2018 HARLEY SOFTAIL ELECTRICAL DIAGNOSTIC MANUAL. Full of information and illustrations, step by step Instructions, exploded illustrations and/or diagrams, great manual to have when you own a HARLEY DAVIDSON SOFTAIL MODELS. This manual is published by HARLEY DAVIDSON , & same manuals the HARLEY DAVIDSON Mechanics/Technicians use. If you have further questions feel free to message us. Please do not forget to give us POSITIVE. Feedback, We will do our best to solve any problems for you as soon as possible. We will provide you with the BEST POSSIBLE service because the POSITIVE F. Eedback and FIVE STARS. Are what we are striving for. Thank you very much! Track Page Views With. Auctiva’s FREE Counter.