Be aware the first part of the manual has Supplements for multiple years, where changes in the bike were described, and updates on service methods are listed. Be sure to look at the back of the manual where there are descriptions of electrical diagrams, cable/hose routings, torque values, fasteners size, and more.
1990-2003 USA wire diagram. This probably should be the same for 2004-2007, unless Sean or someone knows of any differences.
Note you need to splice these and there is some 'overlap.'