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.
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HOMESERVICE MANUALSCHEVROLET2006CAB & CHASSIS SILVERADO 2D PICKUP, 8.1 G, 4WD, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSWIRING DIAGRAMSOEM CONNECTOR END VIEWSENGINE CONTROLS CONNECTOR END VIEWS (6.6L)INTAKE AIR HEATER (IAH) MODULE CONNECTOR END VIEW
2006 Chevrolet Cab & Chassis Silverado 2D Pickup, 8.1 G, 4WD, Automatic
Intake Air Heater (IAH) Module Connector End View
2006 Chevrolet Cab & Chassis Silverado 2D Pickup, 8.1 G, 4WD, AutomaticSECTION Intake Air Heater (IAH) Module Connector End View
Intake Air Heater (IAH) Module
Connector Part Information
Terminal Parts Information
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|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | BK | IC180 | IAH Temperature Signal |
| 2 | OG | IC181 | IAH Command 1 |
| 3 | YE | IC182 | IAH Command 2 |
| 4 | PK | IC183 | IAH Current Status |
| 5 | TN | IC184 | IAH Voltage Signal |
| 6 | RD | IC185 | IAH Feedback Signal |
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.