Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSPONTIAC2008GRAND PRIX BASEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 166 (SUPPLEMENTAL INFLATABLE RESTRAINT SYSTEM)COMPONENT LOCATORSIR CONNECTOR END VIEWS
2008 Pontiac Grand Prix Base
SIR Connector End Views
2008 Pontiac Grand Prix BaseSECTION SIR Connector End Views
WARNING: This page is about a different car, the 2007 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
Front End Sensor (Left) Connector End View/Part Information/Terminal Identification
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | GY | 2260 | Low Reference |
| B | YE | 2160 | Front End Sensor Signal - Left |
Front End Sensor (Right) Connector End View/Part Information/Terminal Identification
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | PU | 2612 | Low Reference |
| B | WH/BK | 2611 | Front End Sensor Signal - Right |
PPS Module C1 Connector End View/Part Information/Terminal Identification
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | OG | 640 | Battery Positive Voltage |
| 2 | YE | 1139 | Ignition 1 Voltage |
| 3 | D-BU | 2307 | Passenger Air Bag On Indicator Control |
| 4 | D-GN | 2308 | Passenger Air Bag Off Indicator Control |
| 5 | PK | 2306 | Occupant Sensor Serial Data Link |
| 6 | BK/WH | 1751 | Ground |
| 7-9 | - | - | Not Used |
| 10 | D-BU | 2479 | Passenger Heated Seat Element Supply Voltage (KA1) |
PPS Module C2 Connector End View/Part Information/Terminal Identification
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A1 | WH | 783 | Temperature Sensor |
| A2 | RD | 783 | Humidity Sensor |
| A3 | YE | 783 | Ground |
| A4 | L-GN | 783 | Ignition 1 Voltage |
| B1 | GY | 733 | Front Passenger Mass and Position Signal |
| B2 | GY | 744 | Front Passenger Mass and Position Signal |
| B3 | GY | 803 | Front Passenger Mass and Position Signal |
| B4 | GY | 872 | Front Passenger Mass and Position Signal |
| B5 | GY | 878 | Front Passenger Mass and Position Signal |
| B6 | GY | 1004 | Front Passenger Mass and Position Signal |
| B7 | GY | 1068 | Front Passenger Mass and Position Signal |
| B8 | GY | 1073 | Front Passenger Mass and Position Signal |
| B9-B10 | - | - | Not Used |
I/P Module Connector End View/Part Information/Terminal Identification
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A1 | YE | 3025 | I/P Module - Stage 1 - High Control |
| A2 | OG | 3024 | I/P Module - Stage 1 - Low Control |
| B1 | GY | 3027 | I/P Module - Stage 2 - High Control |
| B2 | PU | 3026 | I/P Module - Stage 2 - Low Control |
Passenger Air Bag ON/OFF Indicator Connector End View/Part Information/Terminal Identification
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | D-BU | 2307 | Passenger Air Bag On Indicator Control |
| 2 | BK | 1551 | Ground |
| 3 | D-GN | 2308 | Passenger Air Bag Off Indicator Control |
| 4 | YE | 1139 | Ignition 1 Voltage |
| 5 | BN | 5234 | Passenger Seat Belt Indicator |
SDM Connector End View/Part Information/Terminal Identification
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A1 | TN | 3021 | Steering Wheel Module - Stage 1 - High Control |
| A2 | BN | 3020 | Steering Wheel Module - Stage 1 - Low Control |
| A3 | OG | 3024 | I/P Module - Stage 1 - Low Control |
| A4 | YE | 3025 | I/P Module - Stage 1 - High Control |
| A5 | BK/WH | 2118 | Seat Belt Pretensioner - Left - High Control |
| A6 | OG/BK | 2119 | Seat Belt Pretensioner - Left - Low Control |
| A7 | OG | 2117 | Seat Belt Pretensioner - Right - Low Control |
| A8 | L-GN | 2116 | Seat Belt Pretensioner - Right - High Control |
| A9 | BK/WH | 1751 | Ground |
| A10 | YE | 1139 | Ignition 1 Voltage |
| A11 | D-BU | 1128 | SDM Class 2 Serial Data |
| A12 | - | - | Not Used |
| A13 | PK | 2306 | Occupant Sensor Serial Data Link |
| A14 | BK/WH | 238 | Seat Belt Switch - Left |
| A15 | - | - | Not Used |
| A16 | RD | 1362 | Seat Belt Switch - Right |
| A17-A18 | - | - | Not Used |
| B1 | WH | 3023 | Steering Wheel Module - Stage 2 - High Control |
| B2 | PK | 3022 | Steering Wheel Module - Stage 2 - Low Control |
| B3 | PU | 3026 | I/P Module - Stage 2 - Low Control |
| B4 | GY | 3027 | I/P Module - Stage 2 - High Control |
| B5 | YE | 2160 | Front End Sensor Signal - Left |
| B6 | GY | 2260 | Low Reference |
| B7 | PU | 2612 | Low Reference |
| B8 | WH/BK | 2611 | Front End Sensor Signal - Right |
| C1 | BN | 2137 | Roof Rail Module - Left - High Control (AY1) |
| C2 | YE/BK | 2138 | Roof Rail Module - Left - Low Control (AY1) |
| C3 | L-GN | 2136 | Roof Rail Module - Right - Low Control (AY1) |
| C4 | BK/WH | 2135 | Roof Rail Module - Right - High Control (AY1) |
| C5 | YE | 2131 | Side Impact Sensing Module - Left - Voltage (AY1) |
| C6 | WH | 2132 | Side Impact Sensing Module - Left - Signal (AY1) |
| C7 | D-GN | 2134 | Side Impact Sensing Module - Right - Signal (AY1) |
| C8 | TN | 2133 | Side Impact Sensing Module - Right - Voltage (AY1) |
Side Impact Sensor (Left) Connector End View/Part Information/Terminal Identification (AY1)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | WH | 2132 | Side Impact Sensing Module - Left - Signal |
| B | YE | 2131 | Side Impact Sensing Module - Left - Voltage |
Impact Sensor (Right) Connector End View/Part Information/Terminal Identification (AY1)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | D-GN | 2134 | Side Impact Sensing Module - Right - Signal |
| B | TN | 2133 | Side Impact Sensing Module - Right - Voltage |
Steering Wheel Module Coil C1 Connector End View/Part Information/Terminal Identification
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A1 | TN | 3021 | Steering Wheel Module - Stage 1 - High Control |
| A2 | BN | 3020 | Steering Wheel Module - Stage 1 - Low Control |
| B1 | WH | 3023 | Steering Wheel Module - Stage 2 - High Control |
| B2 | PK | 3022 | Steering Wheel Module - Stage 2 - Low Control |
Steering Wheel Module Coil C2 Connector End View/Part Information/Terminal Identification
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | TN | 3021 | Steering Wheel Module - Stage 1 - High Control |
| 2 | BN | 3020 | Steering Wheel Module - Stage 1 - Low Control |
Steering Wheel Module Coil C3 Connector End View/Part Information/Terminal Identification
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | WH | 3023 | Steering Wheel Module - Stage 2 - High Control |
| 2 | PK | 3022 | Steering Wheel Module - Stage 2 - Low Control |
Steering Wheel Module Coil C4 Connector End View/Part Information/Terminal Identification (UK3)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BN | 738 | Horn Relay Control |
| B | PK | 1539 | Ignition 1 Voltage |
| C | - | - | Not Used |
| D | YE | 1996 | Remote Shift Selector Signal |
| E | PU | 1375 | Remote Radio Control Supply Voltage |
| F | GY/BK | 1458 | Instrument Panel Lamp Supply Voltage |
| G | D-BU | 1796 | Steering Wheel Controls Signal |
| H | BK | 1450 | Ground |
Steering Wheel Module Coil C4 Connector End View/Part Information/Terminal Identification (w/o UK3)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BN | 738 | Horn Relay Control |
| B | - | - | Not Used |
Steering Wheel Module Coil C5 Connector End View/Part Information/Terminal Identification (UK3)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BK | 28 | Horn Relay Control |
| B | PK | 1539 | Ignition 1 Voltage (KB7) |
| C | - | - | Not Used |
| D | YE | 1996 | Remote Shift Selector Signal (KB7) |
| E | PU | 1375 | Remote Radio Control Supply Voltage |
| F | GY/BK | 1458 | Instrument Panel Lamp Supply Voltage |
| GY/BK | 1458 | Instrument Panel Lamp Supply Voltage | |
| G | D-BU | 1796 | Steering Wheel Controls Signal |
| D-BU | 1796 | Steering Wheel Controls Signal | |
| H | BK | 150 | Ground |
| BK | 150 | Ground | |
Steering Wheel Module Coil C5 Connector End View/Part Information/Terminal Identification (w/o UK3)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BK | 28 | Horn Relay Control |
| B | - | - | Not Used |
Roof Rail Module (Left) Connector End View/Part Information/Terminal Identification (AY1)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | BN | 2137 | Roof Rail Module - Left - High Control |
| 2 | YE/BK | 2138 | Roof Rail Module - Left - Low Control |
Roof Rail Module (Right) Connector End View/Part Information/Terminal Identification (AY1)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | BK/WH | 2135 | Roof Rail Module - Right - High Control |
| 2 | L-GN | 2136 | Roof Rail Module - Right - Low Control |
Seat Belt Pretensioner (Left) Connector End View/Part Information/Terminal Identification
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BK/WH | 2118 | Seat Belt Pretensioner - Left - High Control |
| B | OG/BK | 2119 | Seat Belt Pretensioner - Left - Low Control |
Seat Belt Pretensioner (Right) Connector End View/Part Information/Terminal Identification
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | L-GN | 2116 | Seat Belt Pretensioner - Right - High Control |
| B | OG | 2117 | Seat Belt Pretensioner - Right - Low Control |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.