05 electrical issues

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Old Jun 23, 2023 | 08:48 AM
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Lightbulb 05 electrical issues...engine cranks but doesn't fire

Any advice would be greatly appreciated!

I rode my motorcycle last week and everything ran perfectly. I went to ride it the next day and noticed no headlights, taillight, or blinkers (to be fair, I'm not sure if these stopped working during my ride the previous day as it was still daylight at the time). The horn still works along with the dash gauges, fuel pump DOES prime, and the bike cranks over in the usual manner but doesn't fire (killswitch is in run position). I've checked the fuses in the fuse box on the left side of the bike, and the starter relay fuse under the seat, all were normal. Just wondering where my search should go from here?

Thank you very much in advance!
 

Last edited by jstra110; Jun 23, 2023 at 09:14 AM. Reason: title needed further info
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Old Jun 23, 2023 | 05:18 PM
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Did you check the fuses electrically, or just by looking at them? Most likely this is a fuse issue as you suspected.

 
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Old Jun 23, 2023 | 10:34 PM
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Can you provide some history on the bike? Any recent work or modifications to the bike?
 
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Old Jun 24, 2023 | 07:16 PM
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Originally Posted by rockpool
Did you check the fuses electrically, or just by looking at them? Most likely this is a fuse issue as you suspected.
Yes! I'd be trillionaire if I had penny for every time I heard, "Fuse looks OK!". But actually didn't conduct electricity at all!



Although, headlights, taillight, and blinkers are all on different fuses. Seems unlikely that you blew 3 fuses simultaneously... very odd. Should measure them all anyway.
 

Last edited by dannoxyz; Jun 24, 2023 at 07:24 PM.
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Old Jun 26, 2023 | 09:53 AM
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I just pulled them and visually inspected them to see if they were blown or now. I feel like its the wiring somewhere as multiple systems have been impacted
 
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Old Jun 26, 2023 | 09:55 AM
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Originally Posted by IDoDirt
Can you provide some history on the bike? Any recent work or modifications to the bike?
No recent work. The guy before me did a rear fender eliminator and replaced both the front and rear signals. I bought the bike in 07 and had no electrical (or what seems to be electrical) issues until now
 
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Old Jun 26, 2023 | 09:57 AM
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Originally Posted by dannoxyz
Yes! I'd be trillionaire if I had penny for every time I heard, "Fuse looks OK!". But actually didn't conduct electricity at all!



Although, headlights, taillight, and blinkers are all on different fuses. Seems unlikely that you blew 3 fuses simultaneously... very odd. Should measure them all anyway.
Thanks for the tip! I honestly didn't know this could even happen! (look fine and actually be broken)
 
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Old Jun 28, 2023 | 08:56 AM
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Also don't forget to measure 20a FI fuse. It's separate from everything else and powers entire EFI system; ECU, injectors, ignition-coils, all sensors, etc. It's comes off battery in parallel with starter-solenoid and main 30a fuse.



 
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