se7ensport
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| posted on 22/3/12 at 07:36 PM |
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Denso alternator testing
I have a used Edge Caterham alternator on my Duratec, it looks just like a Nippon Denso one from a Chirade.
I can't get the ignition light to come on when not running, I have it wired correctly i.e. switched ignition+ to one side of the warning light,
the other side to the lamp output on the alternator. And another switched ignition+ to the ign+ input on the alternator.
I thought I may have connected the wires around the wrong way during the build so contacted Cambridge Motorsport parts who suggested I could have
killed the regulator, so i bought and fitted a new one tonight, yet the problem persists.
What tests can I do to check the alternator and regulator?
Cheers
Alex
ps connecting the warning light straight to earth does illuminate it!
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JAMSTER
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| posted on 22/3/12 at 07:54 PM |
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any help
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blakep82
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| posted on 22/3/12 at 07:59 PM |
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what kind of warning lamp? not an LED one is it? you need a filament bulb (at least somewhere) to give the right load.
if led, it might not be letting the current the right way, as they are diodes
________________________
IVA manual link http://www.businesslink.gov.uk/bdotg/action/detail?type=RESOURCES&itemId=1081997083
don't write OT on a new thread title, you're creating the topic, everything you write is very much ON topic!
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se7ensport
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| posted on 22/3/12 at 07:59 PM |
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Wired exactly as type 1 and instructions: http://www.cambridgemotorsport.com/shop_product.cfm/product_id/8149
Just been playing with it again and using an LED between the ignition and the lamp output will illuminate, everything I've read before implies
that an LED shouldn't work?!
The dash lamp I'm using worked fine with the Pinto alternator.
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Mr G
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| posted on 22/3/12 at 08:03 PM |
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www.locostbuilders.co.uk/viewthread.php?tid=115173
Normal is getting dressed in clothes that you buy for work and driving through traffic in a
car that you are still paying for - in order to get to the job you need to pay for the clothes
and the car, and the house you leave vacant all day so you can afford to live in it.
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se7ensport
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| posted on 22/3/12 at 08:31 PM |
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Thanks for the info, will have a further play tomorrow.
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se7ensport
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| posted on 23/3/12 at 08:10 PM |
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Looks like the alternator is dead; I'm not seeing any voltage increase with reving the engine and the lamp output remains at zero vaults when
the engine is running.
As I'm reluctant to pay £200 for a replacement Edge alternator I'm looking to find an alternative, the Charade looks a promising start,
but the main battery lead comes in the wrong side so re-caseing it could be an option.
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