i need a wiring diagram for a 1977 85hp merc tilt and trim

[t0mays]

need wiring diagram

 

[merc850]

Here you go

 

[wrench 3]

Also try http://boatinfo.no/lib/mercury/manuals/mercury_1965-1989_40-115.html#/532 the wiring diagrams for tilt trim start on page 533.