i have a powerlift jackplate on my boat looking for the motor to lift it up and down.no serial # can be found.all i need is motor and electrical hookups--lines already there .i have a 2.4 litre mercury on it(200 hp).can anyone help .it looks like the motor bolts to the side of the jackplate(left one).i just need to know where to get a good used one or whats the best thing to do.