1999 "EE" 90, 115 FFI, 150, 175 V4, V6 FFI Outboards Service Manual, P/N 787024, Page 15Get this manual
Battery CableEngine Connection-
Route and attach battery cables to starter solenoid and ground screwRelease upper air silencer cord and route cables behind itInstall starwasher, battery cable, then nut or screwTighten nut and screw securely
Battery Isolator Connection
Remove cover
Remove screw and starwasher retaining regulator lead ring terminalRoute 10 A.W.Gwire behind battery cablesInstall screw through ring terminals and tighten securely
MWS Instrument Cable Connection
, and water pressure gauge hose