Softail Harley Ignition Switch Wiring Diagram May 04, 2022Softail Harley Ignition Switch Wiring Diagram. 1989 harley softail custom ignition switch wiring diagram from tse2. If neither side displays 12 volts, there is a problem with the ignition switch or the wiring between the fuse and ignition switch. '92 softail. Why don't turn signals work? - Fixya 92 custom softail wiring diagram Google Search. Read full answer. Apr 10, 2015 • Power Motorcycles. The blinkers should work independently of the headlight unless you have a blown fuse. Check the voltage at the plug on the back of the headlight. Read full answer. May 19, 2014 • 2006 Suzuki DL 650 V-Strom.