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.
HVAC Control Processor - Auxiliary
2001 Chevrolet Suburban C1500SECTION HVAC Control Processor - Auxiliary
HVAC Control Processor - Auxiliary
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | LT BLU | 733 | Air Temperature Door Position Signal |
| B | WHT/BLK | 1236 | Air Temperature Door Control - Auxiliary |
| C | DK BLU | 1646 | Air Temperature Door Position Signal - Auxiliary |
| D | LT BLU | 2823 | Mode Signal - Auxiliary Rear |
| E | LT BLU | 2822 | Mode Signal - Auxiliary Front |
| F | WHT | 454 | Mode Door Control - Auxiliary |
| G | - | - | Not Used |
| H | BLK | 1450 | Ground |
| J | BRN | 541 | Ignition 3 Voltage |
| K | - | - | Not Used |
| L | GRY | 778 | Blower Motor Control - Auxiliary |
| M | ORN | 1923 | Rear Auxiliary Enable Control |
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.