If you need wiring diagrams for older bikes , Harley's and other model bikes also (1965- 1993) where a service manual may not be available, try here

http://www.smokeriders.com/diagrams/...Davidson/Twins


ALSO ... 1965- 2001 Harley Diagrams here http://www.harleyhog.co.uk/wiringvarious.htm

ALSO...Sportster diagrams 1966-2003 HERE ... also click on link in lower right of screen for more.


Or for a basic diagram (very basic)