Here's the needed part [https://www.thebookyard.com/product.php?products_id=4462|MacBook Pro Airport Board (08/09), Apple P/N 661-4766] and follow this guide to get to the WiFi AirPort board which is located in the clutch case (jump to Step 30 in the guide).
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Here's the needed part [link|https://www.thebookyard.com/product.php?products_id=4462|MacBook Pro Airport Board (08/09), Apple P/N 661-4766] and follow this guide [https://www.ifixit.com/Guide/MacBook+Pro+15-Inch+Unibody+2.53+GHz+Mid+2009+LCD+Replacement/3578] to get to the WiFi AirPort board which is located in the clutch case (jump to Step 30 in the guide).
Here's the needed part [https://www.thebookyard.com/product.php?products_id=4462|MacBook Pro Airport Board (08/09), Apple P/N 661-4766] and follow this guide to get to the WiFi AirPort board which is located in the clutch case (jump to Step 30 in the guide).