Sudden Headlight failure - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 23 Old 07-10-2009, 04:42 PM Thread Starter
Junior Trooper
 
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Sudden Headlight failure

Riding along and suddenly no headlights. Everything seems connected. Is there a relay in there that may have gone bad? Suggestions are very welcome.
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post #2 of 23 Old 07-10-2009, 05:21 PM
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Checked the fuses?

Scott Craig - Nashville, TN
Red '06 Suzuki DL650 - Red '07 Honda VFR800 - My Bike Page
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post #3 of 23 Old 07-10-2009, 05:23 PM
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No relay. Are both low beams and high beams affected? If so, the usual suspects are the normally closed contacts on the starter switch, unless you have a 2004 or earlier model, the large connector with a rubber cover inside the left cowling, and the connector behind the radiator. The weakness of the connections and switches involved make adding relays a good idea. http://www.easternbeaver.com/Main/Bi...om.html#h4dual is a good set.

If only hi or lo is affected, check the fuses or the selector switch on the handlebar.

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post #4 of 23 Old 07-11-2009, 05:27 AM
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My bike did the same thing some time ago. It was the starter switch. I sprayed lubricant and pressed it a couple times. It has been fine since.

Every now and then, I give it another squirt.

I am sure there are better ways to fix this but it worked for me. I may regret it some day but for now...
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post #5 of 23 Old 07-11-2009, 10:17 AM
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Quote:
Originally Posted by Christopher Ryan View Post
My bike did the same thing some time ago. It was the starter switch. I sprayed lubricant and pressed it a couple times. It has been fine since.

Every now and then, I give it another squirt.

I am sure there are better ways to fix this but it worked for me. I may regret it some day but for now...
Yes, I think a better way is to use Radio Cleaner, it is not a lubricant which can suck in the dust. You can find some at Radio Shack, probably Best Buy and Wal-Mart as well.
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post #6 of 23 Old 07-11-2009, 12:33 PM Thread Starter
Junior Trooper
 
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Quote:
Originally Posted by Christopher Ryan View Post
My bike did the same thing some time ago. It was the starter switch. I sprayed lubricant and pressed it a couple times. It has been fine since.

Every now and then, I give it another squirt.

I am sure there are better ways to fix this but it worked for me. I may regret it some day but for now...
Question on this...Are you talking about the switch on the grip? Or the actually started down below.

Thanks to everybody for the help. I'm diggin' in today.

Rick
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post #7 of 23 Old 07-11-2009, 04:22 PM
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He probably meant on the grip. I know a guy that was riding another bike that didn't have any headlights on, turns out the switch was kind of stuck between low and high beams and just needed a cleaning with radio cleaner spray (not WD-40).
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post #8 of 23 Old 07-11-2009, 08:08 PM
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starter switch

mine is toast also , suzuki will waranty it as there are lots of them failing> [$138] lights dont work unless you ticlkle the starter switch , a slight touch works better than a full push

swann strom
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post #9 of 23 Old 08-06-2009, 08:55 AM Thread Starter
Junior Trooper
 
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Fix

Radio shack electronics cleaner did the job. Squirted the switch on the grip an couple of times and no more problem.

Thanks for the help.
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post #10 of 23 Old 08-09-2009, 09:57 AM
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This has now happened to me a few days ago, its really annoying. Riding along and suddenly no head lights. I can use the pass button to flash the high beam, but no lights apart from that.

I have squirted the controls on both handlebars and still nothing. Done a continuity check between the switches, head lights and fuse box.

No shorts everything works as it should. Fuses ok, lamps have working filaments. No breaks in the circuit.
Swopped in some new lamps, still nothing. When I stick a multimeter into the lamp sockets I get correct voltages, as I flip the light switch from low to high beam voltages swop over correctly to the right filaments, however unable to measure the voltage with the lamps in place (I could do with an extra hand for that)

I have to assume the voltage drops to zero with the lamps in, but I'm stuck on what could be causing it. I can't find a single problem on the head light circuit so it much be something elsewhere, anyone able to suggest anything?

The switches on the handle bars are once again drying out after squirting cleaner in them.

Must be a short somewhere but I don't know where to look. One idea I have is that it could be something in the dashboard causing a volt drop. I did notice the overdrive light was coming on sometimes in the wrong gears (usually 2nd)

Running out of ideas here...

[FONT="Franklin Gothic Medium"][SIZE="2"]Neither snow nor rain nor heat of day nor gloom of night is gonna make me leave it in the garage and get that train to work tomorrow...[/SIZE][/FONT]

Last edited by FuzzySpace; 08-09-2009 at 10:24 AM.
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