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Posted

Right so plan to start work on my dads xj550 seca on friday, talkin to him today and he said that something is drainin the battery even though it is off.

he put a new battery in a while ago and they day after it was dead, this has happened to a couple of batteries...


any idea what could be draining the battery at all?

Dont wanna start work if its not fixable :/


Josh

x

Posted
Right so plan to start work on my dads xj550 seca on friday, talkin to him today and he said that something is drainin the battery even though it is off.

he put a new battery in a while ago and they day after it was dead, this has happened to a couple of batteries...


any idea what could be draining the battery at all?

Dont wanna start work if its not fixable :/


Josh

x

 

Is the battery off the bike?? if so and its draining, its fook'd,

if not take it off and get it on an optimate charger..


with the battery fitted, check that theres not power to anything, without turning the ignition on, check lights, horn, starting etc, could be you have a dodgy ignition or a bad earth.. hard to say with an old bike.. it's fixable, but with all electrical gremlins its perserverence in finding them, a multimeter will help, then you can measure amps/voltage across two points, or a simple electric screwdriver with a bulb inside and a short wire (a couple of quid) does the same job with out a reading.., just a light..

Posted

was a brand new battery fully charged, left onthe bike, next day it was dead :/


is there anything on the bike that will be able to drain the battery even if the bike isnt switched on? if you know what i mean


Josh

x


will need to get a new battery now anyway! :(

Posted

yes there is plenty of stuff that will drain the battery!


Has it got alarm? immobiliser?


you need to find the fault brfore using new battery or you'll fry that as well!

Posted
yes there is plenty of stuff that will drain the battery!


Has it got alarm? immobiliser?


you need to find the fault brfore using new battery or you'll fry that as well!

 

dont think it has any of those 2 :/ lol ill double check..

how will i check it without tryin it with a battery?


Josh

x

Posted

have you got a multi meter?


see if there's a short to earth, 1 of the battery leads should be connected to earth the other shouldn't.


if there's no alarm etc fitted then something else is draining the battery.


probably something shorted to earth that shouldn't be!


if you leave the new, fully charged battery connected for long it will drain that too

Posted

dad might have.. will ask him.


anyone know what the main things to check first could be?


Thanks and sorry im not a electrical man :P


Josh

x

Posted

presuming you have a meter:


first check that the earth lead is actually connected to earth, should be very low resistance.

then check the other lead to earth, should be very high resistance.


I would then go round all visible wiring/connections/lamps etc and look for obvious problems, corrosion etc.


if you have a fault showing on the meter then when you disturb the problem the fault will go away!


it's very difficult to tell someone how to do it :lol:


good luck!

Posted

:lol: I'm at sue's this weekend!


might have a spare hour or so saturday afternoon,

will bring my meter with me, let me know how you're getting on.

Posted
:lol: I'm at sue's this weekend!


might have a spare hour or so saturday afternoon,

will bring my meter with me, let me know how you're getting on.

 

when you finish his bike you can come and put the alarm on my bike lol

Posted

sorry me again, need to check something!


I surely need the battery connected to test with the meter? (dad does have one)


i havnt got a workin battry for the bike cos old one is dead as a dodo lol.


so i cannot do it?


thinkin i may jst not bother lol


Josh

x

Posted

you can do some tests without the battery!


put the meter on the resistance setting, (ohms), touch the leads together it should read zero and or buzz.

put 1 lead on a good earth on the bike frame,

put other meter lead on 1 of the battery leads, earth lead should be very low resistance or buzz again.

other lead should be very high resistance.

if it isn't you've got a short.


waggle lamps cables etc till short goes away, sorted! :lol:


I will check this thread on sat from sue's and come and have a look if you're still struggling

Posted

oh yeah lol :P your round this way if your at sues lol..


will let you know, but not knnowin much about the bike i not usre wherther its gonna be a project right now :( will let you know!


thanks for the offer matey, but im out saturday :/ at tthe girlfriends sorry!


THANKS! :D


Josh

x

Posted

i couldnt figure it out :/

im gonna see if a new battery does the trick, as old one might jst be toast!

where to get one? :/ lol never actually bought one


Josh

x

Posted
i couldnt figure it out :/

im gonna see if a new battery does the trick, as old one might jst be toast!

where to get one? :/ lol never actually bought one


Josh

x

 

Halfords

  • 2 weeks later...
Posted

bit of a bump, but due to money problems i dont wanna buy a new battery just yet and want to give this resistance checkin thing one more time..


we have a digital multi meter.


is someone able to find me or draw up some kind of connection diagram of what to do and what reading im looking for?


Sorry and thanks :)


Josh

x

Posted

josh i'm a bit busy at work tonight so haven't got a lot of time.


I have already tried to explain what to do,


just go through it methodically, you'll be ok. :lol:

Posted

understandable :)

right ive tried and this is what i got:


one lead on battery, one on the bike, earthed.


set the multimeter up..


was getting 0.00 at this point... wiggled(funny word haha) all the wires around, everything around the clocks, inside the headlamp, indicators, tail light, lifted the seat and every wire under there and yet no change at all.


then thought i set it up wrong so turned it down a setting and i was gettin 1.4/5 did same ting, wiggled all the wires and still no change. i am obv doin it wrong or there is no problem lmao!


Tryin to see if i can find someone with a spare battery to borrow.


thanks for your help rennie!


Josh

x

Posted

make sure meter is on ohms,

leads apart-high reading

touch leads together-zero.


get that right first!


disconnect battery!


test on ends of loose leads to earth, ( this means put 1 meter lead on a known good earth and then use other meter lead to test) 1 should be very low (connected to earth) confirm this!

the other should be high reading(not connected to earth) confirm this!


do above and come back to me, we'll get there in the end :lol:

Posted

right set up... apart shows 1 leads together 0.00


setup done!


one lead on earth.. other lead on one of the leads that connect to the battery and got 0.00


same lead on earth.. other lead on the other lead that connects to the battetry and got 1.


:D


Josh

x

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