Honda BF15D BF20D Outboard Motors Shop Manual., Page 388Get this manual
2POWER TILT RELAY aREMOVAL
1) Remove the following:engine cover (P5-1 of the base shop manual)2) Open the wire band and free the wires[WIRE CLIP (2)
3) Remove the wires from the wire clip on the connector holderPull the connector holder from the starter case I3 with the mounting rubbers attached4) Disconnect the power tilt relay 2P and 1P connectors