Author Topic: Battery switch problem  (Read 808 times)

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#10

Offline blackgoff

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Re: Battery switch problem
Reply #10 on: 04 March, 2021, 12:20:19 PM
*Originally Posted by Paul2bikes [+]
Any news?
Checked the old and new batteries with Voltmeter and both are reading 12V, so clearly kill switch could be the problem

#11

Offline Sidewinder

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Re: Battery switch problem
Reply #11 on: 04 March, 2021, 12:24:58 PM
Also check the earth point bolt on top of gearbox.

#12

Offline Paul2bikes

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Re: Battery switch problem
Reply #12 on: 04 March, 2021, 12:25:23 PM
*Originally Posted by blackgoff [+]
Checked the old and new batteries with Voltmeter and both are reading 12V, so clearly kill switch could be the problem

A good battery should read 12.8v. If it's down to 12v, it's near to dead.
Also: '16 Tiger 800, '95 Yamaha Serow, '58 Ariel FH.

#13

Offline blackgoff

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Re: Battery switch problem
Reply #13 on: 04 March, 2021, 12:25:53 PM
*Originally Posted by Sidewinder [+]
No, kill only disables fuel and ignition so instrument backlights etc should still be on.

With ignition on does anything work?  Lights, horn, indicators etc.

Checked the 30amp fuse on solenoid?

Does the new battery have correct terminals, +ve towards rear?

Thanks. When I turn the key nothing comes on. I check the small fuse box on r/h of battery but all seem fine. Is solenoid fuse in there? Will check the earth point of gearbox too

And terminals are indeed correct way around.

#14

Offline blackgoff

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Re: Battery switch problem
Reply #14 on: 04 March, 2021, 12:27:57 PM
*Originally Posted by Paul2bikes [+]
A good battery should read 12.8v. If it's down to 12v, it's near to dead.

Sorry - old battery reading 11.99 and new battery 12.9

#15

Offline Paul2bikes

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Re: Battery switch problem
Reply #15 on: 04 March, 2021, 12:41:15 PM
*Originally Posted by blackgoff [+]
Checked the old and new batteries with Voltmeter and both are reading 12V, so clearly kill switch could be the problem

1st post you said you put the old battery back in & the ignition came on? But nothing with a fully charged battery, strange. Both battery connections clean & tight? I would say check main fuse if you hadn't had that sign of life with the old battery.

Also: '16 Tiger 800, '95 Yamaha Serow, '58 Ariel FH.

#16

Offline blackgoff

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Re: Battery switch problem
Reply #16 on: 04 March, 2021, 12:54:41 PM
*Originally Posted by Paul2bikes [+]
1st post you said you put the old battery back in & the ignition came on? But nothing with a fully charged battery, strange. Both battery connections clean & tight? I would say check main fuse if you hadn't had that sign of life with the old battery.

Yeah there was an initial spark when I put the battery in but nothing since, so a fuse blown could be the answer coupled with a knackered old battery. Where's the main fuse located, and how to check if it's ok (assuming it's one of the sealed/square fuses)?

#17

Offline Sidewinder

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Re: Battery switch problem
Reply #17 on: 04 March, 2021, 01:16:04 PM
A spark, you mean a spark of electricity when you connected the battery?

30amp fuse is in the solenoid unit rearwards of the +ve batt terminal, follow the big red cable to it.  Under a clear plastic cover, it's the big size type of the standard auto fuse.

I would also re-check all the fuses with a meter as a visual check doesn't always reveal a blown one.
Last Edit: 04 March, 2021, 01:22:27 PM by Sidewinder

#18

Offline blackgoff

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Re: Battery switch problem
Reply #18 on: 04 March, 2021, 01:37:51 PM
*Originally Posted by Sidewinder [+]
A spark, you mean a spark of electricity when you connected the battery?

30amp fuse is in the solenoid unit rearwards of the +ve batt terminal, follow the big red cable to it.  Under a clear plastic cover, it's the big size type of the standard auto fuse.

I would also re-check all the fuses with a meter as a visual check doesn't always reveal a blown one.

Thank you  :020: The solenoid fuse is indeed fooked (big break in middle) so will get a new one today and see if that cures her issues!

#19

Offline Sidewinder

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Re: Battery switch problem
Reply #19 on: 04 March, 2021, 02:37:04 PM
Great, we don't mind a mystery with a simple solution.  :001:

I can only think you touched something earthed with the positive battery feed while fitting it.