2007-2009 Yamaha F15/F20 Outboard Service Manual, Page 242Get this manual
Electrical component and wiring harness routing F Positive battery cable connector (R) Starter relay connector (Br) Oil pressure switch connector (P) Rectifier Regulator connector (R) Lead (10-pin main harness coupler to starter relay) (Br) (remote control model) or neutral switch lead (Br) (tiller handle model) Fuse lead (R) Rectifier Regulator lead (B) Oil pressure switch lead (P) Rectifier Regulator connector (R)