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 MANUALSCHEVROLET2006SUBURBAN C1500, 5.3 ZREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 679 (ENGINE CONTROLS - 8.1L - INTRODUCTION (2 OF 2))COMPONENT LOCATORENGINE CONTROLS CONNECTORSTHROTTLE BODY
2006 Chevrolet Suburban C1500, 5.3 Z
Throttle Body
2006 Chevrolet Suburban C1500, 5.3 ZSECTION Throttle Body
WARNING: This page is about a different car, the 2006 GMC Sierra, 2006 GMC Cab & Chassis Sierra, 2006 Chevrolet Silverado, and 2006 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Throttle Body
Connector Part Information
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| Pin | Wire Color | Circuit No. | Function |
| A | YE | 581 | TAC Motor Control - 1 |
| B | BK/WH | 1704 | Low Reference |
| C | BN | 582 | TAC Motor Control - 2 |
| D | BK | 452 | Low Reference |
| E | L-BU/BK | 1688 | 5-Volt Reference |
| F | PU | 486 | TP Sensor 2 Signal |
| G | D-GN | 485 | TP Sensor 1 Signal |
| H | GY | 416 | 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.