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Later model MGB have ballasted ignition with a 1.5 ohm coil and a 1.5 ohm
ballast resistor. The third wire goes to the starter solenoid, so
the starter can bypass the ballast resistor and switch full battery
voltage onto the coil during crank starting.<br><br>
<br>
At 05:03 PM 7/26/2018 -0400, laf48@aol.com wrote:<br>
<blockquote type=cite class=cite cite="">Thanks Barney, but I have 3
wires on the distributor side, one to the points, and the terminal that
goes to the tachometer has a double wire connection, so 1 to the points,
1 to the tachometer, where does the other one go to, or do they both go
to the tachometer?<br>
Len </blockquote><br><br>
<blockquote type=cite class=cite cite="">-----Original Message-----<br>
From: Barney Gaylord <barneymg@mgaguru.com><br>
To: laf48 <laf48@aol.com>; mgs <mgs@autox.team.net><br>
Sent: Thu, Jul 26, 2018 04:27 PM<br>
Subject: Re: [Mgs] 1974 chrome bumper MGB ignition coil<br>
<br>
Two W/B wires there on one terminal, one from coil "-" to
distributor, and one from coil "-" to tachometer.<br><br>
See here: <br>
<a href="http://chicagolandmgclub.com/techtips/mgb/pdf/mgb_wd16.pdf" eudora="autourl">
http://chicagolandmgclub.com/techtips/mgb/mgb_wd.html<br>
</a>
<a href="http://chicagolandmgclub.com/techtips/mgb/pdf/mgb_wd16.pdf" eudora="autourl">
http://chicagolandmgclub.com/techtips/mgb/pdf/mgb_wd16.pdf</a>
</blockquote><br><br>
<blockquote type=cite class=cite cite="">At 03:01 PM 7/26/2018 -0400,
laf48--- via Mgs wrote:<br>
<dl>
<dd><font size=2>Good day Gents, on the distributor side of the coil is
the tachometer lead, and another wire on the same terminal, where does
the second wire go to? <br>
<dd>Thanks<br>
<dd>Len Fanelli<br>
<dd>Abingdon Performance LTD.</font>
</dl></blockquote></body>
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