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.
2005 Pontiac GTO AutomaticFACTORY OEM SERVICE PROCEDURE
Throttle Actuator Control (TAC) Module Connector End Views
Throttle Actuator Control Module
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit Number | Function |
| A | BN | 582 | Throttle Motor Ground |
| B | YE | 581 | Throttle Motor Voltage |
| C | BN/WH | 1704 | Low Reference Signal |
| D | GN | 485 | Throttle Position Sensor Signal |
| E | L-BU/BK | 1688 | 5-Volt Reference |
| F | PU | 486 | Throttle Position Sensor Signal |
Factory Service Tools
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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.
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