I've done what you did and cleaned, re-lubed everything. I also added a relay system into the circuit so when in use the hatch lift gets 100% battery power instead of running through the switch and then back again.
I tried to inser the image, but the system will not let me. Read through this...
Just dropping in to say hello from Michigan. We will be looking at getting our 1st Sea Ray this year and look forward to many years of cruising after a few years of going fast.