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m zim 01-15-2008 03:33:37 69.104.76.114 28684 Report to Moderator	Can anybody tell me the reason(s)for a positive ground system? [Reply]  [Send Email]
JerryCPP(WA) 01-15-2008 12:37:44 71.252.64.50 28693 Report to Moderator	Re: ???? in reply to m zim, 01-15-2008 03:33:37   I'm sure Del will offer some insight on this, but when I was a pup (that's when 6-volt was king) I was told it was to help prevent battery cable terminal corrosion.   [Reply]  [Send Email]
Dennis Benson 01-15-2008 06:28:11 205.188.117.76 28690 Report to Moderator	Re: ???? in reply to m zim, 01-15-2008 03:33:37   I don't know why they did, but I heard it causes faster rusting of the vehicle. I don't even know if that is right either.   [Reply]  [No Email]
Kentb of SWMO 01-15-2008 06:03:24 162.39.190.199 28689 Report to Moderator	Re: ???? in reply to m zim, 01-15-2008 03:33:37   I think it was a hold over from EARLY electrical theory that thought that current flowed from positive to negative. Current really flows from negative to positive. Either system works and I do not know why Peterbilt still uses positive ground. Negative ground became more popular I think because MOST of you solidstate electronic use NPN transistor which mandate negative ground. Kent   [Reply]  [Send Email]