Question about 2003 Harley Davidson FLHTCUI Electra Glide Ultra Classic
When Bike is running, No rear lights on tail light or the module the light unit on the Tour Pack or the add on wing light. When I put either signal on all flash. They all come on when the breaks are applied.
Hi, Anthony I own the exact same bike in the gun metal blue Anniversary Edition, before diagnosing any turn signal/running light/parking light issue make sure the bulb is good and the light fuse has continuity with a test light. If you have replaced you OEM lights with LED lights you are going to need a load equalizer. If no turn signals work the cause could be a faulty turn signal module or the connector going to it, look for corroded, loose, or broken pins/sockets. Contact spray cleaner is great for removing corrosion. If your speedometer does not function properly it will have to be fixed first because your turn signal module gets the data from the speedometer for normal turn signal function. If your front turn signals don't work use a test light to check for power and ground at the bulb socket, then start backtracking the wiring through every wire connector to the turn signal switch/button and check for continuity, go all the way back to the fuse if necessary to find the cause of the malfunction. If your rear turn signals don't work check your rear fender wiring harness connector first for corroded, broken, loose pins/sockets, power, and a good ground, (the harness connector is usually located under the seat on the front of the rear fender) then keep tracing the wiring look for obvious harness damage caused by the rear tire. If you still can't find the malfunction backtrack from the rear fender wiring harness connector. If one side does not work you could have a faulty turn signal switch or module check for continuity.
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Headlights and Running lights not working
Harley Davidson Touring Workshop Service Repair Manual 2003 $10 very cheap also comes with an electrical diagnostic manual
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Posted on Apr 22, 2017
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Posted on Jan 02, 2017
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