Not a stupid question. Look behind the helm. If it has hoses it's hydraulic. If you see a cable it's mechanical. If you have the belt driven pump it's power assisted.
Check the hull to deck joint behind the rub rail. My new Baha leaked into the cuddy after I sealed the winshield and it was that joint. Took a year to find it.
Harbor Freight does not sell anything that is made in the USA. Why would you possibly buy something there? Dutton are made int the US, simple decision.
Starbrite mildew stain remover. Then wash the canvas to get rid of the odor.
The bleach method lightens the fabric a little but its cheaper.
http://www.sunbrella.com/pdf/cleaning-s ... covers.pdf