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| _Iain_ |
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 _Iain_ Banned

Joined: 01 Feb 2012 Karma :     
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 Posted: 01:06 - 08 Jun 2012 Post subject: Crashed GS500, no electrics. Why?? |
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Crashed the bike ('91 gs500-E)
Total electrical failiure when it came to assessing the damage, no lights, horn, indicators, dash backlights, no starter, absolutely bugger all.
https://i1148.photobucket.com/albums/o574/_Iain_/0341dd13.jpg
This is the cover i smashed up doing it, and all the bits inside were in place, and perfectly fine. Cover took the slide, however as it's related to the ignition im wondering if the lack of electrics is down to that paying a major part in the electrical system? As far as im aware it wasnt tried with the bits under that cover in place. Or is there some sort of inertia switch (think car fuel cut off) that kills the electrics if the bike goes down? Perhaps this needs resetting if it even exists, info required.
Battery and all leads are still connected as far as i could see when going over it when i took the photo's, a few smashed indicators, but no cables hanging out or nowt, no obvious damage to battery.
I had planned to go back at it today/yesterday, but by then the swelling & muscle damage kinda set in and i thought better of it.  ____________________ Please be aware that the above post may be full of complete nonsense.
Riding: '07 KTM Duke II, Baotian BT49QT-20 Driving: '88 Volvo 340 |
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| Casper |
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 Casper World Chat Champion
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| _Iain_ |
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 _Iain_ Banned

Joined: 01 Feb 2012 Karma :     
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 Posted: 02:10 - 08 Jun 2012 Post subject: |
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In order for a short to happen the indicators would have had to be turned on.
None of the loom has any damage, or is out of place.
And the only fuse i can find is on the starter solenoid, which again wouldnt have blown or even if it had wouldnt blackout the rest of the electrical. Only the starter.
https://i1148.photobucket.com/albums/o574/_Iain_/47717ec9.jpg
As you can see, if it had reached the loom then i'd have a flat headlamp bowl, and no clocks!
Batterys still making some kind of voltage, as the satnav chargers giving me a green light on the transformer box. ____________________ Please be aware that the above post may be full of complete nonsense.
Riding: '07 KTM Duke II, Baotian BT49QT-20 Driving: '88 Volvo 340 |
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| U_W v2.0 |
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 U_W v2.0 World Chat Champion

Joined: 07 May 2012 Karma :  
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 Posted: 03:13 - 08 Jun 2012 Post subject: |
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take a multimeter to the wires past the selenoid. if you have power feeding through then keep probing and see where the power stops.
you really do need to check your 20amp fuse from the starters selenoid though.
only other thing that hints towards a complete electrical failiure is the neutral switch. (read somewhere that the neutral switch can cause these symptoms)
oh and if the casing came off a key electrical part it could have shorted out while it was sliding so double check that main fuse.
dont know if you have one of these but heres a wiring diagram for a GS500e
https://www.gs500e.co.uk/wire.jpg ____________________ BCF's biggest cunt list: Cansa, Pits, Rob |
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| mysterious_rider |
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 mysterious_rider World Chat Champion

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| P.addy |
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 P.addy Red Rocket
Joined: 14 Feb 2008 Karma :  
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 Posted: 10:41 - 08 Jun 2012 Post subject: |
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| Vincent |
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 Vincent Banned

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| mysterious_rider |
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 mysterious_rider World Chat Champion

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| P.addy |
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 P.addy Red Rocket
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| Teflon-Mike |
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 Teflon-Mike tl;dr

Joined: 01 Jun 2010 Karma :    
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 Posted: 13:56 - 08 Jun 2012 Post subject: |
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| _Iain_ wrote: | And the only fuse i can find is on the starter solenoid, which again wouldnt have blown or even if it had wouldnt blackout the rest of the electrical. Only the starter. |
Wonderful bit of deduction Watson, but what you neglected to consider was how THICK those wires going to the starter are...
Do you really think ANY blade fuse would be up to carrying that kind of load?
No, THAT will be your 'main-fuse' and its on the solenoid, because that is where the main-loom t-'s in to take its power from the battery.
CHECK IT
Presumption is the mother of all fuck-ups.
Also check you have acid in the battery!
Batteries are vented. Bike goes over, electrolyte falls out!
As for the fuse being gone, because of broken indies? Well, yes, again wonderful logical reasoning Watson.... BUT..... how do you know you didn't knock switch as you went over? And what about any other possible shorts? under impact easy for a bullet connector to pull loose and touch earth; or for a wire to pull out, or be 'cut' by something pressing on it, like a bracket.
Hundreds of reasons the fuse COULD go you have totally ignored.
I know you are in pain, BUT.... this is simple stuff, that gets solved by logical reasoning and eliminating variables, not voodoo and guess work. ____________________ My Webby'Tef's-tQ, loads of stuff about my bikes, my Land-Rovers, and the stuff I do with them!
Current Bikes:'Honda VF1000F' ;'CB750F2N' ;'CB125TD ( 6 3 of em!)'; 'Montesa Cota 248'. Learner FAQ's:= 'U want to Ride a Motorbike! Where Do U start?' |
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| _Iain_ |
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 _Iain_ Banned

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| dransy |
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 dransy World Chat Champion

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| Teflon-Mike |
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 Teflon-Mike tl;dr

Joined: 01 Jun 2010 Karma :    
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 Posted: 15:24 - 09 Jun 2012 Post subject: |
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| _Iain_ wrote: | | Quote: | Do you really think ANY blade fuse would be up to carrying that kind of load? |
Depends, with a tiny little battery on it like that, and some of the stuff i've used those blade fuses on in cars? |
OK, I'l;l put it in technical terms for you.... highest rated 'standard' size blade fuse is 30A. Now go look at the guage of 30A rated wire. Its about 3mm thick solid copper, possibly 4/5mm thick multi-strand AT MOST... how thick are the wires coming from that battery? 8mm? 10mm, 15mm? Eben an 8mm multi-strand will have 4x the current carrying capacity of a 4mm... double the diameter, you quadrouple the area hence the current capacity. So that thick wire will be carrying something from 90A up....
Your starter motor will NOT be 'fused'... not unless you have very big fuck-off glass fuse like something out of a Frankenstein movie!
Little battery? Means nothing. Super-Dream 125's have a 9Ah battery, means 9A for one hour, or 90A for about six minutes....
Oh! That's about right! Conveniently that's about how long it takes to completely flatten the battery cranking the engine when it wont start! So starter mist be drawing something around 90A!
NOT going to go through a 30A fuse, is it?.... well.... not for long, anyway! ____________________ My Webby'Tef's-tQ, loads of stuff about my bikes, my Land-Rovers, and the stuff I do with them!
Current Bikes:'Honda VF1000F' ;'CB750F2N' ;'CB125TD ( 6 3 of em!)'; 'Montesa Cota 248'. Learner FAQ's:= 'U want to Ride a Motorbike! Where Do U start?' |
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Old Thread Alert!
The last post was made 14 years, 32 days ago. Instead of replying here, would creating a new thread be more useful? |
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