CBR 600F4 1999 - 2000 Honda CBR 600F4 Forum

Headlight problem- please help!

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Old Oct 24, 2007 | 05:14 PM
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turkey281's Avatar
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Default Headlight problem- please help!

Hey everyone,

Got a problem and was hoping I could get an idea here on how to solve it. I was driving the other night and my headlight just went out, both high and low beam. I finally got back home and tried to check it out. Fuses are okay and the bulb is okay as well. I tried a new bulb still just to confirm that. Everything else still works normally. Next night, I removed the upper fairing to get to more of the wiring. Everything seems to be plugged in securely. Can’t figure it out from here. There isn’t a relay somewhere that I’m overlooking for the headlight is there? Also, could the headlight wiring harness have gone bad somehow? Thing is, the front blinkers are part of that harness and they still work normally. Any ideas on what to suspect? It’s a 99 F4 by the way.

Thanks!
 
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Old Oct 24, 2007 | 06:22 PM
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Default RE: Headlight problem- please help!

I had the EXACT same problem 3 weeks ago. Take apart the right hand side hand grip (the one with the start button). Once apart, you will see a circuit board with four soldered connections. I can almost gurantee that one is disconnected. Just reconnect it back up and it will work. Good luck. Let me know if it works out for you.
 
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Old Oct 24, 2007 | 07:35 PM
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Default RE: Headlight problem- please help!

Hmmm,okay I guess I could try that. So you say there are 4 soldered connections there on a circuit board, under the start button area? Did you have to re-solder it back or how did you make sure it stays connected this time? Just curious since I don't have my wiring diagram with me, but what's over there that has to do with the headlight?
 
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Old Oct 25, 2007 | 05:25 PM
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Default RE: Headlight problem- please help!

it has something to do with the power top the headlight while its running, yada yada.
 
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Old Oct 27, 2007 | 09:40 PM
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Default RE: Headlight problem- please help!

ORIGINAL: bambo2888

I had the EXACT same problem 3 weeks ago. Take apart the right hand side hand grip (the one with the start button). Once apart, you will see a circuit board with four soldered connections. I can almost gurantee that one is disconnected. Just reconnect it back up and it will work. Good luck. Let me know if it works out for you.
Well there ya go. Opened it up and sure enough one of the wires was disconnected. Re-soldered it and the headlight's back! Simple as that. Thank you so much bambo- don't think i would've ever thought to go there to look. Perfect example of how these boards should work!
 
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