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<DIV>Intermotor coils were always of the lowest quality.</DIV>
<DIV> </DIV>
<DIV>
<DIV>In a message dated 06/11/2017 07:54:38 GMT Standard Time,
spridgets@autox.team.net writes:</DIV>
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<P>I have gone through a number of coils in the past few years. They may have
been faulty but........</P>
<P>Reading the Lucas repair manual carefully, I came across this "Test 6.
Voltage at <B>"-" </B>Terminal of Coil............4. A high resistance in
circuit from the coil to the <B>CB</B> on the distributor."</P>
<P>1. Manual was published in 1995 and is for negative earth cars, my car is
positive earth.</P>
<P>2. "CB" is not used on modern coils, they are "-" & "+". When I
connected my coil up "CB" = "+". <BR></P>
<P>This is where my question comes in. "CB" that was "+" in 1959 is now shown
in 1995 as "-". (Logical as the cars are now negative earth) <BR></P>
<P>Does it makes a difference? Were coils designed for positive earth? Am I
therefore running the coil backwards as I am using a coil designed for
negative earth?</P>
<P>Cheers,</P>
<P>Martyn</P>
<P><BR></P>
<P>PS: Standard Intermotor coils, yes I am aware of the Lucas Sport coil
problem, and I believe Lucas/Intermotor may have had an issue (Coils were
replaced over a 5 year period, so I would think I avoided the 'bad batch" if
such existed).<BR></P></FONT></BLOCKQUOTE></DIV></FONT></BODY></HTML>