1998-2006 Yamaha F20/F25 Outboards Service Manual, Page 419Get this manual
I I0 I ELEC
POWER TRIM AND TILT (PTT) CONTROL SYSTEM CD
Refer to "STARTING SYSTEM"
BATTERY
Refer to "GENERAL" in chapter 3
TRAILER SWITCH
1Check: Continuity No continuity
Switch position Up Free Down
ReplaceLead color Sky blue Red Light green
PTT RELAY
1Check: Continuity Out of specification