1985 Mercury Outboard V-300 V-3.4L Shop Service Manual, Page 255Get this manual
COMMANDER SERIES SIDE MOUNT REMOTE CONTROL Remote Control Disassembly
REMOVING CONTROL HOUSING from MOUNTING PANEL
AWARNING
Before working around remote control or around engine, remove remote control wiring harness from engine and disconnect high tension leads from spark plugs
L Turn ignition ke 10Offposition and remove key from swit chDisconnect remote conlrol wiring harness from engine and tri pumpDisconnect igh te nsion leads from spark plugs
3Di sCOlinect tac hometer wiring harness from receptacle in Ihe fo ward sid of control housing4He move (and re tain) locknut s, nat wa sh ers and scre ws whic secure con trol housing to mo unting pa nel
2Place cont rol ha ndle into neutral dete nt posit ion