2007-2009 Yamaha F15/F20 Outboard Service Manual, Page 230Get this manual
Power tilt cylinder (power tilt model)Power tilt electrical system (power tilt model) 2Connect the positive battery lead to the light green (Lg) lead 6, and the negative battery lead to the terminal (B) as shown, and then check the power tilt relay for continuityReplace the power tilt relay if out of specification 1 2
NOTE: For the location of the fuse, see "Electrical component and wiring harness routing" (8-1)B L
Checking the power tilt relay
S6AG7870