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HELP ME! Lights sometimes work...

  • Thread starter Thread starter Flaming Chainsaws
  • Start date Start date
F

Flaming Chainsaws

Guest
First of all, don't mind the pictures. My camera is broken.

I've made some good progress.

I left the bike on the side stand and removed the clutch cover. No need to drain the oil!
DSCN4793.jpg


Then I tightened down the clutch spring bolts because they were too loose. After that, I wanted to see the clutch spin for half a second so I hit the starter. :rolleyes:

Now I am very surprised. My lights turned on!!!
DSCN4796.jpg


Here is a quick video.
http://www.youtube.com/watch?v=p5giVeuqX8Q

I quickly put the clutch cover back on then I turned the key to ON and there are no more lights. Started it up, no lights. So I removed the clutch cover again. Key ON, no lights. Turn the starter for half a second with clutch cover off, LIGHTS TURN BACK ON! WTF???

I did that over and over with the same result. Maybe something is up with the oil pressure???

PLEASE HELP ME!
 
You must be snagging the wiring somewhere - it's nothing to do with oil pressure or the clutch cover, it's just coincidence. However, it has given you a clue. When you pop the cover on or off have a close look at what wiring runs close and jiggle it about to see if you can duplicate the same effect.
 
The only wiring that is even close would be the signal generator underneath the clutch cover BUT, those wires are completely covered up and it is not touching the clutch cover..... Except for the little bracket that attaches to the clutch cover which holds up the wiring.
 
Was it all your lights that turned off? Or just your idiot lights?
Your oil pressure switch supplies the ground to some of those idiot lights.
Next time your lights are off and won't come on you could disconnect the wire from your oil pressure switch and ground the wire to the engine or the frame and the lights should come back on. If it doesn't the problem is somewhere else. That is a very peculiar problem but it seems like a floating ground or loose connection somewhere's.
 
sedelen said:
Was it all your lights that turned off? Or just your idiot lights?
Your oil pressure switch supplies the ground to some of those idiot lights.
Next time your lights are off and won't come on you could disconnect the wire from your oil pressure switch and ground the wire to the engine or the frame and the lights should come back on. If it doesn't the problem is somewhere else. That is a very peculiar problem but it seems like a floating ground or loose connection somewhere's.
Click to expand...
ALL of my lights were not working except for the headlight. When those lights did come back on, everything was working like it should be.
 
Flaming Chainsaws said:
ALL of my lights were not working except for the headlight. When those lights did come back on, everything was working like it should be.
Click to expand...

You've got a loose connection somewhere, or floating ground. It's almost like a switch being flipped on or off. I wished I was there, I'd like to tackle it.
 
If it is like the 850G and 1100G (that I am familiar with):
- the oil light has power to it all the time, the wire goes to the oil pressure switch, and the switch connects the wire to ground.
- the sidestand light has power to it all the time, the wire goes to the sidestand switch, and the switch connects the wire to ground. (I am Ignoring describing the diode)
- the netural light has power to it all the time, the wire goes to the netural switch, and the switch connects the wire to ground.
- the guage lights have power all the time and also have a ground wire on them.
(when I say, "all the time", I mean when the ignition key is on)

So, the only thing common to all these lights is the power wire. THey have seperate ground wires.
SO the one thing that can make them go on and off at the same time is the power.

I think all these things are on same fuse and same wire going to the instruments.
Get a scehmatic and see what color wire that is.

.
 
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Joe
 
Flaming Chainsaws said:
What is the meaning of floating ground? Like this?
http://en.wikipedia.org/wiki/Floating_ground

There are no loose connections anywhere. So it must be the above...

I wish you were here. :rolleyes:
Click to expand...

I didn't like that definition, the way I define a floating ground is a ground wire that makes a definite connection one minute, then for some reason opens, it could be a weak, loose, or dirty connection between two wires in a single circuit, or a rusty, dirty or loose bolt, or ground terminal where it bolts, screws to the frame, or a rusty frame. It implies that you get a good ground one minute and an open circuit the next, I'd be checking all your grounds to make sure the terminals are shiny, the metal is shiny where the two mate, and that they are properly tightened together. A high resistance ground will cause voltage drops.
 
OK, so I might have a ground that works good at one time then doesn't at another time?

I think it's the oil pressure switch.......
 
Flaming Chainsaws said:
OK, so I might have a ground that works good at one time then doesn't at another time?

I think it's the oil pressure switch.......
Click to expand...

Very well could be a loose ground connection, or a 12 Volt connection also.
But, I don't think it's the Oil Pressure Switch as that doesn't affects all the lights that you had go out.
But it would be easy to check, disconnect the oil pressure switch wire and connect it to a good ground. Your lights should come on, disconnect it and your lights should go off.
Don't confuse the the oil pressure switch wire with the one behind it, that being the temp gauge sending unit. Take that off and ground it and your temp gauge will jump to maximum.
 
sedelen said:
Very well could be a loose ground connection, or a 12 Volt connection also.
But, I don't think it's the Oil Pressure Switch as that doesn't affects all the lights that you had go out.
But it would be easy to check, disconnect the oil pressure switch wire and connect it to a good ground. Your lights should come on, disconnect it and your lights should go off.
Don't confuse the the oil pressure switch wire with the one behind it, that being the temp gauge sending unit. Take that off and ground it and your temp gauge will jump to maximum.
Click to expand...
I already tried connecting the oil pressure switch to a ground. NO LIGHTS!

I guess I can try testing the temperature switch while I'm at it.
 
Flaming Chainsaws said:
OK, so I might have a ground that works good at one time then doesn't at another time?

I think it's the oil pressure switch.......
Click to expand...

The oil pressure switch IS a ground sometimes and sometimes it is NOT. THe swtich connects the wire to the ground (engine case) when oil pressure is low, and the switch disconnects the wire from the ground when oil pressure is okay.


Flaming Chainsaws said:
I already tried connecting the oil pressure switch to a ground. NO LIGHTS!

.................
Click to expand...



So, when you connect wire to the ground (simulating what the oil pressure swtich would do on low oil pressure) and the lights do not light, what you have done is proved that the oil swtich is not the problem. Beacuse you did what the swtich should do and the rest of the system didnt work, so the problem is somewwhere in the rest of the system.

Suppose to be power (from instrument fuse) to one side of the the oil light all the time, from the other side of the light a wire goes to the swtich, and the switch then either connects the wire to ground or does not connect the wire to ground to light the light or not.
THe sidestand light is the same and has its own switch to ground, and the netural light is the same and has its own switch to ground.

You said the problem is that the instrument lights and the oil opressure and the sidestand light and the netiural light and other things are not working all at once, then they do all work all at once. THe only thing common to all those are not any one ground, but the power to them all. You should be checking the power wire from the fuse to the instrument panel.


I am repeating myself. I will quit trying to explain this.

.
 
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