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.DBβ LIVE
HOMESERVICE MANUALSPONTIAC2007WAVE LT, 4D HATCHBACK, STANDARD, Y4M/MLMREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 15 (HVAC SYSTEM - MANUAL)COMPONENT LOCATORHVAC CONNECTOR END VIEWS
2007 Pontiac Wave LT, 4D Hatchback, Standard, Y4M/MLM
HVAC Connector End Views
2007 Pontiac Wave LT, 4D Hatchback, Standard, Y4M/MLMSECTION HVAC Connector End Views
WARNING: This page is about a different car, the 2008 Suzuki Swift +, 2008 Pontiac Wave, and 2008 Chevrolet Aveo. However, it is still accessible from the selected car via links, so may be relevant.
A/C Compressor Clutch (1.2L)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | OG/BK | - | A/C Compressor Clutch Supply Voltage |
A/C Compressor Clutch (1.4/1.5/1.6L)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | OG/BK | - | A/C Compressor Clutch Supply Voltage |
| 2 | BK | - | Ground |
A/C Refrigerant Pressure Sensor (1.2L)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | OG/BK | - | A/C Refrigerant Pressure Sensor Signal |
| 2 | L-BU | - | Low Reference |
| 3 | L-GN | - | 5-Volt Reference |
A/C Refrigerant Pressure Sensor (1.4L/1.5L/1.6L)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | OG/BK | - | 5-Volt Reference |
| 2 | L-BU | - | Low Reference |
| 3 | L-BU | - | A/C Refrigerant Pressure Sensor Signal |
Blower Motor
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | BK | - | Ground |
| 2 | RD/BK | - | Battery Positive Voltage |
Blower Motor Resistor
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | YE | - | Blower Motor Low Control |
| 2 | OG | - | Blower Motor High Control |
| 3 | BN | - | Blower Motor Medium 1 Control |
| 4 | L-BU | - | Medium 2 Blower Motor Control |
Blower Switch
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | OG | - | HVAC On Signal |
| 2 | OG | - | Ignition Voltage |
| 3 | L-BU | - | Blower Motor Medium 3 Control |
| 4 | YE | - | Blower Motor Low Control |
| 5 | BN | - | Blower Motor Medium 2 Control |
| 6 | OG | - | Blower Motor High Control |
Evaporator Temperature Sensor (1.2L Only)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | BU | - | Evaporator Temperature Sensor Signal |
| 2 | L-BU | - | Reference Low |
HVAC Control
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | BN | - | Accessory Voltage |
| 2 | BK | - | Ground |
| 3 | BN/WH | - | Instrument Panel Lamps Supply Voltage |
| 4 | L-GN/WH | - | Instrument Panel Lamps Ground (w/o Dimming) |
| Instrument Panel Lamps Dimming Control (w/Dimming) | |||
| 5 | OG | - | HVAC On Signal |
| 6 | D-GN/WH | - | A/C Request Signal |
| 7 | PK/WH | - | Recirculation Door Control A |
| 8 | L-GN/BK | - | Recirculation Door Control B |
| 9 | L-BU | - | Rear Defogger Relay Control |
| 10 | OG | - | Battery Positive Voltage |
Recirculation Actuator
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1-4 | - | - | Not Used |
| 5 | PK/WH | - | Recirculation Door Control A |
| 6 | - | - | Not Used |
| 7 | L-GN/BK | - | Recirculation Door Control B |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.