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)ELECTRICALBODY ELECTRICALOEM CONNECTOR END VIEWSENGINE CONTROLS CONNECTOR END VIEWS (8.1L)THROTTLE ACTUATOR CONTROL (TAC) MODULE CONNECTOR END VIEW - C1
2006 Chevrolet Cab & Chassis Silverado 2D Pickup, 8.1 G, 4WD, Automatic
Throttle Actuator Control (TAC) Module Connector End View - C1
2006 Chevrolet Cab & Chassis Silverado 2D Pickup, 8.1 G, 4WD, AutomaticSECTION Throttle Actuator Control (TAC) Module Connector End View - C1
Throttle Actuator Control (TAC) Module - C1
Connector Part Information
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| Pin | Wire Color | Circuit No. | Function |
| 1 | D-GN | 485 | TP Sensor 1 Signal |
| 2 | GY | 416 | 5-Volt Reference |
| 3 | BK | 452 | Low Reference |
| 4 | D-BU | 84 | Cruise Control Set/Coast Switch Signal |
| 5 | GY/BK | 87 | Cruise Control Resume/Accel Switch Signal |
| 6 | L-BU | 1320 | CHMSL Supply Voltage |
| 7 | PK | 1339 | Ignition 1 Voltage |
| 8 | BN | 582 | TAC Motor Control - 2 |
| 9 | L-BU/BK | 1688 | 5-Volt Reference |
| 10 | BK/WH | 1704 | Low Reference |
| 11 | PU | 486 | TP Sensor 2 Signal |
| 12 | OG/BK | 1061 | UART Serial Data |
| 13 | D-BU/WH | 774 | UART Serial Data |
| 14 | GY | 397 | Cruise Control On Switch Signal |
| 15 | BK/WH | 550 | Ground |
| 16 | YE | 581 | TAC Motor Control - 1 |
RENDER: 1.0x
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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.