HVAC Connector End Views
WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
A/C Compressor Clutch Assembly
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BLK | 350 | Ground |
| B | DK GRN | 59 | A/C Compressor Clutch Supply Voltage |
| C | LT GRN | 2278 | A/C Compressor Status Signal |
A/C Low Pressure Switch
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | DK BLU | 204 | A/C Low Pressure Sensor Signal |
| B | BLK | 250 | Ground |
A/C Refrigerant Pressure Sensor
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | BLK | 2751 | Low Reference |
| 2 | GRY | 2700 | 5 Volt Reference |
| 3 | RED/BLK | 380 | A/C Refrigerant Pressure Sensor Signal |
Air Temperature Actuator - Auxiliary (Body Type VIN 6)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | GRY | 2598 | Low Reference |
| 2 | DK BLU | 1199 | Auxiliary Air Temperature Door Position Signal |
| 3 | GRY/BLK | 598 | 5 Volt Reference |
| 4 | RED | 2600 | Auxiliary Actuator Door Control |
| 5 | YEL | 2214 | Auxiliary Air Temperature Door Control |
Air Temperature Actuator - Left
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 5 | BRN | 341 | Ignition 3 Voltage |
| 6 | DK BLU | 1199 | Left Air Temperature Door Control |
| 7 | YEL | 1791 | Low Reference |
| 8 | - | - | Not Used |
| 9 | LT BLU | 733 | Left Air Temperature Door Position Signal |
| 10 | LT BLU/BLK | 1688 | 5 Volt Reference |
Air Temperature Actuator - Right
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 5 | BRN | 341 | Ignition 3 Voltage |
| 6 | WHT/BLK | 1236 | Right Air Temperature Door Control |
| 7 | YEL | 1791 | Low Reference |
| 8 | - | - | Not Used |
| 9 | DK BLU | 1646 | Right Air Temperature Door Position Signal |
| 10 | LT BLU /BLK | 1688 | 5 Volt Reference |
Blower Motor
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | PPL | 65 | Blower Motor Supply Voltage |
| B | BLK | 850 | Ground |
Blower Motor - Auxiliary (Body Type VIN 6)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | ORN | 840 | Battery Positive Voltage |
| B | BLK | 250 | Ground |
Blower Motor Control Processor - Auxiliary (Body Type VIN 6)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BLK | 1650 | Ground |
| B | BLK | 250 | Ground |
| C | GRY | 2604 | Auxiliary Blower Motor Speed Control |
| D | ORN | 840 | Battery Positive Voltage |
Blower Motor Fuse - Auxiliary (Body Type VIN 6)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | ORN | 840 | Battery Positive Voltage |
| B | ORN | 840 | Battery Positive Voltage |
| ORN | 840 | Battery Positive Voltage | |
Blower Motor Resistor Assembly
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | TAN | 63 | Medium 1 Blower Motor Control |
| B | YEL | 60 | Low Blower Motor Control |
| C | PPL | 73 | Medium 3 Blower Motor Control |
| D | LT BLU | 72 | Medium 2 Blower Motor Control |
| E | BLK | 2250 | Ground |
| F | ORN | 52 | High Blower Motor Control |
| G | RED | 542 | Battery Positive Voltage |
Blower Motor Switch - Front Auxiliary (Body Type VIN 6)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | YEL | 2277 | Auxiliary HVAC Enable Control |
| B | GRY | 2598 | Low Reference |
| C | BRN/WHT | 230 | Instrument Panel Lamps Dimming Control |
Console Mode Actuator (Body Type VIN 6)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | GRY | 2598 | Low Reference |
| 2 | LT BLU | 5433 | Console Mode Door Position Signal |
| 3 | GRY | 598 | 5 Volt Reference |
| 4 | GRY | 2599 | Auxiliary Mode Door Control |
| 5 | LT GRN | 5434 | Console Mode Door Control |
Coolant Bypass Valve (Body Type VIN 6)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | GRY/BLK | 1596 | Coolant Bypass Solenoid Control |
| B | BLK | 250 | Ground |
Defrost Actuator
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 5 | BRN | 341 | Ignition 3 Voltage |
| 6 | TAN/BLK | 2274 | Defrost Door Control |
| 7 | YEL | 1791 | Low Reference |
| 8 | - | - | Not Used |
| 9 | LT GRN /BLK | 2276 | Defrost Door Position Signal |
| 10 | LT BLU/BLK | 1688 | 5 Volt Reference |
HVAC Control Module C1
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A1 | DK GRN | 1614 | Recirculation Door Control |
| A2 | DK BLU | 1646 | Right Air Temperature Door Position Signal |
| A3 | LT BLU | 733 | Left Air Temperature Door Position Signal |
| A4 | LT GRN/BLK | 2276 | Defrost Door Position Signal |
| A5 | LT GRN | 2275 | Mode Door Position Signal |
| A6 | - | - | Not Used |
| A7 | BRN/WHT | 230 | Instrument Panel Lamps Dimming Control |
| A8 | BLK/WHT | 751 | Ground |
| A9 | GRY/BLK | 1596 | Coolant Bypass Solenoid Control (Body Type VIN 6) |
| A10 | YEL | 2277 | Auxiliary HVAC Enable Control |
| A11 | DK GRN | 71 | OFF Blower Motor Control |
| A12 | DK BLU | 204 | A/C Low Pressure Sensor Signal |
| B1 | WHT/BLK | 1236 | Right Air Temperature Door Control |
| B2 | DK BLU | 1199 | Left Air Temperature Door Control |
| B3 | TAN/BLK | 2274 | Defrost Door Control |
| B4 | TAN | 2273 | Mode Door Control |
| B5 | BRN | 341 | Ignition 3 Voltage |
| B6 | YEL | 1791 | Low Reference |
| B7 | ORN | 4340 | Battery Positive Voltage |
| B8 | LT BLU/BLK | 1688 | 5 Volt Reference |
| B9 | BLK | 2250 | Ground |
| B10 | - | - | Not Used |
| B11 | WHT | 1038 | HVAC Class 2 Serial Data |
| B12 | LT GRN | 2278 | A/C Compressor Status Signal |
HVAC Control Module C2
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | PPL | 73 | Medium 3 Blower Motor Control |
| B | LT BLU | 72 | Medium 2 Blower Motor Control |
| C | TAN | 63 | Medium 1 Blower Motor Control |
| D | YEL | 60 | Low Blower Motor Control |
| E | - | - | Not Used |
| F | ORN | 52 | High Blower Motor Control |
| G | BRN | 141 | Ignition 3 Voltage |
| H | DK GRN | 71 | OFF Blower Motor Control |
HVAC Control Module - Auxiliary (Body Type VIN 3)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | BRN | 341 | Ignition 3 Voltage |
| 2-3 | - | - | Not Used |
| 4 | YEL | 2277 | Auxiliary HVAC Enable Control |
| 5 | - | - | Not Used |
| 6 | WHT | 119 | Auxiliary Mode Door Control |
| 7 | BLK | 2250 | Ground |
| 8 | BRN/WHT | 230 | Instrument Panel Lamps Dimming Control |
HVAC Control Module - Auxiliary (Body Type VIN 6)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A1 | BRN/WHT | 230 | Instrument Panel Lamps Dimming Control |
| A2 | ORN | 4340 | Battery Positive Voltage |
| A3 | GRY | 2603 | TXV Solenoid Control |
| A4 | GRY | 2599 | Auxiliary Mode Door Control |
| A5 | RED | 2600 | Auxiliary Actuator Door Control |
| A6 | YEL | 2277 | Auxiliary HVAC Enable Control |
| A7 | DK BLU | 1199 | Auxiliary Air Temperature Door Position Signal |
| A8 | LT BLU | 5433 | Console Mode Door Position Signal |
| A9 | GRY | 598 | 5 Volt Reference |
| A10 | - | - | Not Used |
| A11 | GRY | 2289 | Rear HVAC/Audio Class 2 Serial Data |
| A12 | - | - | Not Used |
| B1 | BLK | 2250 | Ground |
| B2 | GRY | 2598 | Low Reference |
| B3 | YEL | 2214 | Auxiliary Air Temperature Door Control |
| B4 | LT GRN | 5434 | Console Mode Door Control |
| B5 | BRN/WHT | 2601 | Auxiliary Mode Door Position Signal |
| B6-B11 | - | - | Not Used |
| B12 | GRY | 2604 | Auxiliary Blower Motor Speed Control |
Mode Actuator
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 5 | BRN | 341 | Ignition 3 Voltage |
| 6 | TAN | 2273 | Mode Door Control |
| 7 | YEL | 1791 | Low Reference |
| 8 | - | - | Not Used |
| 9 | LT GRN | 2275 | Mode Door Position Signal |
| 10 | LT BLU/BLK | 1688 | 5 Volt Reference |
Mode Actuator - Auxiliary (Body Type VIN 3)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | BRN | 341 | Ignition 3 Voltage |
| 2 | WHT | 119 | Auxiliary Mode Door Control |
| 3 | BLK | 2250 | Ground |
| 4-5 | - | - | Not Used |
Mode Actuator - Auxiliary (Body Type VIN 6)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | GRY | 2598 | Low Reference |
| 2 | BRN/WHT | 2601 | Auxiliary Mode Door Position Signal |
| 3 | GRY/BLK | 598 | 5 Volt Reference |
| 4 | RED | 2600 | Auxiliary Actuator Door Control |
| 5 | GRY/WHT | 2599 | Auxiliary Mode Door Control |
Recirculation Actuator
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 5 | BRN | 341 | Ignition 3 Voltage |
| 6 | DK GRN | 1614 | Recirculation Door Control |
| 7 | BLK | 2250 | Ground |
| 8-10 | - | - | Not Used |