trim down selenoid

[steplift20]

ok got the steering fixed got the boat home went to trim down the engine and the selenoid went
i bought a knew one should be an easy job but the bolts that hold the selenoid are in back so you cant get to then
its a 1988 150 mercury outboard how do you get the selenoid out im looking for help fishing is just around the corner
something that should be easy has me scratching my head