1977 GL1000


Information and questions on GL1000 Goldwings (1975-1979)
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Edgar M
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Location: Newport,Ky.
Motorcycle: 1977 gl1000

1977 GL1000

Postby Edgar M » Mon Feb 25, 2013 4:38 pm



I have a 1977 GL1000. I have lights they come on with the key, I put it in neutral and that light don't come on. And my will not turn over. But my real question is ther is a green/red wire that comes from my starter switch it runs up to the front of the bike ,just under the false tank. but it is not attached to anything. have any ideals on where it connects to/ I think that is why the bike wont crank. I seen it is the starter safty circuit starter relay diode clutch switch.



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virgilmobile
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Re: 1977 GL1000

Postby virgilmobile » Mon Feb 25, 2013 4:53 pm

It sounds like there has been some creative wiring done to get the bike to crank.
Download the schematic from this site..."manuals" section....in full color no less.. :)
There are 2 circuits involved.
The neutral lamp is turned on by grounding the wire to the switch.(right front of the engine behind the frame).
It goes through the diode and then to the solenoid.
The clutch switch is on the back side of the diode...so if the clutch is pulled in (reguardless of the gear selection) it provides the ground path for the start solenoid.

Edgar M
Posts: 6
Joined: Mon Feb 25, 2013 4:15 pm
Location: Newport,Ky.
Motorcycle: 1977 gl1000

Re: 1977 GL1000

Postby Edgar M » Mon Feb 25, 2013 6:19 pm

The guy I bought the bike from said it would not start with the cluch held in. It had to be in neutral to start. And thanks for the diagrams.

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virgilmobile
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84 GL 1200 I

Re: 1977 GL1000

Postby virgilmobile » Mon Feb 25, 2013 7:40 pm

No start with the clutch pulled in is usually a bad clutch switch.
No neutral lamp CAN be a bad lamp,bad switch or broken wire to it.
Locate the switch,it has one wire on it.Short it to ground,the neutral lamp should light and it should crank,assuming the diode is good and actually there.

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portugeezer
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Motorcycle: 1976 gl1000
1982 Gl500
1984 Honda Magna V30

Re: 1977 GL1000

Postby portugeezer » Mon Feb 25, 2013 9:23 pm

My clutch saftey switch wire is I believe one green and one brown and green. Mine is a 1976 maybe the disconnected wire is from the clutch lever? If so the rest of it is on the left side near the front of the bike. Maybe you just need to splice a wire to get it going.

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portugeezer
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1982 Gl500
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Re: 1977 GL1000

Postby portugeezer » Mon Feb 25, 2013 9:28 pm

Ok just looked at mine. Green with red stripe is to the clutch lever. There are two wires the other is soild green. Maybe all you have to do is splice. Good Luck!

Edgar M
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Joined: Mon Feb 25, 2013 4:15 pm
Location: Newport,Ky.
Motorcycle: 1977 gl1000

Re: 1977 GL1000

Postby Edgar M » Mon Feb 25, 2013 10:01 pm

Thanks for all the help I'm going to work on it in the morning. I''ll keep you posted.

Edgar M
Posts: 6
Joined: Mon Feb 25, 2013 4:15 pm
Location: Newport,Ky.
Motorcycle: 1977 gl1000

Re: 1977 GL1000

Postby Edgar M » Thu Feb 28, 2013 3:03 pm

Well I have it cranking now. The wire to the neutrial safty switch was broke. But now I'm not getting fire. The wire that feeds the coil starts at the kill switch. I check the voltaeg there bythe front of the false tank and it has 11.4 volts there. But when I plug that back in and check the voltage at the coil I Only have 4.5 volts and 5.2volts when cranking the motor. Is there some thing that controls that voltage that I'm not seeing that i need to check.

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virgilmobile
Posts: 7650
Joined: Sun Sep 19, 2010 5:39 pm
Location: Denham Springs,La.
Motorcycle: 1988 GL1500 I
Previously owned
78 GL1000
81 GL1100
82 GL1100 I
83 GL1100 I
83 GL1100 standard
84 GL 1200 I

Re: 1977 GL1000

Postby virgilmobile » Thu Feb 28, 2013 4:14 pm

Assuming the bike has the original point system,low voltage without cranking is normal due to the ballast resistor that power runs through to get to the coils,however during cranking,there is power applied to the coil side of the resistor that boosts the voltage up near battery volts.
The schematic shows a diode for that.
The point system generally has a very weak spark to start with and a poor battery makes it worse.
Unhook both wires from the resistor,one will have volts with the key on and the other only when cranking.Use a test lamp(light) to verify that.The diode could be bad.
Attachments

Edgar M
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Joined: Mon Feb 25, 2013 4:15 pm
Location: Newport,Ky.
Motorcycle: 1977 gl1000

Re: 1977 GL1000

Postby Edgar M » Mon Mar 04, 2013 1:45 pm

I have voltage like it says but still it don't fire. Can I do an ohms test on the ballast resistor to find out if it is good or not. And if so would you know what it would ohm out at.

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wjnfirearms
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Motorcycle: 1977 GL1000
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Re: 1977 GL1000

Postby wjnfirearms » Tue Mar 05, 2013 8:37 pm

Here's your answer.

Member, Patriot Guard Riders, Blue Knights LEMC, PA VII

Edgar M
Posts: 6
Joined: Mon Feb 25, 2013 4:15 pm
Location: Newport,Ky.
Motorcycle: 1977 gl1000

Re: 1977 GL1000

Postby Edgar M » Thu Mar 07, 2013 10:44 am

thanks for the information. For some reason I cant down load the manuals. The last time I tryed it locked my computer up. If there is any trick to getting this done I could use the help.

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virgilmobile
Posts: 7650
Joined: Sun Sep 19, 2010 5:39 pm
Location: Denham Springs,La.
Motorcycle: 1988 GL1500 I
Previously owned
78 GL1000
81 GL1100
82 GL1100 I
83 GL1100 I
83 GL1100 standard
84 GL 1200 I

Re: 1977 GL1000

Postby virgilmobile » Thu Mar 07, 2013 11:03 am

Edgar M wrote:I have voltage like it says but still it don't fire.


Do you mean it won't run or there is no spark..???

I don't have a problem with the downloads...If you still can't get it,someone may be able to E-Mail it to you.

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WingAdmin
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Re: 1977 GL1000

Postby WingAdmin » Thu Mar 07, 2013 2:26 pm

Edgar M wrote:thanks for the information. For some reason I cant down load the manuals. The last time I tryed it locked my computer up. If there is any trick to getting this done I could use the help.


Have you tried using a download manager? There's links to a couple good ones on the Manuals page.

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wjnfirearms
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Location: Portersville, Pennsylvania
Motorcycle: 1977 GL1000
1980 KZ750 LTD
2007 H-D XL1200C
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Re: 1977 GL1000

Postby wjnfirearms » Thu Mar 07, 2013 6:19 pm

Scott is probably right on the download manager. I tried to e-mail the manual I have in pdf format to someone here and it was simply way too large a file size to attach and send.

I have no issue sharing my pdf copy of my '75-'79 Honda manual with anyone here if there is an easy (and free) way to do it.

In fact, if there's an easy way to download it to this site, I wouldn't be against that either.


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