These are the Official Honda Odyssey FL250 GOKI Electric Starter Installation Diagrams.

FL250 GOKI Starter - Assembly DrawingFL250 GOKI Starter - Assembly Drawing
FL250 GOKI Starter - Assembly Drawing
FL250 GOKI Starter - Wiring DiagramFL250 GOKI Starter - Wiring Diagram
FL250 GOKI Starter - Wiring Diagram