No electrical power.


Information and questions on GL1500 Goldwings (1988-2000)
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sgiandubh
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Motorcycle: 1987 GL1200I
1988 GL1500

No electrical power.

Postby sgiandubh » Wed Feb 10, 2016 11:14 am



My son borrowed my motorcycle and when he went to start it it had no electrical power. I have checked the dog bone fuse and the 30 amp fuse at the solenoid both of these are good. I have checked refuses in the fuse panel and all of these are good. I have checked the relays and all of them show no resistance on one side and 7 home resistance on the copper side. The only relay that was different was the Position relay and that appears to be a different type of relay. I have checked power coming from the battery pass the dog bone and past the 30 amp fuse all of these are good. Is there any other thing I need to check. Any other ideas?



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virgilmobile
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Re: No electrical power.

Postby virgilmobile » Wed Feb 10, 2016 12:09 pm

With your meter or probe and the key ON..
Check from the frame (ground) and the red wire from the fuse.It should be the same as the battery.If its OK,swap the tail/main relay.

sgiandubh
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Motorcycle: 1987 GL1200I
1988 GL1500

Re: No electrical power.

Postby sgiandubh » Wed Feb 10, 2016 12:51 pm

Thanks Virgil for the input.
Tried that this morning before I tested the fuses out. Is the postion relay dfferent from the other relays? Its shell is different and I got different resistance readings on it. Any other ideas? I'm all ears. Electrical problems are my worst nightmare!

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virgilmobile
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Re: No electrical power.

Postby virgilmobile » Wed Feb 10, 2016 1:09 pm

Don't know bout the position relay.
You did swap the main with another one that is the same type?
Does it click when you turn on the key.
Is there voltage(12 volt) on the red wire with the key on using the frame as as the ground for the meter.(bad battery ground connection).
Does anything light up?

sgiandubh
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Location: Lafayette, LA
Motorcycle: 1987 GL1200I
1988 GL1500

Re: No electrical power.

Postby sgiandubh » Wed Feb 10, 2016 2:50 pm

There is no click when you turn the key on. The only red wire I checked was the red wire leading away from the 30 amp fuse on the right side going to the front of the bike. I didn't check the voltage to that wire by grounding on the frame. I got advice on another site and check the ground wire. I noticed there are two grounds coming off the battery from the negative side one large black and one green that smaller. I'll check them shortly and let you know what I find.

sgiandubh
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Location: Lafayette, LA
Motorcycle: 1987 GL1200I
1988 GL1500

Re: No electrical power.

Postby sgiandubh » Wed Feb 10, 2016 2:54 pm

Is there another red wire that I should check? There are no lights on at all that I can see didn't check the radio to see if it turns on. I did switch out several of the relays have the same type into the tail / main real area. Thanks Virgil in advance.

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virgilmobile
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Re: No electrical power.

Postby virgilmobile » Wed Feb 10, 2016 3:27 pm

I'm working from my phone so I don't know what year your bike is.
I looked at a generic schematic I have here.
Another test point...
Use your meter..test between the 2 terminals on the fuse block marked ACC for volts when the key is on. one is ground the other is switched 12 volts.Let's see if volts is getting from the battery through that part of the ignition switch.

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WingAdmin
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Re: No electrical power.

Postby WingAdmin » Wed Feb 10, 2016 4:30 pm

Can you confirm that your bike is a GL1500? Your profile shows you have a 1987 GL1200.

sgiandubh
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Joined: Wed Sep 09, 2009 5:38 am
Location: Lafayette, LA
Motorcycle: 1987 GL1200I
1988 GL1500

Re: No electrical power.

Postby sgiandubh » Wed Feb 10, 2016 4:54 pm

1988 gl1500. Bad Daddy not updating his profile. Gave the 1200 to my future son in law.

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virgilmobile
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Re: No electrical power.

Postby virgilmobile » Wed Feb 10, 2016 6:32 pm

Ok,I'm looking at the 88/89 schematic.
Fuse # 8 and fuse # 2..do they both have power on both sides with the key off and on.They are the battery feed fuses.If they do,keep the key on and operate the kill switch on and off...relay 8 should click.Fuse #11 should have power on both sides when the key is turned on and it should click relay # 3.

sgiandubh
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Joined: Wed Sep 09, 2009 5:38 am
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Motorcycle: 1987 GL1200I
1988 GL1500

Re: No electrical power.

Postby sgiandubh » Thu Feb 11, 2016 11:48 am

Ok the update, we didn't have intermittent working on the switch but its has stopped again. I checked fuse 2 and 8, had power on both sides. Fuse 11 showed .06 volts only when ignition is on. The kill switch does not click relay.

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virgilmobile
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Re: No electrical power.

Postby virgilmobile » Thu Feb 11, 2016 12:30 pm

Fuse #2 and#8 are fed power from the 55amp fuse on a white wire.
Fuse #11is fed power from the ignition switch on a black wire.The ignition switch gets its power on a red wire from the 30 amp fuse on the start solenoid "A".
Somewhere between the good power on the 30 amp fuse and the #11 fuse is bad.
Double check that red wire for power " with the key on"Either the volts disappears from a cracked fuse or ,if its there, the ignition switch isn't passing it to the black wire.

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virgilmobile
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Re: No electrical power.

Postby virgilmobile » Thu Feb 11, 2016 12:36 pm

Keep in mind,were looking for the 30 amp fuse on the starter solenoid "A" and not the 55 amp fuse with the white wire on it.
And all tests are done with the key ON.
Or so says the schematic.

sgiandubh
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1988 GL1500

Re: No electrical power.

Postby sgiandubh » Thu Feb 11, 2016 1:45 pm

the red wire comng out of the 30 amp fuse near the solenoid is hot. trying to find the wire as close to the switch as I can but looks like at ths point going to have to pull the fairing. To steal a phrase from Mel Tillis in Cannonball Run....."I can't see sh.t, can you?" Looking more and more like the switch to me. Your thoughts?

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virgilmobile
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Re: No electrical power.

Postby virgilmobile » Thu Feb 11, 2016 2:28 pm

Before you get at the switch,see if yup can get to the wires in the fuse block.The switched black wire from the switch is there.To verify,attach a wire from the 30amp fuse and touch it on the black wire in the fuse box attached to fuse #11.This bypasses the ignition switch and should power the bike up.
Assuming that the key is on and the switch is bad.
Or simply touch the wire to the fuse contact.

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virgilmobile
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Re: No electrical power.

Postby virgilmobile » Thu Feb 11, 2016 2:38 pm

I did hear of one fellow that had a burnt connection on the back of the fuseholder.
Probably worth looking at that black wire there.

sgiandubh
Posts: 10
Joined: Wed Sep 09, 2009 5:38 am
Location: Lafayette, LA
Motorcycle: 1987 GL1200I
1988 GL1500

Re: No electrical power.

Postby sgiandubh » Thu Feb 11, 2016 6:49 pm

It's entirely possible that it's the fuse holder. The fuse that came out of it wasn't in good shape. Where should I test past the 30 amp fuse holder?

sgiandubh
Posts: 10
Joined: Wed Sep 09, 2009 5:38 am
Location: Lafayette, LA
Motorcycle: 1987 GL1200I
1988 GL1500

Re: No electrical power.

Postby sgiandubh » Thu Feb 11, 2016 6:53 pm

Mosquitos are tearing me up. It is winter in South LA right.

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virgilmobile
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Re: No electrical power.

Postby virgilmobile » Thu Feb 11, 2016 8:32 pm

We've been hovering near freezing at night for the last week and a half.Today was the first day above 60 in a while.I suspect the skeeter will be out again this weekend.
The 30 amp fuse holder goes to the ignition switch on the red wire..That's the end of the line for the red wire.When you turn on the key,that power should go to the fuse #11 on the black wire.

sgiandubh
Posts: 10
Joined: Wed Sep 09, 2009 5:38 am
Location: Lafayette, LA
Motorcycle: 1987 GL1200I
1988 GL1500

Re: No electrical power.

Postby sgiandubh » Thu Feb 11, 2016 8:43 pm

when the bike first went down that 30 amp fuse was partially melted. I'm not sure that the contacts within are that sound. I tested the red wire coming out of the 4 prong connector and it was hot but am not conviced that circuit is good..I guess if the voltage is the same as the battery it should be a good circuit.
I cannot thank you enough for your help and dedication to solving ths for me. I am very grateful for your attention and patience. I cannot say this enough. THANK YOU THANK YOU THANK YOU.

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virgilmobile
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Re: No electrical power.

Postby virgilmobile » Thu Feb 11, 2016 9:01 pm

Keep us posted on what you find.
By the way,I just looked at my 88 ignition switch..I hope yours isn't bad..It looks like the faring would have to come off to get it off.Mine appears to be mounted to the frame with 2 security bolts.The kind one would have to realy work at to get them out.Certainly not a 10mm bolt..there rounded off.The harness to the switch does head to the left front side somewhere...I suppose to a plug.

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virgilmobile
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83 GL1100 I
83 GL1100 standard
84 GL 1200 I

Re: No electrical power.

Postby virgilmobile » Fri Feb 12, 2016 9:54 am

Keep in mind.When you test for voltage,it will be done under full load.
The key must be turned on.
The reason is a corroded connection or a cracked fuse can have enough continuity to light up a test light or show on a meter then completely disappear when a load is attached.

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Fiberthree
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Re: No electrical power.

Postby Fiberthree » Fri Feb 12, 2016 12:59 pm

virgilmobile wrote:...Mine appears to be mounted to the frame with 2 security bolts.The kind one would have to realy work at to get them out.Certainly not a 10mm bolt..there rounded off...


Those are shear bolts. They are made with a hex head on a stem and the hex is designed to snap off at the correct torque. They are not overly tight and you might be able to loosen them with a small set of pliers if you can get them in there. The shop manual says to grind a slot in the top of the bolt and use a screwdriver to extract the bolt. ( The fairing would have to be removed to do that ) My ignition switch was replaced by a Honda dealer and the told me that those bolts were just a security thing. The mechanic did remove them without taking the fairing off but the replacement bolts he used were just standard type.


Ed

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