84 1200i No electrical power--zero


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ironranger
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Location: Sault Ste. Marie, ON, Canada
Motorcycle: 1984 GL1200I Interstate

84 1200i No electrical power--zero

Post by ironranger » Fri Jun 07, 2019 8:18 pm



As I pulled into my driveway tonight to put my bike away it came to a complete stop. Just as though I had turned the key off. Tried to restart--Nothing. No starter--- I have no lights, or dash lights --Nothing.
The battery shows 13.1 volts, and both sides of the dogbone show power. All fuses were pulled and checked. All OK. Where do I go from here? Ignition switch?



DaveO430
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Re: 84 1200i No electrical power--zero

Post by DaveO430 » Sat Jun 08, 2019 5:43 am

Make sure the dogbone fuse isn't cracked, it might show power on both ends when not under load but not carry any current. If that proves good look at the connector on the top of the starter relay.

ironranger
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Re: 84 1200i No electrical power--zero

Post by ironranger » Sat Jun 08, 2019 1:34 pm

Thanks Dave:
Took out the dogbone and tried an inline fuse. Still no power. The plug on the starter solenoid is clean and has dielectric grease in it.
I punched the battery, and power came back on. So I was thinking internal short in the battery? But when I hit the starter button, I lost all power again. New starter solenoid?

tire joe
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Re: 84 1200i No electrical power--zero

Post by tire joe » Sat Jun 08, 2019 9:54 pm

Get battery load tested.

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DenverWinger
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Re: 84 1200i No electrical power--zero

Post by DenverWinger » Sun Jun 09, 2019 7:16 am

Check for corroded battery terminal connections...
♫ 99 Little Bugs in the Code, ♪
♪ 99 Bugs in the Code. ♫ :(
♫ Take one down, Patch it around, ♪
♫ 127 Little Bugs in the Code. ♫ ♪ :shock:

~Mark

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WingAdmin
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Re: 84 1200i No electrical power--zero

Post by WingAdmin » Sun Jun 09, 2019 10:09 am

Batteries can also crack their conductors internally when subjected to heavy jolts, which can cause that kind of issue.

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CrystalPistol
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Re: 84 1200i No electrical power--zero

Post by CrystalPistol » Sun Jun 09, 2019 11:13 am

I've tested batteries at Advance Auto that passed the test that didn't load them, then they acted like a "dead door knob" when a load was placed on them.

Try it with a good 12vdc battery, even try the use of jumpers from car, truck, boat, or riding mower. If she starts then, just a battery problem I'd say.

If not … time to look further. I recall reading post of some ignition switches where the back came loose from rivets and dropped down from housing. Might feel behind it or use small mirror to look.

What happened to you happened to us one day on Blue Ridge Parkway at overlook back in '90s, moment of panic as we were alone, found was dogbone with crack. I had spares. Fixed with HD inline glass fuse holder with 12 ga wire and 30 amp fuse and two ring terminals when I got home. I know, you said you had power there on both DB fuse ends, etc, …. just what my experience was.

In below pic, I colored wires. Ignore the added blue wire dated 07-24-98, that's a added jumper that Honda added to their updated plug to take the main power from REG/REC to IGN SWITCH outside of plug and solenoid, it just paralells an internal connection as you can see. I think Honda maybe revised the plug at SOL due to complaints of melted connectors? The date was when I updated mine.


Image

ironranger
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Motorcycle: 1984 GL1200I Interstate

Re: 84 1200i No electrical power--zero

Post by ironranger » Sun Jun 09, 2019 8:23 pm

Thanks for all your suggestions guys. This is what I have done so far.
Tried another battery. Same result no power anywhere. Cleaned battery terminals and the connecting lugs and on the back of the solenoid. (they were clean-no corrosion and tight). Checked power to the front two pins in the connector plug on top of the solenoid. (with plug disconnected) (red wire and red/white stripe) Had 12.9 volts to both pins.
Put the plug back in and verified power through the plug to the output side. Read 12.9 volts.
So I know that the power is going through the plug to the output side. I have not located an inline fuse in the red wire, and my schematic does not show one. If anyone knows where it is please advise.
Took the run/stop switch apart to look for corrosion or broken parts. All looked good. Forgot to run continuity on the switch but will do so. Inspected wire harness from solenoid up to the false tank, did not see any wear or anything unusual.
Any other thoughts would be useful.
Thank you.

ironranger
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Re: 84 1200i No electrical power--zero

Post by ironranger » Sun Jun 09, 2019 8:33 pm

Other thoughts:
When I put my bike away, I have to drive it into my back yard and make an 90 degree left turn onto my lawn.
I then have to juggle the bike back and forth with clutch and leg power, all the time turning the handle bars lock to lock to complete an 180 degree about face so I can then roll my bike backwards into storage.
The power went out during this about face.
At first I thought I had bumped the run/stop switch. It was still in the run position. Then I wondered in I had hit the start button while the engine was still running. What would be the end result of this?
I'm 75 and love my bike and I am depressed. Turning around on grass is not the easiest task.
Could the wiring harness be broken near the ignition switch? Should I take some tape off the wiring harness to see if I have voltage along the red wire at various points.
Thanks again. This forum is excellent.

ironranger
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Re: 84 1200i No electrical power--zero

Post by ironranger » Mon Jun 10, 2019 12:29 pm

Ironranger here again in less than 24 hours.
This morning I went out to the bike to decide what to check next. I turned the ignition key to on and went to look at the schematics. Within 30 seconds I heard a "click" (solenoid) and all the lights came on and the horn worked.
However, when I tried the start button, I lost all power again. I think that when I was turning my bike around, I may have inadvertently hit the start button, and it may have caused some internal damage to the solenoid.
I have ordered a new solenoid and will try that, but if you have any other suggestions I'm ready and willing to listen.
Thank you

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julimike54
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Re: 84 1200i No electrical power--zero

Post by julimike54 » Mon Jun 10, 2019 7:21 pm

I'd start by checking all connectors in the neck area, based on the click click and the use of turning. Connector may be loose or broken, start by pulling in opposite directions, if it doesn't come apart, look for a locking tab. Once apart look for marks of solid contact on the male and female parts.

Good luck
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Riding anything is a good day!
Mike

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CrystalPistol
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Re: 84 1200i No electrical power--zero

Post by CrystalPistol » Mon Jun 10, 2019 10:20 pm

Take a good look at that black 4 position connector on top of solenoid. Look at picture in my last post. The red wire and the red with white tracer wires share that connector. The 30 amp dog bone is there between them and the battery juice. If that plug is loose, burnt up, melted from heat, once the bike shuts off, no juice can reach the ignition switch anyway.

In that pic, the blue added jumper just lets juice from reg/rec reach the rest of the bike outside of the solenoid, but if the bike is "off", that internal circuit is the only way to get battery juice to ign switch to then be used to hit that starter solenoid. The jumper in blue just let the current of running the bike flow without using the connector terminals at C103. The only wires shown in that pic pertain to power distribution, not the start circuits … hence only two wires shown at C103
Image

ironranger
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Re: 84 1200i No electrical power--zero

Post by ironranger » Thu Jun 13, 2019 10:36 am

To: Dave0430,tire joe, denverwinger, wing admin, crystalpistol, and julimike54
Problem solved. It was a failed battery. The one in the bike was only two and half years old, an expensive AGM, so I didn't think it would be the battery.
I had borrowed a battery from a neighbor, as one of you suggested, but it must have not been up to snuff.
Bought a new battery this morning and I am no longer depressed. In the beginning my wife suggested trying a new battery ( have to tell her she was right when she gets home-oh no!)
Thanks to each and everyone of you, I will now be able to ride in our 7th Annual Ride for Autism this weekend.
It shows that this forum works.
Thanks.

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johnnyco
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Re: 84 1200i No electrical power--zero

Post by johnnyco » Mon Jul 01, 2019 4:46 pm

My 1985 Aspencade starting cut off like that while riding. Found issue was pulse generators. The generators would get hot and electrical ohms would change resulting in basically no electrical power to spark. After cooling down, engine would start. Changed out pulse generators with OEM found on Ebay and have not had same issue. It was like just using the kill switch when engine quit and would not start. Battery was less than 6 month old. My not be your issue but was mine.

ironranger
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Re: 84 1200i No electrical power--zero

Post by ironranger » Tue Jul 02, 2019 3:13 pm

Thanks
Will keep the pulse generators in mind if it ever happens again.

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mkarnold
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Re: 84 1200i No electrical power--zero

Post by mkarnold » Thu Jul 18, 2019 10:18 pm

Please check your rectifier on the bike it does the same thing when going out. - Kathy
it is a small amount to replace.



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