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.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSCHEVROLET2001CHEVY EXPRESS G2500, VAN PASSENGER EXTENDED, 5.0 MREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 703 (ENGINE CONTROLS (INTRODUCTION) -- 5.7L)COMPONENT LOCATORTHROTTLE ACTUATOR CONTROL (TAC) MODULE CONNECTOR END VIEWS
2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 M
Throttle Actuator Control (TAC) Module Connector End Views
2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 MSECTION Throttle Actuator Control (TAC) Module Connector End Views
WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
Throttle Actuator Control Terminal Identification (TAC) Module C1
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | GRY | 1273 | Low Reference |
| B | PPL | 1272 | Low Reference |
| C | LT BLU | 1162 | APP Sensor 2 Signal |
| D | TAN | 1274 | 5-Volt Reference |
| E | YEL/BLK | 1275 | 5-Volt Reference |
| F | DK BLU | 1161 | APP Sensor 1 Signal |
| G | LT BLU | 1276 | 5-Volt Reference |
| H | - | - | Not Used |
| J | BRN | 1271 | Low Reference |
| K | DK GRN | 1163 | APP Sensor 3 Signal |
Throttle Actuator Control Terminal Identification (TAC) Module C2
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | DK BLU | 417 | TP Sensor 1 Signal |
| 2 | DK GRN | 485 | 5-Volt Reference |
| 3 | PPL | 486 | Low Reference |
| 4 | DK BLU | 84 | Cruise Control Set/Coast Switch Signal |
| 5 | GRY/BLK | 87 | Cruise Control Resume/Accel Switch Signal |
| 6 | LT BLU | 20 | Stop Lamp Supply Voltage |
| 7 | PNK | 539 | Ignition 1 Voltage |
| 8 | BRN | 582 | TAC Motor Control - 2 |
| 9 | YEL/BLK | 487 | 5-Volt Reference |
| 10 | WHT | 484 | Low Reference |
| 11 | PNK | 427 | TP Sensor 2 Signal |
| 12 | TAN | 800 | UART Serial Data Primary |
| 13 | ORN/BLK | 1061 | UART Serial Data Secondary |
| 14 | GRY | 397 | Cruise Control On Signal |
| 15 | BLK/WHT | 451 | Ground |
| 16 | YEL | 581 | TAC Motor Control - 1 |
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.