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Fitting a battery to check lights only?

Technical help for Series one, two and three Lambrettas. Models include the Li, Li Special, TV, SX, GP, Serveta and API/SIL models

Fitting a battery to check lights only?

Postby Timexit17 » Mon Jan 19, 2015 2:55 pm

Hi: silly question and I'm kicking myself as I really should know such a simple answer hopefully!

Italian GP200 with electronic kit etc, no battery fitted.

I want to set up my SIP speedo for tyre circumference and I have a lighting issue to travel (nothing on rear light/brake light).

I don't want to have to run the engine just to sort this out (as it's stored in an alley).

So is it simply a case of wiring a battery directly to the regulator -if so which wire go's where?

Thanks for any help!
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Re: Fitting a battery to check lights only?

Postby Digger » Mon Jan 19, 2015 4:01 pm

Just take the live output wire from the regulator and stick it on the battery - earth the other terminal of the battery to the frame.
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Re: Fitting a battery to check lights only?

Postby Timexit17 » Mon Jan 19, 2015 4:23 pm

cheers Digger, I did realise it was this straightforward 5 minutes later but am currently full of this nasty flu bug going around so can hardly tie my laces at the mo!

thanks again
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Re: Fitting a battery to check lights only?

Postby coaster » Mon Jan 19, 2015 5:35 pm

Tim, it's a very good idea to put a fuse in line with the battery while you are testing just in case you put a short on, if it's a car or even an alarm battery there will be enough current available to fry your wiring in seconds :o Halfords do in line blade type fuse holders as do Maplin, use a 3 amp or lower fuse ;)
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Re: Fitting a battery to check lights only?

Postby Timexit17 » Mon Jan 19, 2015 6:25 pm

Cheers Coaster, will do, it's a rather knackered 12v scooter battery that didn't have enough guts to get Katies s125 starting any more so I've given it a charge and will use it as a tester!
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Re: Fitting a battery to check lights only?

Postby Digger » Mon Jan 19, 2015 7:53 pm

coaster wrote:Tim, it's a very good idea to put a fuse in line with the battery while you are testing just in case you put a short on, if it's a car or even an alarm battery there will be enough current available to fry your wiring in seconds :o Halfords do in line blade type fuse holders as do Maplin, use a 3 amp or lower fuse ;)


Ah yes - almost fried my TV3 the first time I fiddled around with it - so used to AC set-ups. :oops:
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Re: Fitting a battery to check lights only?

Postby kennystag » Tue Jan 20, 2015 6:14 pm

Hi,
Will this be the same to wire up on a sil gp.
Cheers
Kenny
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Re: Fitting a battery to check lights only?

Postby kennystag » Tue Jan 20, 2015 6:14 pm

Hi,
Will this be the same to wire up on a sil gp.
Cheers
Kenny
Skye
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Re: Fitting a battery to check lights only?

Postby kennystag » Tue Jan 20, 2015 6:16 pm

Hi ,
Sorry I should have said it is a sill GP 12 volt with points.
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Re: Fitting a battery to check lights only?

Postby Digger » Tue Jan 20, 2015 8:16 pm

Yes.
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Re: Fitting a battery to check lights only?

Postby kennystag » Tue Jan 20, 2015 8:48 pm

Thanks digger,
Can I leave the battery in full time to run my lights, when the engine is not running, and will it charge when she is running, taking a live feed and earth to the battery.
Cheers
Kenny
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Re: Fitting a battery to check lights only?

Postby coaster » Tue Jan 20, 2015 9:24 pm

kennystag wrote:Thanks digger,
Can I leave the battery in full time to run my lights, when the engine is not running, and will it charge when she is running, taking a live feed and earth to the battery.
Cheers
Kenny
Skye


Yes but you will need to do the full DC conversion using a Wassel single phase regulator/rectifier.
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Re: Fitting a battery to check lights only?

Postby kennystag » Wed Jan 21, 2015 11:05 am

Hi all,
Thanks for your replies. Can any of the nice people, tell me how to fit, and where i can get the parts to be able to fit a battery, and be able to charge from my sil GP.
Cheers
Kenny
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Re: Fitting a battery to check lights only?

Postby Toddy » Wed Jan 21, 2015 1:11 pm

kennystag wrote:Hi all,
Thanks for your replies. Can any of the nice people, tell me how to fit, and where i can get the parts to be able to fit a battery, and be able to charge from my sil GP.
Cheers
Kenny
Skye


A guide here

http://scooterotica.org/forum/viewtopic ... conversion
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Re: Fitting a battery to check lights only?

Postby grandpa » Wed Jan 21, 2015 4:41 pm

Hi Kennystag,
I used a 5 amp/ hr battery .If you don't have a battery tray you can bolt one to the underside of the air box.The wassell D.C mod is well worth fitting.I have separate inline fuses for lights, indicators and alarm.
Image
Image
Note right hand battery clamp thread lines up with hole in tool box enabling bracket to support weight of battery
Image
Note inline fuses. The relays are for simple alarm. SIL GP 12volt DC still with points.
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Re: Fitting a battery to check lights only?

Postby kennystag » Tue Feb 03, 2015 3:34 pm

Hi grandpa,
Thanks for taking the time to show me a really good idea. Do you by chance know how to do a leak down test.
Cheers
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Re: Fitting a battery to check lights only?

Postby Nelly » Tue Feb 03, 2015 3:52 pm

I did a quick post about a home made leak down tester here
viewtopic.php?f=6&t=2286

If you search the forum with the words leak and test other posts will come up, that's how I started with it.
I've since modified my tester to incorporate a pressure gauge, I'll post a pic of the new setup on that page above soon.
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Re: Fitting a battery to check lights only?

Postby grandpa » Tue Feb 03, 2015 9:59 pm

kennystag wrote:Hi grandpa,
Thanks for taking the time to show me a really good idea. Do you by chance know how to do a leak down test.
Cheers
Stag

Hi Kennystag
Have a look at this

viewtopic.php?f=10&t=140&p=524&hilit=cheap+leak+test#p524
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