How to reach crank position sensor for replacement? Located on top of bellhousin

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Located on top of bellhousing, cannot see it from the bottom of vehicle, and catalytic converter is in the way of my hands to feel around. Can see it through the wheel well, i think. But dont have a long enough ratchet to reach it. Searched multiple websites and found no other details besides the fact that its on top of the bellhousing. Any ideas on what might need to be taken apart to access it?