1977 GL1000 Won't stay running


Information and questions on GL1000 Goldwings (1975-1979)
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cjgiacalone1
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1977 GL1000 Won't stay running

Postby cjgiacalone1 » Sun Jun 19, 2011 5:17 pm



Have a 1977 GL1000. Runs when start button is pushed in but stops when you let off button. Checked for loose wiring all around, on coils, etc. Run button is in "On" position (LOL). Checked all fuses, even main fuse. Was just running last week but broke a throttle cable so we replaced both throttle cables. Now this is happening. Did look at ballast resistor but have no way to test it. All wires connected on that also. Any suggestions? Thanks guys!! 8-)



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Fred Camper
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Re: 1977 GL1000 Won't stay running

Postby Fred Camper » Sun Jun 19, 2011 8:58 pm

Well, you are on the right track. The ballast resistor is bypassed when the start button is pressed to allow the coils to send a hotter spark.

So one of two things. If you have a weak spark, maybe only bypassing the resistor will make it fire. You can make a jumper wire to temporary bypass the resistor in run mode and see what that does. Since this pushes the coils harder, it is not a permanent solution. But if it works, then you either have a wiring issue with the ballast or weak coils. If the coils are 35 years old I might suggest an update is a good idea.

But if it does not change anything, then you certainly have a wiring issue .

Note that if you run a dyna ignition and dyna coils then the ballast resistors are permanently removed as those systems can handle the extra spark all the time.

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WingAdmin
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Re: 1977 GL1000 Won't stay running

Postby WingAdmin » Mon Jun 20, 2011 2:17 pm

I know it sounds like a simple thing, but this can be caused by a weak battery. You hit the starter, it bypasses the ballast resistors, gives you just enough spark to get it started. As soon as you let off the starter, the ballast resistors come back into play, and the battery can't generate enough of a spark to keep it running, so it dies.

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virgilmobile
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Re: 1977 GL1000 Won't stay running

Postby virgilmobile » Mon Jun 20, 2011 3:18 pm

All the notes are right.The point system on the 1000 is barely adequate at best.Any weak spot (battery,charger,points,condenser,coils,ballast resistor,wiring)and the spark is just not enough.Use a test light on both sides of the ballast resistor,one is 12 volt,the other is reduced to near 8 volt when the points are closed.

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thrasherg
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Re: 1977 GL1000 Won't stay running

Postby thrasherg » Mon Jun 20, 2011 3:20 pm

As you say it didn't do this before you changed the throttle cables, I would suspect you have accidentally disconnected something or caused a wire to break. Sounds like we need to get you a wiring diagram and a test meter so you can start checking. It is obviously electrical, and sounds like an issue with the ignition system.

Does anyone have a circuit diagram that we can look at to start suggesting things to check?

Gary

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WingAdmin
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Re: 1977 GL1000 Won't stay running

Postby WingAdmin » Mon Jun 20, 2011 3:37 pm

It could also be a failed ballast resistor - if that has opened up (or a connector been disconnected) it would start, but would quit as soon as the starter button was released:

GL1000 wiring diagram
GL1000 wiring diagram

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cjgiacalone1
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Re: 1977 GL1000 Won't stay running

Postby cjgiacalone1 » Mon Jun 20, 2011 8:55 pm

You guys have been absolutely GREAT! We got it running!! Brought a multimeter home from work and figured it out! It was some type of ohm resistor that accidentally got disconnected when we routed the new throttle cables through. She is up and running as good as new. We are happy campers and APPRECIATE all the input. You guys are wonderful and I am looking forward to being a part of this great forum. Happy Monday!!!

:D

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WingAdmin
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Re: 1977 GL1000 Won't stay running

Postby WingAdmin » Mon Jun 20, 2011 9:41 pm

That would be your ballast resistor, seen in the upper right of that circuit diagram. Glad we could help out!

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78AzWing
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Re: 1977 GL1000 Won't stay running

Postby 78AzWing » Wed Jun 22, 2011 11:17 pm

We have this one under "Manuals" at the top right corner : http://goldwingdocs.com/Docs/Honda%20Go ... -3D00B.jpg
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Fred Camper
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Re: 1977 GL1000 Won't stay running

Postby Fred Camper » Thu Jun 23, 2011 7:12 pm

Cheryl,
Did not notice that this was you until tonight. Once again, that is one very beautiful GL, glad you got it running as good as it looks.




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