GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Blazer - 2WD 🢒 Body and Accessories 🢒 Data Link Communications 🢒 SIR Connector End Views
Table 1: Inflatable Restraint Front End Discriminating Sensor - Left
Table 2: Inflatable Restraint Front End Discriminating Sensor - Right
Table 3: Inflatable Restraint I/P Module
Table 4: Inflatable Restraint I/P Module Disable Switch (Pickup Only)
Table 5: Inflatable Restraint Sensing and Diagnostic Module (SDM)
Table 6: Inflatable Restraint Steering Wheel Module Coil C1 (Pigtail to the Inflatable Restraint Steering Wheel Module)
Table 7: Inflatable Restraint Steering Wheel Module Coil C2 (Pigtail to the Body Harness)
Table 8: Inflatable Restraint Steering Wheel Module Coil C3 (Pigtail to the SWC Switches)
Table 9: Inflatable Restraint Steering Wheel Module Coil C4 (Pigtail to the Body Harness)

Inflatable Restraint Front End Discriminating Sensor - Left


Object Number: 338009 Size: CH

Connector Part Information
    • 12191660
    • 4-Way F 280 Series Sealed (YEL)

Pin

Wire Color

Circuit No.

Function

A

YEL

2160

Front End Discriminating Sensor Signal

B

YEL

2160

Front End Discriminating Sensor Signal

C

BLK/WHT

2151

Ground

D

BLK/WHT

2151

Ground

Inflatable Restraint Front End Discriminating Sensor - Right


Object Number: 95761 Size: CH

Connector Part Information
    • 12176650
    • 2-Way F 280 Series Sealed (YEL)

Pin

Wire Color

Circuit No.

Function

A

YEL

2160

Front End Discriminating Sensor Signal (w/o K18)

YEL

1834

Front End Discriminating Sensor Signal (w/K18)

B

BLK/WHT

2151

Ground (w/o K18)

BLK/WHT

1851

Ground (w/K18)

Inflatable Restraint I/P Module


Object Number: 38270 Size: CH

Connector Part Information
    • 15358765
    • 2-Way M Metri-Pack 280 Series, Pull-to-Seat (YEL)

Pin

Wire Color

Circuit No.

Function

A

WHT/BLK

1403

I/P Module - High Control

B

DK GRN/WHT

1404

I/P Module - Low Control

Inflatable Restraint I/P Module Disable Switch (Pickup Only)


Object Number: 362753 Size: CH

Connector Part Information
    • 15305286
    • 6-Way F Clip and Strap Assembly (YEL)

Pin

Wire Color

Circuit No.

Function

A

TAN/BLK

371

I/P Module Disable Switch - Signal

B

YEL

1139

Ignition 1 Voltage

C

PPL/WHT

1382

LED Dimming Signal

D

GRY

1220

Instrument Panel Lamp Fuse Supply Voltage 2 

E

PNK

353

I/P Module Suppression Indicator Control

F

BLK

1050

Ground

Inflatable Restraint Sensing and Diagnostic Module (SDM)


Object Number: 793959 Size: CH

Connector Part Information
    • 15357037
    • 18-Way F Micro-Pack 100W Series, Sealed (YEL)

Pin

Wire Color

Circuit No.

Function

A1

YEL

1139

Ignition 1 Voltage

A2

--

--

Not Used

A3

WHT/BLK

1403

I/P Module - High Control

A4

DK BLU

1128

SDM Class 2 Serial Data

A5

--

--

Not Used

A6

WHT

347

Steering Wheel Module - High Control

A7

DK GRN

348

Steering Wheel Module - Low Control

A8

DK GRN/WHT

1404

I/P Module - Low Control

A9

PNK

353

I/P Module Suppression Indicator Control

A10

TAN/BLK

371

I/P Module Disable Switch - Signal

A11

YEL

2160

Front End Discriminating Sensor Signal

A12

BLK/WHT

2151

Ground

A13-A17

--

--

Not Used

A18

BLK/WHT

1851

Ground

Inflatable Restraint Steering Wheel Module Coil C1 (Pigtail to the Inflatable Restraint Steering Wheel Module)


Object Number: 847202 Size: CH

Connector Part Information
    • 12186991
    • 2-Way F Micro-Pack 100 Series (YEL)

Pin

Wire Color

Circuit No.

Function

A

WHT

347

Steering Wheel Module - High Control

B

DK GRN

348

Steering Wheel Module - Low Control

Inflatable Restraint Steering Wheel Module Coil C2 (Pigtail to the Body Harness)


Object Number: 295469 Size: CH

Connector Part Information
    • 12186989
    • 2-Way M Micro-Pack 100 Series (YEL)

Pin

Wire Color

Circuit No.

Function

A

WHT

347

Steering Wheel Module - High Control

B

DK GRN

348

Steering Wheel Module - Low Control

Inflatable Restraint Steering Wheel Module Coil C3 (Pigtail to the SWC Switches)


Object Number: 1031760 Size: CH

Connector Part Information
    • 15326050
    • 4-Way M Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

43

RAP Fuse Supply Voltage

B

GRY

949

Instrument Panel Lamp Supply Voltage

C

LT GRN

1011

Request Signal Input

D

BLK

152

Ground

Inflatable Restraint Steering Wheel Module Coil C4 (Pigtail to the Body Harness)


Object Number: 287981 Size: CH

Connector Part Information
    • 12092162
    • 4-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

801

RAP Fuse Supply Voltage

B

BRN

1244

Instrument Panel Lamp Supply Voltage

C

DK BLU

1796

Request Signal Input

D

BLK

1850

Ground