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<DIV><FONT size=2>Depends on the connections, and how they compare to the
3-prong original plug. </FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT size=2>If it has a 3-prong socket, with two large spades and one
standard spade, then it's probably plug-compatible. </FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT size=2>But higher output alternators often have an output stud and
you would need to connect that to the thick brown wire in your harness, and
ideally the standard gauge brown as well if you have one.</FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT size=2>The other question is whether it needs the ignition warning
light for excitation as per the original, and hence has a spade for it, or
whether it is self-exciting. If it needs excitation, and doesn't get it,
then you may well have to rev the engine to 3k or so to start it charging.
Once started it should then charge as normal down to about 600rpm, but you would
lose the diagnostics of the ignition warning light.</FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT size=2>More info on original types and wiring here <A
href="http://www.mgb-stuff.org.uk/electricstext1.htm#types">http://www.mgb-stuff.org.uk/electricstext1.htm#types</A></FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT size=2>PaulH.</FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
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<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
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<DIV>I have a Delco 63 amp alternator to install in a 1972 MGB. I
see lots of reference on-line but aren’t sure of the approach for
installation. Is there a best way?</DIV></DIV></BLOCKQUOTE></BODY></HTML>