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If the fan in your 2017 Ford Fusion isn't working, the first step is to inspect the fuses to ensure they are intact. Replace any damaged fuses. Next, check the wire harness connected to the fan, making sure it is securely connected with no loose wires or debris. If these are fine and the fan still isn't working, the issue likely lies with the fan motor, necessitating its replacement for proper functionality.
I can help with that. First, inspect fuse number 35. Next, examine the relay at position 52, which is located in the upper right corner. Try switching it with a different relay, but avoid the one designated for the pcm, which is relay 57 on the bottom row in the middle.