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Author Topic: Lights go out...then on...then off... Need electric guru!! FOUND IT!!  (Read 1613 times)
Tx Bohemian
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*****
Posts: 2278

Victoria, Tx


« on: July 27, 2011, 07:55:19 AM »

Yesterday I started the bike to let it run a bit (too darn hot to ride).
It sat there running about 5 minutes as I piddled around with something else then looked at the bike and noticed all the lights were off (headlight,taillight, front running lights).
WTF!!!
Messed with the hi/low switch back and forth, honked the horn (it worked), blinkers worked... huh?!?!
Then all of a sudden they all came back on! Everything, hi/low, running, taillight.

Then just as fast they all went off again!!!

Messed with all the stuff again, nothing!  Then on again!!??!!

A few weeks ago I changed the forks, triple trees, handlebars and both switches on the bars.  One new, one ebay.

I'll pull the headlight bucket to check to see if anything came loose, Anyone know if there is any specific wire/circuit I need to pay special attention to?

Any other ideas/comments /suggestions?
« Last Edit: July 28, 2011, 03:24:49 PM by Tx Bohemian » Logged

Remember, if you are on a bike and wreck with a car no matter how "in the right" you are you are going to lose. RIDE LIKE EVERBODY IS OUT TO GET YOU!!
Al
vanagon40
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Posts: 1464

Greenwood, IN


« Reply #1 on: July 27, 2011, 07:58:28 AM »

Might check the starter switch.  It turns the lights off/on during the start cycle.
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Cliff
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Posts: 930


Manchester, NH


« Reply #2 on: July 27, 2011, 08:03:47 AM »

2nd suggestion (Previous suggestion  is more likely the culprit) Ignition switch and or it's connections.
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VRCC # 29680
Ricky-D
Member
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Posts: 5031


South Carolina midlands


« Reply #3 on: July 27, 2011, 08:12:56 AM »

Start wiggling the wires!

You've done so much work to that bike the past year, it's gonna be hard to isolate the problem.

The most recent work you list ought to be the most suspicious.

The different lights you note with the same problem is unusual since they are all not on the same circuit.

look at the relay/power panel you installed.

***
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2000_Valkyrie_Interstate
Tx Bohemian
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Posts: 2278

Victoria, Tx


« Reply #4 on: July 27, 2011, 08:25:37 AM »

Thanks for the suggestions guys.

Does the start button cut all the lights off or just the headlight? (this is the ebay switch)

Ricky D, what is the relay/power panel?
Logged

Remember, if you are on a bike and wreck with a car no matter how "in the right" you are you are going to lose. RIDE LIKE EVERBODY IS OUT TO GET YOU!!
Al
Ricky-D
Member
*****
Posts: 5031


South Carolina midlands


« Reply #5 on: July 27, 2011, 08:50:54 AM »

I know you did a lot of modifications to your bike. just have to look at some of that long thread you started last year!

All the extras (lighting) and it seems to me you made use of some terminal power supply for all that. Didn't you?

I'm wrong! I confused you with another VRCC poster.

Maybe I'm wrong and you just tied into the existing wiring on the bike.

Either way, start wiggling the wires and don't forget the last performed work would be the likely culprit!

***
« Last Edit: July 27, 2011, 09:23:25 AM by Ricky-D » Logged

2000_Valkyrie_Interstate
Farther
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Posts: 1680


Quimper Peninsula, WA


« Reply #6 on: July 27, 2011, 09:26:54 AM »

I'm wrong!
I just wanted to memorialize this moment!!
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Thanks,
~Farther
Jess Tolbirt
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Posts: 4720

White Bluff, Tn.


« Reply #7 on: July 27, 2011, 10:30:56 AM »

check all the plug ins inside the bucket,, probably lost a ground connection or at least its loose,,
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custom1
Member
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Posts: 333


01 Interstate

SW Pa


« Reply #8 on: July 27, 2011, 10:48:02 AM »

If they went off and on while you were Not touching anything, I would say its a thermal related bad connection. Could even be the fuse itself. If it is cracked it will heat up till the connection opens and then will cool off because of no load and reconnect. It will keep doing this just like a turn signal flasher but way slower. Change the fuse before tearing the headlight apart. If it is not the fuse it should be a plug with a bad connection doing the same thing. Maybe the starter switch could act this way also?? I don't have that much Valk specific experience to know for sure.

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John
Gryphon Rider
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Posts: 5227


2000 Tourer

Calgary, Alberta


« Reply #9 on: July 27, 2011, 10:59:07 AM »

It's the IG2 circuit of your ignition switch.  Either the switch or the wiring between the switch and the fuse block is bad.  Try wiggling the key to see if the lights come on.  If they do, you've found your problem.  If not, the problem is still that circuit, but it will take a little more work to find exactly where it is.
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Madmike
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Posts: 837


Campbell River BC, Canada


« Reply #10 on: July 27, 2011, 11:22:45 AM »

any chance that someone along the line has installed an automatic reset circuit breaker????
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Valkpilot
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Posts: 2151


What does the data say?

Corinth, Texas


« Reply #11 on: July 27, 2011, 11:52:34 AM »


Does the start button cut all the lights off or just the headlight? (this is the ebay switch)


The start button only cuts out the headlight (and driving lights, if they've been installed in that circuit.)  All the other lights should stay on during starting.
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VRCC #19757
IBA #44686
1998 Black Standard
2007 Goldwing 
 
   
kid4evr
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Posts: 11


Quincy, Mass


« Reply #12 on: July 27, 2011, 02:38:11 PM »

Starter switch only kills the headlight, so most likely not that.
However, the 12v does go through the headlight assembly.
I would first try reseating all the plugs in the headlight assy.

I doubt if this is your problem, but I have seen a fuse heat up, changing resistance, which drops more voltage causing the circuit to fail resembling an open fuse til it cools.
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X Ring
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Posts: 3626


VRCC #27389, VRCCDS #204

The Landmass Between Mobile And New Orleans


« Reply #13 on: July 27, 2011, 05:20:56 PM »

I'm wrong!
I just wanted to memorialize this moment!!

 2funny

Marty
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People are more passionately opposed to wearing fur than leather because it's safer to harass rich women than bikers.           
Tx Bohemian
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Posts: 2278

Victoria, Tx


« Reply #14 on: July 28, 2011, 08:04:21 AM »

It's the IG2 circuit of your ignition switch.  Either the switch or the wiring between the switch and the fuse block is bad.  Try wiggling the key to see if the lights come on.  If they do, you've found your problem. 

This is it!  Thanks for all the help guys!!

I was  a bit too busy last evening to do anything on the bike but as I was passing by I decided to at least turn on the ignition and wiggle a few things to see if I can isolate a problem area.

I turned the key on and lo and behold the lights weren't on, wiggled the key they came on, wiggled again they went off.


So is this indicating a bad ignition switch which will need to be replaced or can it be repaired somehow?




I'm wrong!
I just wanted to memorialize this moment!!

So do we need to put this post as a "sticky"...
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Remember, if you are on a bike and wreck with a car no matter how "in the right" you are you are going to lose. RIDE LIKE EVERBODY IS OUT TO GET YOU!!
Al
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