Honda Outboards BF40A/BF50A Service Manual, Page 304Get this manual
BF40A-BF50A Power TrimITiit Type:
[2] POWER TRIMITILT RELAY GROUND TERMINAL
Install the ground terminal to the engine as shown[1] PURSE LOCK CLIP
Clamp the wires (power trimtilt switch wire, power trimtilt relay wires, and trim angle sensor wire)
[3] POWER TRIMITILT SWITCH
[4] WIRE HARNESS CLIP
Clamp the power trimtilt switch wire with the open end facing up[9] WIRE HARNESS CLIP
Clamp the wires (power trimtilt switch wire, power trimtilt relay wires, and trim angle sensor wire) with the open end facing up as shown[14] 14 mm TUBE CLIP