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General Chat (Vincent Related)
Alton & electronic ignition
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<blockquote data-quote="Howard" data-source="post: 11919" data-attributes="member: 271"><p>This is not my strong point, but it occurs to me that the ammeter reading is the difference between what's being made, and what's being used, not just what's being made. So according to your readings your alternator is giving you 2-3 amps more than you're using, but your good battery is going flat. That raises another problem I wouldn't consider 12.05 volts to be too low on a 12 volt battery, so perhaps your ignition isn't all it should be.</p><p> </p><p>Check your wiring for anything using power that doesn't come from the ammeter, if your ignition (eg) is fed direct from the battery it may be using more than you're generating, but your ammeter could still show a 3 amp charge.</p><p> </p><p>You could check for shorts by removing the earth lead from the battery, and checking for any discharge when everything is switched off, but you don't say the battery goes flat when standing, so that's not likely.</p><p> </p><p>Check the current output from the regulator, if everything's going through the bike ammeter there should be a difference between this reading and the bike ammeter equal to what you're using.</p><p> </p><p>As I said, I'm no expert, just trying to be an extra pair of eyes, sometimes we get tunnel vision with on-going problems. </p><p> </p><p>I'd suspect the ignition. Let us know your findings.</p><p> </p><p>H</p></blockquote><p></p>
[QUOTE="Howard, post: 11919, member: 271"] This is not my strong point, but it occurs to me that the ammeter reading is the difference between what's being made, and what's being used, not just what's being made. So according to your readings your alternator is giving you 2-3 amps more than you're using, but your good battery is going flat. That raises another problem I wouldn't consider 12.05 volts to be too low on a 12 volt battery, so perhaps your ignition isn't all it should be. Check your wiring for anything using power that doesn't come from the ammeter, if your ignition (eg) is fed direct from the battery it may be using more than you're generating, but your ammeter could still show a 3 amp charge. You could check for shorts by removing the earth lead from the battery, and checking for any discharge when everything is switched off, but you don't say the battery goes flat when standing, so that's not likely. Check the current output from the regulator, if everything's going through the bike ammeter there should be a difference between this reading and the bike ammeter equal to what you're using. As I said, I'm no expert, just trying to be an extra pair of eyes, sometimes we get tunnel vision with on-going problems. I'd suspect the ignition. Let us know your findings. H [/QUOTE]
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Alton & electronic ignition
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