GM Service Manual Online
For 1990-2009 cars only

Accessory Switch (SEO)


Object Number: 62434  Size: CH

Connector Part Information

    • 12103389
    • 8-Way M Metric-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

PPL

328

Interior Lamp Defeat Switch Output

C

WHT

717

Illuminated Display Signal

D

LT GRY

376

Digital Trip Odometer Reset Switch Signal

E

BLK

1550

Ground

F

--

--

Not Used

G

PNK

1439

Fused Output IGN 1

H

DK GRN

588

Daytime Running Lamp Switch Output

Brake Fluid Level Indicator Switch


Object Number: 232831  Size: CH

Connector Part Information

    • 12162194
    • 2-Way F Metric-Pack 150.2 Series Pull to Seat, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

33

Brake Warning Indicator Lamp Output

B

BLK

1050

Ground

Instrument Cluster, Digital Speedometer Module (SEO)


Object Number: 62434  Size: CH

Connector Part Information

    • 12045688
    • 8-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

1550

Ground

B

DK GRN

389

Vehicle Speed Signal-4000 Pules Per Mile

C

LT BLU

811

Metric Conversion Switch Signal

D

GRY/BLK

308

Parklamp Switch Signal-ON

E

BRN/WHT

230

Instrument Panel Lamps Dimmer Module Output

F

BRN

41

Fused Output-IGN 3

G

YEL/BLK

714

SIR Force High Resistor Output

H

GRY

376

Interior Lamp Dim Signal

Engine Coolant Level Indicator Switch Module


Object Number: 73223  Size: CH

Connector Part Information

    • 12162186
    • 3-Way F Metric-Pack 150.2 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

YEL/BLK

68

Low Coolant Level Indicator Level Output

C

BLK

451

PCM Ground

Engine Oil Level Sensor


Object Number: 35437  Size: CH

Connector Part Information

    • 12052641
    • 2-Way F Metric-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

1174

Oil Level Sensor Signal

B

BLK/WHT

451

PCM Ground

Engine Oil Pressure Indicator Switch (VIN M)


Object Number: 39663  Size: CH

Connector Part Information

    • 12065401
    • 3-Way F Metric-Pack 150 Series Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

PPL

31

Oil Pressure Indicator Lamp Output

B-D

--

--

Not Used

Engine Oil Pressure Indicator Switch (VIN K)


Object Number: 258230  Size: CH

Connector Part Information

    • 12065298
    • 4-Way F Metric-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

31

Oil Pressure Indicator Lamp Output

B

BLK

1050

Ground

C-D

--

--

Not Used

Instrument Cluster


Object Number: 328562  Size: CH

Connector Part Information

    • 12045575
    • 32-Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

C1

PNK

39

Fused Output-IGN 1

C2

--

--

Not Used

C3

BLK

1550

Ground

C4

--

--

Not Used

C5

GRY

8

Instrument Panel Lamp Feed

C6

GRY

8

Instrument Panel Lamp Feed

C7

TAN/WHT

33

Brake Warning Indicator Lamp Output

C8

LT GRN

1656

Traction Control System Active Indicator Lamp Output

C9

--

--

Not Used

C10

BRN/WHT

419

Check Engine Indicator Lamp Output

C11

GRY

803

Change Oil Indicator Lamp Output

C12

--

--

Not Used

C13

YEL/BLK

68

Low Coolant Level Indicator Lamp Output

C14

ORN

55

Fuel Gage Signal

C15

BRN

358

SIR Indicator Lamp Output

C16

BRN

25

Charge Indicator Lamp Output

D1-2

--

--

Not Used

D3

BLK

150

Ground

D4

--

--

Not Used

D5

DK BLU

15

Turn Signal Lamp Feed-RF

D6

WHT

629

High Beam Indicator Lamp Feed-DRL

D7

--

--

Not Used

D8

WHT

121

Tachometer Signal

D9

DK GRN

389

Vehicle Speed Sensor-4000 Pulses Per Mile

D10

YEL

234

Seat Belt Indicator Lamp Output

D11

DK GRN

146

Trunk Ajar Indicator Lamp Output

D12

DK GRN

135

Coolant Temperature Sensor Signal

D13

WHT

852

ABS Pump Motor Relay Output-Coil

D14

TAN

31

Oil Pressure Indicator Lamp Output

D15

BRN/WHT

1172

Auxiliary Blower Motor Feed

D16

GRY

728

Security Indicator Lamp Output (SEO only)

Parking Brake Switch


Object Number: 35348  Size: CH

Connector Part Information

    • 12004267
    • 1-Way F Metric-Pack 56 Selflock Type (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

1134

Park Brake Switch Signal

Seat Belt Switch


Object Number: 95782  Size: CH

Connector Part Information

    • 12065651
    • 2-Way M Metric-Pack 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

238

Seat Belt Switch Signal

B

BLK

750

Ground

SEO Switch Panel Diode

 

Connector Part Information

    • AED05051
    • Diode, Rect, 400V, 3A, AX

Pin

Wire Color

Circuit No.

Function

A

PPL

328

Interior Lamp Defeat Switch Output

B

--

899

Diode