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Re: Regulating a Changed Polarity Car

To: Templer Andrew <andrew@server.uwindsor.ca>
Subject: Re: Regulating a Changed Polarity Car
From: "W. Ray Gibbons" <gibbons@northpole.med.uvm.edu>
Date: Fri, 15 Jul 1994 10:41:57 -0400 (EDT)
On Fri, 15 Jul 1994, Templer Andrew wrote:

> My lbc (definitely as large Brit cruiser) is a 1968 Wolseley 6/110 whose 
> C series BMC 3litre engine was set up for positive earth.  I successfully 
> changed this to negative earth (only having to replace the clock) but 
> have found that the voltage regulator is somewhat erratic.  This is the 
> standard volt reg of the period.
> 
> On initial starts, even after previous long runs, the ammeter shows 
> about plus 20, which does eventually settle down to about plus 4.
> 

This sounds normal to me.  How is it different from before you changed
polarity?  I assume you are concerned about the initial 20 amp reading
after a long run-- perhaps your battery is aging so that a start
significantly discharges it.  Someday I will invest the energy to really
understand voltage regulators.

Ray

   Ray Gibbons  Dept. of Molecular Physiology & Biophysics
                Univ. of Vermont College of Medicine, Burlington, VT
                gibbons@northpole.med.uvm.edu  (802) 656-8910





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