Losing all voltage


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Herman F
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Losing all voltage

Post by Herman F » Tue Aug 14, 2018 4:52 am



I'm helping a friend who has a 1996 Honda GL 1500 and its loosing power (Voltage) after riding for a while...
The bike will die and nothing works. Nothing.
After a while setting it will start and run again for a while until it happens again....
Some times it will have to set overnight.
It sounds like a main circuit breaker to me. But all I can find on the internet as for as wiring diagrams only shows fuses not circuit breakers.
I know very little about Honda Goldwings. Any Ideas where to start looking.
Thanks
Herman



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Erdeniz Umman
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Motorcycle: 2000 GL1500SE

Re: Losing all voltage

Post by Erdeniz Umman » Tue Aug 14, 2018 5:02 am

Some possible problems could be;
Loose battery terminals,
Bad, corroded, melted pins of the relays and fuses in the relay-fuse box, don't forget to check 30A in the start relayA and dogbone fuse (hidden crack under the bolts?) near the battery,
Bad bank angle sensor,
Bad ignition switch,
Bad engine kill switch.

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virgilmobile
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Re: Losing all voltage

Post by virgilmobile » Tue Aug 14, 2018 10:31 am

When it's dead,measure the battery volts with the key on ..

Herman F
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Re: Losing all voltage

Post by Herman F » Wed Aug 15, 2018 4:57 am

virgilmobile wrote:
Tue Aug 14, 2018 10:31 am
When it's dead,measure the battery volts with the key on ..
And when it reads 12.4 volts where do I go from there?
These machines are complected and with all the compactness and plastic covering everything. they are no fun to work on.
I have not found a decent wiring diagram for just he ignition circuit, Nor location of components in said circuit.

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virgilmobile
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Re: Losing all voltage

Post by virgilmobile » Wed Aug 15, 2018 9:09 am

Step 2..with the key on and the bike dead..Check for volts on fuse #8..Use the frame for the meter ground..
If volts are there, remove and substitute relay#3 with another.Its the main power relay.
Don't turn off the key...We want to test for volts when the bike is dead.

Herman F
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Re: Losing all voltage

Post by Herman F » Wed Aug 15, 2018 1:49 pm

i found on this website a 1993 GL1500 A/SE/I Electrical Electrical Troubleshooting manual
On page 1-16 it shows the fuse and relay layout.On page 2-0 the power distribution . Does that look correct enough for me to work with?

Thanks
Herman

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virgilmobile
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Re: Losing all voltage

Post by virgilmobile » Wed Aug 15, 2018 2:04 pm

Yes.Same info I look at.
That relay is a common power problem area.This site has them in stock cheaper that the Honda brand named.

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virgilmobile
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Re: Losing all voltage

Post by virgilmobile » Wed Aug 15, 2018 2:10 pm

Also power distribution is kinda spread out over a couple pages.Especially 2-0..2-1..and 2-3...there you see the "tail/main"relay and the white wire power feed through the fuse.

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ct1500
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Re: Losing all voltage

Post by ct1500 » Wed Aug 15, 2018 6:12 pm

Follow the + battery cable to starter relay A to the right of battery. Mounted to relay A is a 30A fuse holder, check the wiring there for bad connections and melting especially if your friend has added electrical devices to the machine.
Local and need repair help with your 1500, Valkyrie or ST please click contact
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wingdings
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Re: Losing all voltage

Post by wingdings » Wed Aug 22, 2018 11:53 am

try this if your not sure !! where things are -




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