GM Service Manual Online
For 1990-2009 cars only
Table 1: Stop Lamp Switch C1 Connector
Table 2: Stop Lamp Switch C2 Connector
Table 3: Stop Lamp Switch Interface Module Connector
Table 4: Turn Signal/Multifunction Switch C2 Connector (L18)
Table 5: Turn Signal/Multifunction Switch C2 Connector (LG5)

Stop Lamp Switch C1 Connector


Object Number: 130679  Size: CH

Connector Part Information

    • 12033704
    • 4-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN

640

Battery Positive Voltage

B

LT BLU

20

Stoplamp Supply Voltage

C

ORN

540

Battery Positive Voltage (JE3)

C

--

--

Not Used (JE5)

D

GRY

847

Extended TravelBrake Switch Signal (JE3)

D

--

--

Not Used (JE5)

Stop Lamp Switch C2 Connector


Object Number: 333038  Size: CH

Connector Part Information

    • 12033709
    • 2-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

451

Ground

B

TAN

848

Brake Switch Signal

Stop Lamp Switch Interface Module Connector


Object Number: 403569  Size: CH

Connector Part Information

    • 12004706
    • 6 Way Edgeboard Series, Standard (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

39

Ignition 1 Voltage

B

PPL

420

TCC Brake Switch Signal

C

TAN

848

Brake Switch Signal

D

RED

20

Stop Lamp Supply Voltage

E

BLK/WHT

451

Ground

F

LT GRN

526

Stop Lamp Switch Signal

Turn Signal/Multifunction Switch C2 Connector (L18)


Object Number: 223368  Size: CH

Connector Part Information

    • 12020651
    • 4-Way F Edgeboard Series, ECM (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

39

Ignition 1 Voltage

B

GRY

397

Cruise Control On Switch Signal

C

GRY/BLK

87

Cruise Control Resume/Accel Switch Signal

D

DK BLU

84

Cruise Control Set/Coast Switch Signal

Turn Signal/Multifunction Switch C2 Connector (LG5)


Object Number: 223368  Size: CH

Connector Part Information

    • 12020651
    • 4-Way F Edgeboard Series, ECM (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

808

Low Reference

B

GRY

397

Cruise Control On Switch Signal

C

GRY/BLK

87

Cruise Control Resume/Accel Switch Signal

D

DK BLU

84

Cruise Control Set/Coast Switch Signal