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Where is the fan switch located on a 89 Chevy Cavalier Z-24 2.8L?

The fan switch location on a 1989 Chevy Cavalier Z-24 2.8L is not a single switch like in some vehicles. Instead, the cooling fan is controlled electronically by the PCM (Powertrain Control Module) based on several inputs, including the coolant temperature sensor. There's no readily accessible "fan switch" you can flip to manually turn the fan on or off.

The fan itself is usually located in front of the radiator. If you're having cooling issues, problems are likely with the:

* Coolant temperature sensor: A faulty sensor can give the PCM incorrect information, preventing the fan from turning on when needed.

* PCM: A malfunctioning PCM could also prevent the fan from engaging.

* Fan relay: The relay acts as a switch between the PCM and the fan motor.

* Fan motor itself: The motor could be failing.

* Wiring: Damaged wiring can interrupt the circuit.

To troubleshoot a non-functioning fan, you'll need a multimeter and likely a wiring diagram to check these components. A mechanic would be best equipped to diagnose and repair this type of problem.

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