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<div dir="ltr" data-setdir="false">Thanks to all who responded to my question. I was corrected on the fact that Triumph switched to negative ground when the TR-4A was implemented (1965). The TR-4 was still positive ground. But, the Roadster Factory lists the same part number for the TR-4 Generator (205939/AL) and the TR-4A, so my logic is still correct. Not that it applies to me, but I wonder if there is any difference when using this generator on a TR-4 verses a TR-4A?</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Thanks again.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Jack<br></div><div><br></div>
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<div><b>From:</b> fubog1 <fubog1@aol.com></div><div><b>To:</b> fot@autox.team.net <fot@autox.team.net>; Jack Wheeler <jwheeler1947@yahoo.com></div><div><b>Sent:</b> Saturday, November 18, 2023 at 10:06:20 AM EST</div><div><b>Subject:</b> Re: [Fot] Polarity Question</div><div><br></div>
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<div dir="ltr">Yes momentarily "flash"/put power to the genny field (small) terminal.</div><div dir="ltr"><br clear="none"></div><div dir="ltr">Glen Efinger<br clear="none"></div><div><br clear="none"></div>
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On Saturday, November 18, 2023 at 08:34:01 AM EST, Jack Wheeler via Fot <fot@autox.team.net> wrote:
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<div><div id="ydpc2079d65yiv6252598091ydpc2b01ec3yiv5243049157"><div><div style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px;" class="ydpc2079d65yiv6252598091ydpc2b01ec3yiv5243049157yahoo-style-wrap"><div id="ydpc2079d65yiv6252598091ydpc2b01ec3yiv5243049157ydp3c413691yahoo_quoted_1012030450" class="ydpc2079d65yiv6252598091ydpc2b01ec3yiv5243049157ydp3c413691yahoo_quoted"><div style="font-family:'Helvetica Neue', Helvetica, Arial, sans-serif;font-size:13px;color:#26282a;"><div><br clear="none"><div id="ydpc2079d65yiv6252598091ydpc2b01ec3yiv5243049157ydp3c413691ymsg85281" class="ydpc2079d65yiv6252598091ydpc2b01ec3yiv5243049157ydp3c413691ymsg9255194706"><div id="ydpc2079d65yiv6252598091ydpc2b01ec3yiv5243049157ydp3c413691yiv1678467058"><div><div style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px;" class="ydpc2079d65yiv6252598091ydpc2b01ec3yiv5243049157ydp3c413691yiv1678467058ydp264a8b52yahoo-style-wrap"><div dir="ltr">I just bought a new generator for my TR-3A. The Roadster Factory lists the same part number for the TR-3 generator and the TR-4 generator. However, the TR-3 was originally positive ground, while the TR-4 was negative ground. <span>Are these new generators set for positive or negative ground, or are they designed to handle either? </span>I changed the polarity of my car when I restored it years ago, so it is now negative ground.</div><div dir="ltr"><br clear="none"></div><div dir="ltr">My question is, do I need to polarize this new generator? If it is set for a negative ground, I'm afraid I might switch it to positive ground if I do that "flick" thing. The instructions Albert sent me said to run a wire from the battery terminal which feeds the solenoid (positive in my case), then flick it against the field coil terminal of the generator. OK, if I need to do this, which is the field coil terminal, the one on the side of the generator, or the large one on the end?</div><div dir="ltr"><br clear="none"></div><div dir="ltr">I don't want to do anything that will burn out my new generator or voltage regulator. Thanks for any help you can give me.</div><div dir="ltr"><br clear="none"></div><div dir="ltr">Jack Wheeler<br clear="none"></div></div></div></div></div></div>
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