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Discussion Starter #1
Hello guys. Just joined in hopes to get some help for my 83 year old dad. Still cruising but NOT computer savvy. He has recently purchased a 2012 Vulcan 900 with a trike kit installed. It's the newest bike he's ever owned with a long history of Harleys, Goldwings, etc... He went to start the bike a few days ago when the weather was decent. Battery seemed week so he hooked up a charger. Bike cranked right up but had fuel injection light on and seemed to skip which had never been the case before... Bike has been perfect since he purchased. In his way of thinking, he figured battery was still not putting out enough voltage and he reattached charger while it was idling. Bike instantly shut down and does nothing now... (yes nothing) All accesable fuses are ok, After reading here a bit, we figure he may have fried the main 3 plug relay/ecu box near the battery right side ??? He loves this bike but it's very different to what he's used to so we are at a loss. The mechanic he's always used recently moved to FL so did not want to go to a new place flying blind. Any help very much appreciated!
 

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Discussion Starter #2
Would also ad many of the ECU's I see listed for sale have only 2 plugs on the top side. This one has 3. There seems to be conflicting information about what years will interchange. THANKS again for any help!
 

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Hello,
The ECU has two large plugs (with about 20 wires each). That is in front of the battery box.
The RELAY box has 3 small grayish plugs. That is on the right side of the frame near the battery box.
There is a main 30 amp fuse in that same area, by the starter relay.
You need to take off the colored bodywork to get to it.
That is the first thing to check for a totally dead bike.

After that, you can begin working through the problem.

Here is the wiring diagram for the bike.
 
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