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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 MANUALSOLDSMOBILE2004BRAVADA RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 101 (HVAC SYSTEMS - AUTOMATIC)COMPONENT LOCATORHVAC CONNECTOR END VIEWS
2004 Oldsmobile Bravada RWD
HVAC Connector End Views
2004 Oldsmobile Bravada RWDSECTION 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 |
Air Temperature Sensor - Lower Left
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BRN | 718 | Low Reference |
| B | WHT/BLK | 2339 | Lower Left Air Temperature Sensor Signal |
Air Temperature Sensor - Lower Right
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BRN | 718 | Low Reference |
| B | GRY/BLK | 2337 | Lower Right Air Temperature Sensor Signal |
Air Temperature Sensor - Upper Left
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BRN | 718 | Low Reference |
| B | WHT | 2338 | Upper Left Air Temperature Sensor Signal |
Air Temperature Sensor - Upper Right
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BRN | 718 | Low Reference |
| B | GRY | 2336 | Upper Right Air Temperature Sensor Signal |
Air Temperature Sensor Assembly - Inside
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | DK GRN | 734 | Inside Air Temperature Sensor Signal |
| B | WHT/BLK | 1236 | Inside Air Temperature Sensor Assembly Control |
| C | BLK | 1350 | Ground |
| D | BRN | 718 | Low Reference |
Ambient Air Temperature Sensor
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | LT GRN/ BLK |
735 | Ambient Air Temperature Sensor Signal |
| B | BRN | 718 | Low Reference |
Ambient Light/Sunload Sensor Assembly
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | LT BLU/ BLK |
2519 | Left Sunload Sensor Signal |
| B | GRY | 2521 | Right Sunload Sensor Signal |
| C | BLK | 279 | Ambient Light Sensor Low Reference |
| D | WHT | 278 | Ambient Light Sensor Signal |
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 3)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | DK GRN | 2347 | Auxiliary Blower Motor High Speed Control |
| B | DK BLU | 2348 | Auxiliary Blower Motor Medium Speed Control |
| C | BLK | 2250 | Ground |
| D | - | - | Not Used |
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 Module
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | RED | 542 | Battery Positive Voltage |
| B | PPL/WHT | 760 | Blower Motor Speed Control |
| C | BLK | 2250 | 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 Switch - Front Auxiliary
| 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 | Not Used |
| A11 | - | - | Not Used |
| 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 |
| B8 | - | - | Not Used |
| B9 | BLK | 2250 | Ground |
| B11 | WHT | 1038 | 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 | DK GRN | 734 | Inside Air Temperature Sensor Signal |
| B | LT GRN/ BLK |
735 | Ambient Air Temperature Sensor Signal |
| C | WHT | 2338 | Upper Left Air Temperature Sensor Signal |
| D | GRY | 2336 | Upper Right Air Temperature Sensor Signal |
| E | WHT/BLK | 2339 | Lower Left Air Temperature Sensor Signal |
| F | GRY/BLK | 2337 | Lower Right Air Temperature Sensor Signal |
| G | PPL | 1838 | Recirculation Door Position Signal |
| H-J | - | - | Not Used |
| K | BRN | 718 | Low Reference |
| L | WHT/BLK | 1236 | Inside Air Temperature Sensor Control |
| M | PPL/WHT | 760 | Blower Motor Speed Control |
HVAC Control Module - Auxiliary (Body Type VIN 3)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A1 | ORN | 4340 | Battery Positive Voltage |
| A2 | GRY | 2289 | Rear HVAC/Audio Class 2 Serial Data |
| A3 | - | - | Not Used |
| A4 | BLK | 2250 | Ground |
| A5 | BRN/WHT | 230 | Instrument Panel Lamps Dimming Control |
| A6 | WHT | 119 | Auxiliary Mode Door Control |
| A7 | DK GRN | 2347 | Auxiliary Blower Motor High Speed Control |
| A8 | DK BLU | 2348 | Auxiliary Blower Motor Medium Speed Control |
| B1 | BRN | 199 | Left Rear Speaker Output (+) |
| B2 | DK BLU | 46 | Right Rear Speaker Output (+) |
| B3 | BRN | 599 | Left Rear Low Level Audio Signal |
| B4 | DK BLU | 546 | Right Rear Low Level Audio Signal |
| B5 | YEL | 116 | Left Rear Speaker Output (-) |
| B6 | LT BLU | 115 | Right Rear Speaker Output (-) |
| B7 | BRN | 1999 | Left Rear Low Level Audio Signal |
| B8 | BLK | 1946 | Right Rear Low Level Audio Signal |
HVAC Control Module- Auxiliary (Body Type VIN 6)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A1 | 1999 | ||
| A2 | TAN | 1946 | Right Rear Low Level Audio Signal (-) |
| A3 | YEL | 116 | Left Rear Speaker Output (-) |
| A4 | LT BLU | 115 | Right Rear Speaker Output (-) |
| A5 | BRN | 199 | Left Rear Speaker Output (+) |
| A6 | DK BLU | 46 | Right Rear Speaker Output (+) |
| A7 | BRN | 599 | Left Rear Low Level Audio Signal (+) |
| A8 | DK BLU | 546 | Right Rear Low Level Audio Signal (+) |
| A9 | - | - | Not Used |
| A10 | LT BLU | 5433 | Console Mode Door Position Signal |
| A11 | GRY | 2599 | Auxiliary Mode Door Control |
| A12 | YEL | 2214 | Auxiliary Air Temperature Door Control |
| A13 | GRY | 598 | 5 Volt Reference |
| A14 | GRY | 2603 | TXV Solenoid Control |
| A15 | - | - | Not Used |
| A16 | ORN | 4340 | Battery Positive Voltage |
| B1 | BRN/WHT | 230 | Instrument Panel Lamps Dimming Control |
| B2 | GRY | 2289 | Rear HVAC/Audio Class 2 Serial Data |
| B3 | - | - | Not Used |
| B4 | GRY | 2604 | Auxiliary Blower Motor Speed Control |
| B5-B9 | - | - | Not Used |
| B10 | BRN/WHT | 2601 | Auxiliary Mode Door Position Signal |
| B11 | YEL | 2277 | Auxiliary HVAC Enable Control |
| B12 | DK BLU | 1199 | Auxiliary Air Temperature Door Position Signal |
| B13 | LT GRN | 5434 | Console Mode Door Control |
| B14 | RED | 2600 | Auxiliary Actuator Door Control |
| B15 | GRY | 2598 | Low Reference |
| B16 | BLK | 2250 | Ground |
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 | 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 | YEL | 1791 | Low Reference |
| 8 | - | - | Not Used |
| 9 | PPL | 1838 | Recirculation Door Position Signal |
| 10 | LT BLU/ BLK |
1688 | 5 Volt Reference |
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:
- • 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.