<div dir="ltr"><div class="gmail_default" style="font-family:"comic sans ms",sans-serif;color:rgb(0,0,153)">TeriAnn ~</div><div class="gmail_default" style="font-family:"comic sans ms",sans-serif;color:rgb(0,0,153)"><br></div><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px"><div class="gmail_default" style="font-family:"comic sans ms",sans-serif;color:rgb(0,0,153)"><i>"<span style="font-size:12.8px;font-family:arial,sans-serif;color:rgb(34,34,34)">According to my Lucas1961 catalogue <b>78362D </b>is the optional heater </span></i></div><div class="gmail_default" style="font-family:"comic sans ms",sans-serif;color:rgb(0,0,153)"><i><span style="font-size:12.8px;font-family:arial,sans-serif;color:rgb(34,34,34)">switch for the Triumph TR3. takes knob 54332086."</span></i></div><div class="gmail_default" style="font-family:"comic sans ms",sans-serif;color:rgb(0,0,153)"><i><span style="font-size:12.8px;font-family:arial,sans-serif;color:rgb(34,34,34)"><br></span></i></div></blockquote><span style="font-size:12.8px"><div class="gmail_default" style="font-family:"comic sans ms",sans-serif;color:rgb(0,0,153);display:inline">I don't find a 78362D mentioned anywhere on the web.... at least not in </div></span><div><div><span style="font-size:12.8px"><div class="gmail_default" style="font-family:"comic sans ms",sans-serif;color:rgb(0,0,153);display:inline">the way of anything currently for sale....</div><br></span></div></div><div><span style="font-size:12.8px"><div class="gmail_default" style="font-family:"comic sans ms",sans-serif;color:rgb(0,0,153);display:inline"><br></div></span></div><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px"><div><span style="font-size:12.8px"><i><div class="gmail_default" style="font-family:"comic sans ms",sans-serif;color:rgb(0,0,153);display:inline">"</div>78405 is not a listed number for 1961<div class="gmail_default" style="font-family:"comic sans ms",sans-serif;color:rgb(0,0,153);display:inline">"</div></i></span></div><div><span style="font-size:12.8px"><i><div class="gmail_default" style="font-family:"comic sans ms",sans-serif;color:rgb(0,0,153);display:inline"><br></div></i></span></div></blockquote><span style="font-size:12.8px"><div class="gmail_default" style="font-family:"comic sans ms",sans-serif;color:rgb(0,0,153);display:inline">FWIW, these Lucas heater switches <i>are </i>available on eBay<i></i></div></span><span style="font-size:12.8px">.</span><br><div><span style="font-size:12.8px"><div class="gmail_default" style="font-family:"comic sans ms",sans-serif;color:rgb(0,0,153);display:inline"><br></div></span></div><div><span style="font-size:12.8px"><div class="gmail_default" style="font-family:"comic sans ms",sans-serif;color:rgb(0,0,153);display:inline">But, as Randall said in his email of a day or two ago:</div></span></div><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px"><div><span style="font-size:12.8px"><div class="gmail_default" style="font-family:"comic sans ms",sans-serif;color:rgb(0,0,153);display:inline"><i><br></i></div></span></div><div><span style="font-size:12.8px"><i>Stock TR3A is either 78262 or 78362 for (probably) post-60k. They take</i></span></div><div><span style="font-size:12.8px"><i>different knobs. 78362 is 2.5 ohms.</i></span></div><div><i><br style="font-size:12.8px"></i></div><div><span style="font-size:12.8px"><i>78384 is 5 ohms (per Lucas 400e master catalog),</i></span></div><div><span style="font-size:12.8px"><i>78405 is 15 ohms according to</i></span></div><div><a href="https://www.autoelectricsupplies.co.uk/product/815/category/153" rel="noreferrer" target="_blank" style="font-size:12.8px"><i>https://www.<wbr>autoelectricsupplies.co.uk/<wbr>product/815/category/153</i></a></div></blockquote><div><span style="font-size:12.8px"><div class="gmail_default" style="font-family:"comic sans ms",sans-serif;color:rgb(0,0,153);display:inline"><br></div></span></div><div><span style="font-size:12.8px"><div class="gmail_default" style="font-family:"comic sans ms",sans-serif;color:rgb(0,0,153);display:inline">Not really sure what to do for a new heater switch! What do people do if</div></span></div><div><span style="font-size:12.8px"><div class="gmail_default" style="font-family:"comic sans ms",sans-serif;color:rgb(0,0,153);display:inline"> their present heater switch fails for some reason? I can't see spending </div></span></div><div><span style="font-size:12.8px"><div class="gmail_default" style="font-family:"comic sans ms",sans-serif;color:rgb(0,0,153);display:inline">$140 for it from Moss </div></span></div><div><span style="font-size:12.8px"><div class="gmail_default" style="font-family:"comic sans ms",sans-serif;color:rgb(0,0,153);display:inline">(</div></span><font color="#000099" face="comic sans ms, sans-serif"><span style="font-size:12.8px"><a href="https://mossmotors.com/switch-rheostat-replacement?assoc=41693">https://mossmotors.com/switch-rheostat-replacement?assoc=41693</a><div class="gmail_default" style="font-family:"comic sans ms",sans-serif;color:rgb(0,0,153);display:inline">). </div></span></font></div><div><font color="#000099" face="comic sans ms, sans-serif"><span style="font-size:12.8px"><div class="gmail_default" style="font-family:"comic sans ms",sans-serif;color:rgb(0,0,153);display:inline"><br></div></span></font></div><div><font color="#000099" face="comic sans ms, sans-serif"><span style="font-size:12.8px"><div class="gmail_default" style="font-family:"comic sans ms",sans-serif;color:rgb(0,0,153);display:inline">Maybe Moss will tell me what the manufacturer's part number is for the </div></span></font></div><div><font color="#000099" face="comic sans ms, sans-serif"><span style="font-size:12.8px"><div class="gmail_default" style="font-family:"comic sans ms",sans-serif;color:rgb(0,0,153);display:inline">635-180 they sell....</div></span></font></div><div><font color="#000099" face="comic sans ms, sans-serif"><span style="font-size:12.8px"><div class="gmail_default" style="font-family:"comic sans ms",sans-serif;color:rgb(0,0,153);display:inline"><br></div></span></font></div><div><font color="#000099" face="comic sans ms, sans-serif"><span style="font-size:12.8px"><div class="gmail_default" style="font-family:"comic sans ms",sans-serif;color:rgb(0,0,153);display:inline">Dave</div></span></font></div><div><span style="font-size:12.8px"><div class="gmail_default" style="font-family:"comic sans ms",sans-serif;color:rgb(0,0,153);display:inline"><br></div></span></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sat, Nov 25, 2017 at 11:40 PM, TeriAnn J. Wakeman <span dir="ltr"><<a href="mailto:tjwakeman@gmail.com" target="_blank">tjwakeman@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div text="#000000" bgcolor="#FFFFFF">
<div class="m_3777231391610529508moz-cite-prefix">According to my Lucas1961 catalogue
78362D is the optional heater witch for the Triumph TR3. takes
knob 54332086<br>
<br>
78384 is for a Morris Minor. It takes knob 54331278<br>
78405 is not a listed number for 1961.<br>
<br>
TeriAnn<div><div class="h5"><br>
<br>
On 11/25/17 3:59 PM, Randall wrote:<br>
</div></div></div>
<blockquote type="cite"><div><div class="h5">
<blockquote type="cite">
<pre>So, I went to eBay and found heater rheostat switches for the Triumpoh as
either Lucas
P/N 78384 or 78405. Does anyone know: Are these essentially the same item?
Will either
one work on a TR3 heater?
</pre>
</blockquote>
</div></div><pre><div><div class="h5">
As usual, depends on your definition of "work".
Stock TR3A is either 78262 or 78362 for (probably) post-60k. They take
different knobs. 78362 is 2.5 ohms.
78384 is 5 ohms (per Lucas 400e master catalog),
78405 is 15 ohms according to
<a class="m_3777231391610529508moz-txt-link-freetext" href="https://www.autoelectricsupplies.co.uk/product/815/category/153" target="_blank">https://www.<wbr>autoelectricsupplies.co.uk/<wbr>product/815/category/153</a></div></div>
The higher resistance means you'll get less airflow (likely none at all for
the 15 ohm version) for any setting other than 'max'. But either of them
should give you "high" and "off", which are the only two setting I ever
found to be useful.
Neither appears to accept either of the stock TR3 knobs.
(I didn't check if they will fit in the same hole.)
-- Randall
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