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Bike won't start, can bump start

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Old Jul 21, 2024 | 08:54 PM
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Default Bike won't start, can bump start

To anyone that can help thank you. Bike won't start but will bump start. Happened at a mountain ride when I stopped for gas. I can hear the fuel pump, normal lights on the dash come on but just no turnover from the ignition. the bike blows the headlight fuse anytime I use the high beams, or left turn signal or kill switch. Also, the headlight, high beam and left turn signal do not work. Once I replace the fuse it works fine until I use one of the functions I mentioned. I have checked all the wires and connections to my knowledge at the headlights, turn signal/headlight button and the ignition button. Can't see any wires torn, pinched, etc. anywhere in the steering column. Looking for a next step on what to check or do. Saw some threads about the rectifier not exactly sure if that's the next spot. My biggest issue is electrical is my worst area lol.
 
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Old Jul 23, 2024 | 11:39 AM
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Welcome to the forum, I do not think that it is the rectifier.
You definitely have a short to earth somewhere within your headlight related wiring.
What bike is it? Do you have a workshop wiring diagramme and are there any common paths that feed these circuits which will point you in the right direction?
Have you done any mods recently?
Have you separated all of the relevant connectors and checked for shorts to earth with a multi-meter?
 
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Old Jul 23, 2024 | 01:59 PM
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That's what I figured, I thought I checked the connections, but I will go back and double check. I have not done any mods, and I have a 15 cbr600rr. In the beginning I figured it was connected, but on the ride it sprinkled rain a little and there was some condensation in the headlight. Could it have shorted something inside the headlight? Since I didn't check anything in there because they're sealed. I have looked at a diagram but I am not the best at electrical so not sure if I am reading it wrong. I will look into the diagram more as well
 
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Old Jul 24, 2024 | 10:01 AM
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There are no connections within the headlight itself, unfortunately one of the few things Mr Honda did wrong with these bikes was not to use waterproof connectors, start with the headlight harness multi-plug and go from there. Use a multi-meter on the ohms setting and check each pin on the plug to a good earth, you should not get any reading ( the opposite of when you connect the two leads together which gives you '0' ohms).
 
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Old Jul 24, 2024 | 12:31 PM
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So I checked both sides of the headlight just to compare and each time with all the plugs connections "OL". I also made sure to check the battery on off, on, and startup, all the numbers looked good.
 
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Old Jul 25, 2024 | 04:33 AM
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Unfortunately you will have to do the same on all of the wires associated with the problem circuits unless you can find a common wires that covers them all.
 
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