HVAC Connector End Views
WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
A/C Compressor Clutch
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | D-GN | 59 | A/C Compressor Clutch Supply Voltage |
| B | BK | 1050 | Ground |
A/C Refrigerant Pressure Sensor
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | BK | 2751 | Low Reference |
| 2 | GY | 2700 | 5-Volt Reference |
| 3 | RD/BK | 380 | A/C Refrigerant Pressure Sensor Signal |
Air Temperature Actuator
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | D-BU | 1646 | Air Temperature Door Control B |
| B | D-BU | 1646 | Air Temperature Door Control A |
Blower Motor
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | PU | 65 | Blower Motor Supply Voltage |
| B | BK | 2150 | Ground |
Blower Motor Control Processor
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BK | 1450 | Ground |
| B | GY/BK | 754 | Blower Motor Speed Control |
| C | RD | 442 | Battery Positive Voltage |
| D | BK | 2150 | Ground |
| E | PU | 65 | Blower Motor Supply Voltage |
HVAC Control Module
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A1 | - | - | Not Used |
| A2 | OG | 1040 | Battery Positive Voltage |
| A3 | PK | 739 | Ignition 1 Voltage |
| A4 | - | - | Not Used |
| A5 | BK/WH | 1551 | Ground |
| A6-A8 | - | - | Not Used |
| A9 | D-BU | 1646 | Air Temperature Door Control B |
| A10 | D-BU | 1646 | Air Temperature Door Control A |
| A11 | L-GN/BK | 1647 | Recirculation Door Control B |
| A12 | PK/WH | 1648 | Recirculation Door Control A |
| B1 | - | - | Not Used |
| B2 | WH | 1038 | HVAC Class 2 Serial Data |
| B3-B4 | - | - | Not Used |
| B5 | GY | 8 | Instrument Panel Lamp Supply Voltage |
| B6 | BK | 1450 | Ground |
| B7-B8 | - | - | Not Used |
| B9 | GY/BK | 754 | Blower Motor Speed Control |
| B10 | TN | 2273 | Mode Door Control B |
| B11 | L-GN | 2275 | Mode Door Control A |
| B12 | - | - | Not Used |
Mode Actuator
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | TN | 2273 | Mode Door Control B |
| B | - | - | Not Used |
| C | L-GN | 2275 | Mode Door Control A |
Recirculation Actuator
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | L-GN/BK | 1647 | Recirculation Door Control B |
| B | PK/WH | 1648 | Recirculation Door Control A |