Posted by rwp on December 17, 2007 at 18:26:58 from (208.100.207.157):
In Reply to: Re: 6-12 volt H posted by Janicholson on December 17, 2007 at 06:39:21:
My intent was to explain how engineers were mixed up in the past when they made everything positive ground and people just learning about electricity didn't understand. It may have been a bad example but as a kid I remember my dad getting shocks from the steel cages over the bulbs. I should mention that I am talking about 110 volts here. Another example is the old light fixtures were made for positive ground--not for a negative. If you look closely you can see the difference. Here is another example--you shine up the socket, touch it to the metal (which is positive), then take the wire and hook it up to positive, we know we have positive to positive, and the light won't work. But then we try to have a positive ground hooked up to a 6 volt system and we say we haven't done the full conversion. It is very hard to troubleshoot a system, which is all cobbled up. That is why I'm suggesting that you do the full conversion. I am really not saying the old system will not work because it probably has for the last 60 years. I am only saying there are better ways of hooking your tractor up, to save on costs and whether you have the polarity right. Yes you can save money. You can make sure you have your connections clean, your battery fully charged, and your generator and voltage regulator working.
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