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Buell Forum » THUMPer Forum » Buell Blast Thumper Knowledge Vault » Ignition, Battery, Charging System - Electronic Trouble shooting » Blast Headlight Odd Problems to Not working « Previous Next »

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Johnglover
Posted on Friday, December 12, 2014 - 10:47 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I couldn't find any of my symptoms on other threads. Point me to the right direction please if you remember these problems.

About a month ago my Headlights did not turn on when I turned my bike on. within about 30 seconds of warm-up, they turned on. That happened a couple more times in the last two weeks randomly. Then a couple of days they didn't turn on until I rode for a couple minutes after warm-up. Now they don't come on at all.

I checked the fuse and it looks good, and nothing seems to be amiss with the wiring (that I can see without removing the headlight) and wiggling the wires doesn't give any flashes or anything.

Do these symptoms sound familiar to anyone. It doesn't sound like anything I've dealt with. And I have a tendency to make things worse when I start messing with electrical problems. My blinkers can attest to that lol.
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Gearheaderiko
Posted on Saturday, December 13, 2014 - 06:00 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Might be a bad headlight relay-I don't have a wiring schematic available to check its exact location though. Just checking-but you have checked high beam and low beam? You should get power to the relay and then it goes nowhere, I'd the problem is relay related. If there's isn't any power to the relay, then the problem lays in the where the power is coming from. If it gets power, then the problem is in the relay or what switches the relay on.
Do you have a test light (not a volt meter)?
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Johnglover
Posted on Saturday, December 13, 2014 - 07:08 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Thanks gearhead. I'll take a look at the relay tomorrow when the sun comes back out. That's really good advice though, I didn't even think relay. And, no I dont have a test light but my neighbors probably do. I'll get back on tomorrow with results.
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Johnglover
Posted on Monday, December 15, 2014 - 09:20 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Okay, after an extensive google search to figure out what the relay would look like, I came up empty. So I went downstairs and did what I usually do. I took all of the fuses out, unplugged the headlight from the connector where it connects to the ignition, and hit all of the connections with a wire brush and compressed air. And now they work!!! Not very good for a specific diagnosis, but It was likely just a bad connection in that connector.
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