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<div> <font size="3">I wish Randall a quick recovery as much as it can be. I am also saddened to hear about his father. John Young was a fine gentleman and I had the pleasure of meeting him on several occasions. I guess that's the penalty of a long life, you loose so many good friends.</font></div>
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<div><font size="3">Thanks for the update.</font><br>
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<div style="clear:both"><font size="4">Dave </font><br>
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<div style="font-family:arial,helvetica;font-size:10pt;color:black">-----Original Message-----<br>
From: andrew uprichard <auprichard@uprichard.net><br>
To: 'Bill Brewer' <billbrewer59@yahoo.com>; 'Triumphs List' <triumphs@autox.team.net><br>
Sent: Sat, Jun 27, 2020 7:06 am<br>
Subject: Re: [TR] Perplexing A-Type OD Problem<br>
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<div class="yiv6100358220MsoNormal"><span style="font-family:"Times New Roman", serif;color:#1F497D;">I recently went through FOUR aftermarket voltage regulators on a TR4. They came from different vendors and lasted anywhere from a few minutes to a few weeks. I sourced an original from Marv Gruber and it has worked fine ever since. What are the chances you could get your hands on a nice original solenoid?</span></div>
<div class="yiv6100358220MsoNormal"><span style="font-family:"Times New Roman", serif;color:#1F497D;"> </span></div>
<div class="yiv6100358220MsoNormal"><span style="font-family:"Times New Roman", serif;color:#1F497D;">Randall Young is in a rehab hospital (Kindred hospital in Pasadena) following a stroke. I have spoken to him several times and encouraged him to comply with the physical therapy as there were so many TRs waiting for his advice! It has been a bad year for him – his father died just a few months ago.</span></div>
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<div class="yiv6100358220MsoNormal"><span style="font-family:"Times New Roman", serif;color:#1F497D;">Andrew Uprichard</span></div>
<div class="yiv6100358220MsoNormal"><span style="font-family:"Times New Roman", serif;color:#1F497D;">Jackson, michigan</span></div>
<div class="yiv6100358220MsoNormal"><span style="font-family:"Times New Roman", serif;color:#1F497D;"> </span></div>
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<div class="yiv6100358220MsoNormal"><b>From:</b> Triumphs <triumphs-bounces@autox.team.net> <b>On Behalf Of </b>Bill Brewer<br>
<b>Sent:</b> Friday, June 26, 2020 10:00 PM<br>
<b>To:</b> Triumphs List <triumphs@autox.team.net><br>
<b>Subject:</b> [TR] Perplexing A-Type OD Problem</div>
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<div class="yiv6100358220MsoNormal">Hi Listers,</div>
<div class="yiv6100358220MsoNormal"> I was on a trip driving my TR3 that has a TR4 overdrive trans in it. The OD had been working fine and then suddenly nothing would happen when I threw the switch. I checked the relay with a test lamp and the C2 output terminal (yellow/purple wire) lights up fine but the solenoid wouldn’t actuate. I tested the solenoid (Moss – aftermarket) on my workbench and it seems to pull in fine. It probably only has 5,000 miles on it and looks almost new. I put it back in the car and it doesn’t actuate. I ran a new wire straight from the C2 terminal on the relay to the installed solenoid and it still doesn’t actuate, although I can move the actuation lever by hand. Evidently the solenoid is bad again. It seems like I go through OD solenoids fairly regularly. Randall (does anyone know how he is doing???) had me install a small “bounceback resistor” on the from the C2 output terminal on the relay to ground to eliminate bounceback voltage spikes. Any idea why I would be going through solenoids so regularly? I seem to change them out about every 10,000 miles.</div>
<div class="yiv6100358220MsoNormal"> Could it be a grounding issue for the solenoid? It seems like there would be plenty of electrical continuity from the transmission to the engine and chassis, so that shouldn’t be it.</div>
<div class="yiv6100358220MsoNormal"> Thanks in advance,</div>
<div class="yiv6100358220MsoNormal"> </div>
<div class="yiv6100358220MsoNormal"> -Bill Brewer</div>
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