire Color

Function

Pin

Wire Color

Function

1 - 4

--

Not Used

1 - 4

--

Not Used

5

WHT

Serial Data

5

WHT

Serial Data

6

BLU/YEL

Washer Pump Control

6

BLU/YEL

Washer Pump Control

7

--

Not Used

7

--

Not Used

8

BLU/BLK

A/C MG Relay Control

8

BLU/BLK

A/C MG Relay Control

9 - 10

--

Not Used

9 - 10

--

Not Used

11

GRN/RED

Horn Relay Control

11

GRN/RED

Horn Relay Control

12

BLK

HTR Relay Output

12

BLK

HTR Relay Output

13

LT GRN

Fan Control Switch Signal

13

LT GRN

Fan Control Switch Signal

14

YEL/BLK

A/C Dual Pressure Switch Signal

14

YEL/BLK

A/C Dual Pressure Switch Signal

In Line Connector C202


Object Number: 334440  Size: CF

Connector Part Information

    • 90980-11890
    • YEL

Connector Part Information

    • 90980-11889
    • YEL

Pin

Wire Color

Function

Pin

Wire Color

Function

1

BRN

Left Discriminating Sensor Return

1

BRN

Left Discriminating Sensor Return

2

WHT/RED

Left Discriminating Sensor Feed

2

WHT/RED

Left Discriminating Sensor Feed

In Line Connector C203


Object Number: 334429  Size: CF

Connector Part Information

    • 90980-11539
    • ORN

Connector Part Information

    • 90980-11538
    • ORN

Pin

Wire Color

Function

Pin

Wire Color

Function

1

RED/BLK

Ambient Temperature Signal

1

RED/BLK

Ambient Temperature Signal

2

WHT/BLK

Ground

2

WHT/BLK

Ground

3

RED/BLK

DRL Relay Control

3

RED/BLK

DRL Relay Control

4

RED/WHT

Headlamp Relay

4

RED/WHT

Headlamp Relay

5

BRN/WHT

Sensor Ground

5

BRN/WHT

Sensor Ground

6

GRN/WHT

Brake Signal

6

GRN/WHT

Brake Signal

7

RED/BLU

Ignition Positive Voltage

7

RED/BLU

Ignition Positive Voltage

8

BLU/RED

A/C Fuse Output

8

BLU/RED

A/C Fuse Output

9

WHT

Ignition Positive Voltage

9

WHT

Ignition Positive Voltage

10

BLU/ORN

Heater Relay Control

10

BLU/ORN

Heater Relay Control

11

WHT/RED

Dimmer Relay Control

11

WHT/RED

Dimmer Relay Control

In Line Connector C204


Object Number: 334452  Size: CF

Connector Part Information

    • 90980-10799
    • WHT

Connector Part Information

    • 90980-10798
    • WHT

Pin

Wire Color

Function

Pin

Wire Color

Function

1

--

Not Used

1

--

Not Used

2

RED

Unlock Signal

2

RED

Unlock Signal

3

BLU/BLK

Left Rear Window Down (Master)

3

BLU/BLK

Left Rear Window Down (Master)

4

BLK

Ignition Positive Voltage

4

BLK

Ignition Positive Voltage

5

BLU

Lock Signal

5

BLU

Lock Signal

6 - 7

--

Not Used

6 - 7

--

Not Used

8

RED/GRN

Left Rear Window Up (Master)

8

RED/GRN

Left Rear Window Up (Master)

In Line Connector C205


Object Number: 334985  Size: CF

Connector Part Information

    • 90980-11535
    • BLU

Connector Part Information

    • 90980-11534
    • BLU

Pin

Wire Color

Function

Pin

Wire Color

Function

1

YEL

Right Rear Wheel Speed Signal High

1

YEL

Right Rear Wheel Speed Signal High

2

--

Not Used

2

--

Not Used

3

BRN

Right Rear Wheel Speed Signal Low

3

BRN

Right Rear Wheel Speed Signal Low

4

PPL

Left Rear Wheel Speed Signal High

4

PPL

Left Rear Wheel Speed Signal High

5

--

Not Used

5

--

Not Used

6

BLK

Ignition Positive Voltage

6

BLK

Ignition Positive Voltage

7

--

Not Used

7

--

Not Used

8

RED

EVAP Solenoid Control

8

RED

EVAP Solenoid Control

9

PNK

Left Rear Wheel Speed Signal Low

9

PNK

Left Rear Wheel Speed Signal Low

In Line Connector C206


Object Number: 334453  Size: CF

Connector Part Information

    • 90980-11537
    • WHT

Connector Part Information

    • 90980-11536
    • WHT

Pin

Wire Color

Function

Pin

Wire Color

Function

1

WHT

Unlock Detention Signal

1

WHT

Unlock Detention Signal

2

BLU/WHT

Lock Signal

2

BLU/WHT

Lock Signal

3

BLU

Lock Signal

3

BLU

Lock Signal

4

BLU/BLK

Lock Signal

4

BLU/BLK

Lock Signal

5

BLK

Ignition Positive Voltage

5

BLK

Ignition Positive Voltage

6

WHT/BLK

Ground

6

WHT/BLK

Ground

7

BLU/YEL

Unlock Signal

7

BLU/YEL

Unlock Signal

8

RED

Unlock Signal

8

RED

Unlock Signal

9

BLU/RED

Driver's Unlock Signal

9

BLU/RED

Driver's Unlock Signal

10

--

Not Used

10

--

Not Used

In Line Connector C207


Object Number: 334454  Size: CF

Connector Part Information

    • 90980-11001
    • BRN

Connector Part Information

    • 90980-11998
    • BRN

Pin

Wire Color

Function

Pin

Wire Color

Function

1

BLU/RED

Rear Window Down (Master)

1

BLU/RED

Rear Window Down (Master)

2

BLU/BLK

Left Rear Window Down (Master)

2

BLU/BLK

Left Rear Window Down (Master)

3

BLU/WHT

Right Front Window Down (Master)

3

BLU/WHT

Right Front Window Down (Master)

4

RED/BLK

Right Rear Window Up (Master)

4

RED/BLK

Right Rear Window Up (Master)

5

RED/GRN

Left Rear Window Up (Master)

5

RED/GRN

Left Rear Window Up (Master)

6

GRN/RED

Right Front Window Up (Master)

6

GRN/RED

Right Front Window Up (Master)

In Line Connector C208


Object Number: 334455  Size: CF

Connector Part Information

    • 90980-82037
    • WHT

Connector Part Information

    • 90980-10907
    • WHT

Pin

Wire Color

Function

Pin

Wire Color

Function

1

RED/WHT

Dome Lamp Switch Control

1

RED/WHT

Dome Lamp Switch Control

2 - 3

--

Not Used

2 - 3

--

Not Used

In Line Connector C209


Object Number: 334440  Size: CF

Connector Part Information

    • 90980-11890
    • YEL

Connector Part Information

    • 90980-11889
    • YEL

Pin

Wire Color

Function

Pin

Wire Color

Function

1

BLK//WHT

Right Discriminating Return

1

BLK//WHT

Right Discriminating Return

2

BRN/WHT

Right Discriminating Feed

2

BRN/WHT

Right Discriminating Feed

In Line Connector C210


Object Number: 334456  Size: CF

Connector Part Information

    • 90980-11574
    • WHT

Connector Part Information

    • 90980-11573
    • WHT

Pin

Wire Color

Function

Pin

Wire Color

Function

1

RED/GRN

Right Mirror Up/Down Motor

1

RED/GRN

Right Mirror Up/Down Motor

2

LT GRN

Tail Relay Control

2

LT GRN

Tail Relay Control

3

LT GRN/BLK

Parking Lamp Signal

3

LT GRN/BLK

Parking Lamp Signal

4

PPL/WHT

Vehicle Speed Output

4

PPL/WHT

Vehicle Speed Output

5

GRN/BLK

Cruise Mode Signal

5

GRN/BLK

Cruise Mode Signal

6

GRN/RED

Cruise Indicator Control

6

GRN/RED

Cruise Indicator Control

7

WHT/BLU

Cruise On/Off Signal

7

WHT/BLU

Cruise On/Off Signal

8

BLK/WHT

Start Signal

8

BLK/WHT

Start Signal

9

WHT/RED

ABS Indicator Control

9

WHT/RED

ABS Indicator Control

10

PNK/BLK

Data Link Connector-TC

10

PNK/BLK

Data Link Connector-TC

11

WHT/BLK

Ground

11

WHT/BLK

Ground

12

YEL

Air Conditioning Request

12

YEL

Air Conditioning Request

13

--

Not Used

13

--

Not Used

14

GRN/RED

Horn Relay Control

14

GRN/RED

Horn Relay Control

15

BRN/RED

Right Mirror Motor Common

15

BRN/RED

Right Mirror Motor Common

16

RED

Right Mirror Left/Right Motor

16

RED

Right Mirror Left/Right Motor

In Line Connector C211


Object Number: 334427  Size: CF

Connector Part Information

    • 90980-10813
    • WHT

Connector Part Information

    • 90980-10812
    • WHT

Pin

Wire Color

Function

Pin

Wire Color

Function

1

--

Not Used

1

--

Not Used

2

GRN/RED

Hazard Switch Signal

2

GRN/RED

Hazard Switch Signal

3

RED/WHT

Dome Lamp Control

3

RED/WHT

Dome Lamp Control

4 - 5

--

Not Used

4 - 5

--

Not Used

6

RED

Blower Speed M1

6

RED

Blower Speed M1

7

RED/YEL

High Beam Signal

7

RED/YEL

High Beam Signal

8

BLU

Right Front Speaker Negative

8

BLU

Right Front Speaker Negative

9

WHT

Serial Data

9

WHT

Serial Data

10

--

Not Used

10

--

Not Used

11

BLU/BLK

Blower Speed M2

11

BLU/BLK

Blower Speed M2

12

BLK/WHT

Blower Speed High

12

BLK/WHT

Blower Speed High

13

LT GRN

Right Front Speaker Positive

13

LT GRN

Right Front Speaker Positive

14

RED/WHT

Door Open Signal

14

RED/WHT

Door Open Signal

In Line Connector C212


Object Number: 334457  Size: CF

Connector Part Information

    • 90980-11571
    • WHT

Connector Part Information

    • 90980-11570
    • WHT

Pin

Wire Color

Function

Pin

Wire Color

Function

1 - 5

--

Not Used

1 - 5

--

Not Used

6

BRN/YEL

Shift Solenoid 2 Signal

6

BRN/YEL

Shift Solenoid 2 Signal

7

BLU/WHT

Idle Signal

7

BLU/WHT

Idle Signal

8

BLK

Engine Speed Output

8

--

Not Used

9

PNK/BLK

Serial Data-TC

9

PNK/BLK

Serial Data-TC

10

BLU

Serial Data-TS

10

BLU

Serial Data-TS

11

RED/WHT

Overdrive Cutout Signal

11

RED/WHT

Overdrive Cutout Signal

12

RED

EVAP Solenoid Control

12

RED

EVAP Solenoid Control

13

--

Not Used

13

--

Not Used

14

--

Not Used

14

--

Not Used

15

BLU/BLK

Drive Position Signal

15

BLU/BLK

Drive Position Signal

16

LT GRN

Fan Control Switch Signal

16

LT GRN

Fan Control Switch Signal

17

RED/BLU

A/C Cutout Control

17

RED/BLU

A/C Cutout Control

18

YEL/RED

A/C On Signal

18

YEL/RED

A/C On Signal

19

--

Not Used

19

--

Not Used

In Line Connector C213


Object Number: 334987  Size: CF

Connector Part Information

    • 90980-11529
    • GRY

Connector Part Information

    • 90980-11528
    • GRY

Pin

Wire Color

Function

Pin

Wire Color

Function

1

GRN/RED

Circuit Opening Relay Control

1

GRN/RED

Circuit Opening Relay Control

2

--

Not Used

2

--

Not Used

3

BLK

Clutch Pedal Depressed Signal

3

BLK

Clutch Pedal Depressed Signal

4

BLK

Ignition Positive Voltage

4

BLK

Ignition Positive Voltage

5

BLK/WHT

Ignition Positive Voltage

5

BLK/WHT

Ignition Positive Voltage

6

BLK/WHT

Ignition Positive Voltage

6

BLK/WHT

Ignition Positive Voltage

7

BLU/RED

Power Steering Pressure Signal

7

BLU/RED

Power Steering Pressure Signal

In Line Connector C215


Object Number: 334985  Size: CF

Connector Part Information

    • 90980-11535
    • GRY

Connector Part Information

    • 90980-11534
    • GRY

Pin

Wire Color

Function

Pin

Wire Color

Function

1-2

--

Not Used

1-2

--

Not Used

3

RED/GRN

Right Mirror Up/Down Motor

3

RED/GRN

Right Mirror Up/Down Motor

4-5

--

Not Used

4-5

--

Not Used

6

BRN/RED

Right Mirror Motor Common

6

BRN/RED

Right Mirror Motor Common

7

LT GRN

Right Front Speaker Positive

7

LT GRN

Right Front Speaker Positive

8

RED

Right Mirror Left/Right Motor

8

RED

Right Mirror Left/Right Motor

9

BLU

Right Front Speaker Negative

9

BLU

Right Front Speaker Negative

In Line Connector C216


Object Number: 334458  Size: CF

Connector Part Information

    • 90980-11531
    • BLK

Connector Part Information

    • 90980-11530
    • BLK

Pin

Wire Color

Function

Pin

Wire Color

Function

1

--

Not Used

1

--

Not Used

2

WHT/BLK

Ground

2

WHT/BLK

Ground

3

--

Not Used

3

--

Not Used

4

BLU/YEL

Unlock Signal

4

BLU/YEL

Unlock Signal

5

GRN/WHT

Unlock Signal

5

GRN/WHT

Unlock Signal

6

BLU/WHT

Lock Signal

6

BLU/WHT

Lock Signal

7

BLU/BLK

Lock Signal

7

BLU/BLK

Lock Signal

8

BLU/WHT

Right Front Window Down (Master)

8

BLU/WHT

Right Front Window Down (Master)

9

BLU

Lock Signal

9

BLU

Lock Signal

10

BLK

Ignition Positive Voltage

10

BLK

Ignition Positive Voltage

11

RED

Unlock Signal

11

RED

Unlock Signal

12

GRN/RED

Right Front Window Up (Master)

12

GRN/RED

Right Front Window Up (Master)

In Line Connector C217


Object Number: 334452  Size: CF

Connector Part Information

    • 90980-10799
    • WHT

Connector Part Information

    • 90980-10798
    • WHT

Pin

Wire Color

Function

Pin

Wire Color

Function

1

--

Not Used

1

--

Not Used

2

RED

Unlock Signal

2

RED

Unlock Signal

3

BLU/RED

Right Rear Window Down (Master)

3

BLU/RED

Right Rear Window Down (Master)

4

BLK

Ignition Positive Voltage

4

BLK

Ignition Positive Voltage

5

BLU

Lock Signal

5

BLU

Lock Signal

6-7

--

Not Used

6-7

--

Not Used

8

RED/BLK

Right Rear Window Up (Master)

8

RED/BLK

Right Rear Window Up (Master)

In Line Connector C219


Object Number: 334985  Size: CF

Connector Part Information

    • 90980-11535
    • GRY

Connector Part Information

    • 90980-11534
    • GRY

Pin

Wire Color

Function

Pin

Wire Color

Function

1-2

--

Not Used

1-2

--

Not Used

3

LT GRN

Left Mirror Up/Down Motor

3

LT GRN

Left Mirror Up/Down Motor

4-5

--

Not Used

4-5

--

Not Used

6

BRN/RED

Left Mirror Motor Common

6

BRN/RED

Left Mirror Motor Common

7

PNK

Left Front Speaker Positive

7

PNK

Left Front Speaker Positive

8

BLU

Left Mirror Left/Right Motor

8

BLU

Left Mirror Left/Right Motor

9

PPL

Left Front Speaker Negative

9

PPL

Left Front Speaker Negative

In Line Connector C220


Object Number: 334459  Size: CF

Connector Part Information

    • 90980-11527
    • BLK

Connector Part Information

    • 90980-11526
    • BLK

Pin

Wire Color

Function

Pin

Wire Color

Function

1

YEL

Low Fuel Indicator Control

1

YEL

Low Fuel Indicator Control

2

--

Not Used

2

--

Not Used

3

WHT

Right Rear Speaker Negative

3

WHT

Right Rear Speaker Negative

4

RED

Right Rear Speaker Positive

4

RED

Right Rear Speaker Positive

5

BRN

Ground

5

BRN

Ground

6

YEL/RED

Fuel Level Signal

6

YEL/RED

Fuel Level Signal

7

RED

Seat Belt Switch Signal

7

RED

Seat Belt Switch Signal

8

BLK

DEF Relay Output

8

BLK

DEF Relay Output

9

YEL

LH Rear Speaker Positive

9

YEL

LH Rear Speaker Positive

10

BLK

LH Rear Speaker Negative

10

BLK

LH Rear Speaker Negative

In Line Connector C221


Object Number: 334453  Size: CF

Connector Part Information

    • 90980-11537
    • BLU

Connector Part Information

    • 90980-11536
    • BLU

Pin

Wire Color

Function

Pin

Wire Color

Function

1-5

--

Not Used

1-5

--

Not Used

6

YEL

Reference Voltage

6

YEL

Reference Voltage

7

--

Not Used

7

--

Not Used

8

BLU

Fuel Tank Pressure Input

8

BLU

Fuel Tank Pressure Input

9

--

Not Used

9

--

Not Used

10

BRN

Sensor Ground

10

BRN

Sensor Ground

In Line Connector C222


Object Number: 334458  Size: CF

Connector Part Information

    • 90980-11531
    • WHT

Connector Part Information

    • 90980-11530
    • WHT

Pin

Wire Color

Function

Pin

Wire Color

Function

1

GRY

Shield Drain Wire

1

GRY

Shield Drain Wire

2

GRY

Shield Drain Wire

2

GRY

Shield Drain Wire

3

RED

Heated Oxygen Sensor 2 Input

3

BLK

Heated Oxygen Sensor 2 Input

4

GRN/WHT

Brake Signal

4

GRN/WHT

Brake Signal

5

BLK/YEL

Air Bag Indicator Control

5

BLK/YEL

Air Bag Indicator Control

6

YEL/GRN

Engine Coolant Temperature Signal

6

YEL/GRN

Engine Coolant Temperature Signal

7

WHT

Serial Data

7

WHT

Serial Data

8

BLK

Defogger Idle-up Signal

8

BLK

Defogger Idle-up Signal

9

GRN

Taillights Idle-up Signal

9

GRN

Taillights Idle-up Signal

10

RED/BLK

Backup Lamp Signal

10

RED/BLK

Backup Lamp Signal

11

WHT

Oil Pressure Indicator Control

11

WHT

Oil Pressure Indicator Control

12

BRN

Ground

12

BRN

Ground

In Line Connector C223


Object Number: 334988  Size: CF

Connector Part Information

    • 90980-11503
    • BLU

Connector Part Information

    • 90980-11502
    • BLU

Pin

Wire Color

Function

Pin

Wire Color

Function

1-4

--

Not Used

1-4

--

Not Used

5

BLK

Ignition Positive Voltage

5

BLK

Ignition Positive Voltage

6

YEL

Reference Voltage

6

YEL

Reference Voltage

7

BLU

Fuel Tank Pressure Input

7

BLU

Fuel Tank Pressure Input

8

BRN

Sensor Ground

8

BRN

Sensor Ground

9-12

--

Not Used

9-12

--

Not Used

13

RED/YEL

Malfunction Indicator Lamp Control

13

RED/YEL

Malfunction Indicator Lamp Control

14

PPL/WHT

Vehicle Speed Input

14

PPL/WHT

Vehicle Speed Input

15

BLK/WHT

Neutral/Start Signal

15

BLK/WHT

Neutral/Start Signal

16

PNK

Heated Oxygen Sensor 2 Heater Control

16

PNK

Heated Oxygen Sensor 2 Heater Control

17

BRN

Ground

17

BRN

Ground

18

WHT/BLU

Vehicle Speed Sensor Input

18

WHT/BLU

Vehicle Speed Sensor Input

19

RED/WHT

Vehicle Speed Sensor Ground

19

RED/WHT

Vehicle Speed Sensor Ground

20

--

Not Used

20

--

Not Used

21

BRN

Ground

21

BRN

Ground

22

LT GRN

O/D On/Off Signal

22

LT GRN

O/D On/Off Signal

In Line Connector C224


Object Number: 741009  Size: CH

Object Number: 741010  Size: CH

Connector Part Information

    • 9098011909
    • WHT

Connector Part Information

    • 9098011010
    • WHT

Pin

Wire Color

Function

Pin

Wire Color

Function

1

BLU/WHT

Recirc Signal

1

WHT

Recirc Signal

2

GRN/YEL

Not Used

2

--

Not Used

3

--

Not Used

3

--

Not Used

4

WHT/BLK

Ground

4

BLK

Ground

5

RED/BLU

Supply Voltage

5

GRY/BLK

Supply Voltage

In Line Connector C300


Object Number: 334991  Size: CF

Connector Part Information

    • 90980-11011
    • WHT

Connector Part Information

    • 90980-11587
    • WHT

Pin

Wire Color

Function

Pin

Wire Color

Function

1

--

Not Used

1

--

Not Used

2

RED

EVAP Solenoid Control

2

RED

EVAP Solenoid Control

3

YEL

Reference Voltage

3

YEL

Reference Voltage

4

BLU

Fuel Tank Pressure Input

4

BLU

Fuel Tank Pressure Input

5

BRN

Sensor Ground

5

BRN

Sensor Ground

6

BLK

Ignition Positive Voltage

6

BLK

Ignition Positive Voltage