neutral light


Information and questions on GL1000 Goldwings (1975-1979)
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bandit12
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neutral light

Postby bandit12 » Wed Mar 16, 2011 9:38 pm



Ok the neutral light stays on all the time eney toughts. :(
Mike



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virgilmobile
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Re: neutral light

Postby virgilmobile » Wed Mar 16, 2011 10:15 pm

Worn neutral switch.Unhook the wire to verify.Switch is hard to get to.It' right next to the frame(front right bottom of the block).I've loosened the lower engine bolt and pried a little to remove it.You can touch the wire to ground to verify the light goes to and off.This is the most likley cause.There may be another problem,like that wire pinched to grounded somewhere.

flw
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Re: neutral light

Postby flw » Thu Mar 17, 2011 9:11 am

On the 1500, if the sensor needs to be replaced, the engine casing needs to be opened up. The sensor unscrews from the inside of the engine case, (nice job Honda). So you can't just remove it once you get to it from the outside.

MInes been acting flaky and the electrical wires to it are all fine. Thats bad for me. Since its more than just a postion sensor, its a safety senors for Reverse. So when it acts up, I have no reverse, even when in mechanical "Neutral".

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Re: neutral light

Postby WingAdmin » Thu Mar 17, 2011 12:15 pm

It could be a worn/failed neutral switch, or it could be a chafed wire. If the wire that goes from the neutral light down to the actual neutral switch gets chafed to the point where the metal inside the wire is touching any part of the engine or frame, it will cause the light to stay on.

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Re: neutral light

Postby thrasherg » Thu Mar 17, 2011 3:03 pm

I would suspect it to be a trapped/chaffed wire as Wingadmin suggest. The Neutral switches do fail, but a trapped/pinched wire is more likely. If you can get to the neutral switch, disconnect the wire from it and if the bulb goes out the switch is faulty. If the bulb stays on you have a wiring issue.

Gary

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Re: neutral light

Postby flw » Thu Mar 17, 2011 3:44 pm

thrasherg wrote:I would suspect it to be a trapped/chaffed wire as Wingadmin suggest. The Neutral switches do fail, but a trapped/pinched wire is more likely. If you can get to the neutral switch, disconnect the wire from it and if the bulb goes out the switch is faulty. If the bulb stays on you have a wiring issue.

Gary


This assumes the circuit is either normally open or closed to determine if its the sensor or wiring and which state the computer will determine a neutral condition . I don't know which is correct but one needs to know ahead or it could lead to a false concluesion.

Dan

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Re: neutral light

Postby thrasherg » Thu Mar 17, 2011 4:06 pm

There is no computer involved.. One side of he neutral bulb is connected to a switched positive, the other side is connected to the neutral switch on the engine, which connects to ground. There are some circuits hanging of the neutral side (for starter motor, etc) but for the neutral bulb its just a switched positive (ignition switch) and a switched ground (Neutral switch). If the bulb is on, you have the negative side connected to ground all the time, that can only be a neutral switch that is permanently closed (Possible but less likely than the alternative-) or a trapped/frayed wire that is making contact to negative. It could be a failed diode and issues with the clutch cutout switch but that is really unlikely so the easiest thing is to dissconect the neutral switch and see if the bulb goes out. If it does your neutral switch is duff, if it stays on then its a wiring issue and we can then give other ideas of things to test.

Gary

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Re: neutral light

Postby flw » Thu Mar 17, 2011 7:05 pm

If the GW has reverse, then the sensor does more than just lite the indicator. It functions as a safety and prevents reverse from being engaged. The light itself is information just for the driver.

For models with reverse, it also sends a signal on the neutal state or not, to the computer and allows or disallows the reverse function to work.

Maybe this is only true on the 1500 with reverse ?

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Re: neutral light

Postby virgilmobile » Thu Mar 17, 2011 9:04 pm

Remember,this is a 70's gl1000.No computer.Points,condenser and switches.Yes I owned one for 10 years and 85 thousand miles.The neutral switch did go bad.It was a **** to replace.

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dingdong
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Re: neutral light

Postby dingdong » Fri Mar 18, 2011 8:20 am

There is also a diode associated with the neutral light circuit. There is a pack of 4 diodes under the left side tank cover. They are all the same type of diode so you can switch them around to see if the problem goes away. The wire colors to the neutral diode are light green/red and green/red. You can check the neutral switch by removing the wire from the switch and checking continuity between the switch and ground. In neutral there should be continuity. In any gear there should be none.
Tom

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Re: neutral light

Postby WingAdmin » Fri Mar 18, 2011 10:19 am

You can tell if the diode fails (shunted) because the neutral light will turn on when you pull in the clutch lever.

If the diode fails open, you will HAVE to pull the clutch in to start the engine, even if the bike is in neutral.

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Re: neutral light

Postby dingdong » Fri Mar 18, 2011 1:03 pm

WingAdmin wrote:You can tell if the diode fails (shunted) because the neutral light will turn on when you pull in the clutch lever.

If the diode fails open, you will HAVE to pull the clutch in to start the engine, even if the bike is in neutral.

Wasn't sure how the diode worked just that it can cause problems.
Tom

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omw41
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Re: neutral light

Postby omw41 » Sun Mar 20, 2011 7:22 pm

virgilmobile wrote:Remember,this is a 70's gl1000.No computer.Points,condenser and switches.Yes I owned one for 10 years and 85 thousand miles.The neutral switch did go bad.It was a **** to replace.

No revers either! ask me how I know that! :lol:

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Re: neutral light

Postby Old Fogey » Mon Mar 21, 2011 5:44 pm

Well known problem with the 1000 and early 1100! Caused by carbon build up on the contacts. There are various methods mooted to clear the problem without removing or replacing the switch, none of which work for long in my experience.
Either bite the bullet and replace it, or you can try the fix I wrote up here (either way you have to pull it out!)
http://www.wingovations.com/#/repairing ... 4541312843
Image Image

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bandit12
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Re: neutral light

Postby bandit12 » Mon Mar 28, 2011 6:53 pm

Don't think that the cluch, has a sefty on it that works that my be way the light is on

sfruechte
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Re: neutral light

Postby sfruechte » Fri Apr 01, 2011 12:59 pm

GL1000's are known for this and Old Fogey has correctly described the cause. Mine has been on for approximately 180,000 miles and over 30 years. It's actually a little dimmer when you are not in neutral. Once you get used to the bike you won't need a light to tell you that you're in neutral.

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virgilmobile
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Re: neutral light

Postby virgilmobile » Fri Apr 01, 2011 1:01 pm

No.The clutch safety will NOT cause the neutral light to stay on.The safety switch and diode only allow the starter to engage if the neutral switch is not grounded and the neutral light is off,by pulling in the clutch lever,thus bypassing the in gear cranking,fall to the ground,run over dog scenario.The light is turned on by grounding the wire to the frame,Usually with the neutral safety switch.The only way the clutch system can KEEP the light on would be the clutch switch would have to be shorted AND the diode shorted or installed backwards.




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