2008 hd road king classic headlights wont work replaced fuse and headlight but wont work

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Hi Anonymous, you need to get out your test light and find the short and start by making sure the battery has 12 volts or more and clean tight connections especially the ground cable at both ends. If your issues involves lights always check the bulbs for broken filiments and fuses first. Then start at the socket and work your way towards the handlebar switches checking each wiring harness connector for corroded, broken or loose pins and remember dielectric grease is your friend. Check the switches for continuity and work your way towards the ignition switch and check it for continuity. Keep working your way to the fuses and circuit breaker and finally the battery. For a free wiring diagram please visit the website below. Good luck and have nice day.Harley Davidson Wiring Diagrams and Schematics
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