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Q: Where Is the Cooling Fan Switch Typically Located?

A: The cooling fan switch is usually mounted on the radiator assembly.

cooling fan switch usually mounted on the radiator assembly
The cooling fan switch is usually mounted on the radiator assembly.

In some third-generation Ford F-body models, the cooling fan switch is on the engine block near the starter or on the passenger side head between the #6 and #8 spark plugs.

Normally, the cooling fan switch has two wires. The fan switches on to cool the radiator down, and you’ll normally hear this switching sound as you drive.

If the cooling fan switch fails, the most common symptoms your vehicle might exhibit include intermittent fan operation, an illuminated check engine light, and an overheating engine.

Tips on How to Access the Cooling Fan Switch

In most cases, the cooling fan switch has a wiring harness that should be fairly easy to spot and remove from its slot.

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But before you remove the switch, it’s important to drain coolant from the radiator, which you can do by removing its drain plug.

Once you’ve removed the switch, you can proceed to test it for continuity with a digital multimeter.

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CarParts Research Team
Written By Research Team

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The Research Team is composed of experienced automotive and tech writers working with (ASE)-certified automobile technicians and automotive journalists to bring up-to-date, helpful information to car owners in the US. Guided by's thorough editorial process, our team strives to produce guides and resources DIYers and casual car owners can trust.

Any information provided on this Website is for informational purposes only and is not intended to replace consultation with a professional mechanic. The accuracy and timeliness of the information may change from the time of publication.

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