In your 2002 Grand Prix GTP, the AC and cooling fans typically share the same wiring and are controlled by the engine control module (ECM) based on temperature readings from the coolant temperature sensor. If both fans have stopped working, it could indicate an issue with the fan relay, a blown fuse, or a problem with the ECM or sensors. It’s advisable to check the fuses and relays first before further diagnosing potential wiring or sensor issues.
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