<div dir="auto">Wow! So glad I asked ! I almost had a nasty oil gusher to deal with. This car will stay put in the garage until I can get a new switch and figure out the proper wiring. Thanks to all for the advice…. AND the warning!! 😲</div><div dir="auto"><br></div><div dir="auto">Dave</div><div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, May 24, 2023 at 8:42 PM <a href="mailto:tritriple@aol.com">tritriple@aol.com</a> <<a href="mailto:tritriple@aol.com">tritriple@aol.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div style="font-family:Arial,Helvetica,sans-serif;font-size:16px"><div></div>
<div dir="ltr">Replace the switch ...now.... before it blows out altogether. That happened to me on my TR7. The day after returning from Stowe, I took the TR7 to work, and when backing into my spot at the shop I noticed a very dark line of oil coming into and then following me to where I park. I open the hood and start the engine, oil is just gushing out of the sender.....If this had happened on the ride home the day before, I am pretty sure the engine would have been toast.... Oil light never came on this day.... The reason the light never came on was the wires were in the wrong place..... Now I have an oil light and the anti-run valve works !!!! See ya, John B. </div><div><br></div>
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On Wednesday, May 24, 2023 at 07:58:34 PM EDT, Phil Brzozoski via NET <<a href="mailto:net@newenglandtriumphs.org" target="_blank">net@newenglandtriumphs.org</a>> wrote:
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<div> <font size="2">For what it is worth - one of the three leads on that oil pressure switch provides ground for the anti-run on valve when you first turn off the engine. <br clear="none">
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<div style="font-family:arial,helvetica;font-size:10pt;color:black"><font size="2">-----Original Message-----<br clear="none">
From: Robert M Lang via NET <<a href="mailto:net@newenglandtriumphs.org" target="_blank">net@newenglandtriumphs.org</a>><br clear="none">
To: New England Triumphs <<a href="mailto:net@newenglandtriumphs.org" target="_blank">net@newenglandtriumphs.org</a>>; TR3 Triumphs <<a href="mailto:triumphs@autox.team.net" target="_blank">triumphs@autox.team.net</a>>; David Friedlander <<a href="mailto:forzion7@gmail.com" target="_blank">forzion7@gmail.com</a>><br clear="none">
Sent: Wed, May 24, 2023 3:58 pm<br clear="none">
Subject: Re: [NET] TR6 Oil Pressure Switch<br clear="none">
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Those sending units can fail several ways resulting in leaks. Worst case - remove it and put a 1/8 NPT plug in there (or any sending unit with 1/8 NPT threads - just to plug the hole).<br clear="none">
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Pay attention to the wires when you take them off. Else, there are detailed schematics on which wire goes where. The Dan Maters book shows details but don't assume that the wires go back to the same location. The terminals on the switch are labelled and you
have to wire to the proper terminal...</div>
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I have seen the sending unit blow the guts out. ALL the oil can evacuate the sump fairly quickly when that happens.</div>
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Good luck!<br clear="none">
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Bob Lang <br clear="none">
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<div dir="ltr" id="m_-3109686263278867301ydpdd0ede1fyiv4028711086divRplyFwdMsg"><font style="font-size:11pt" face="Calibri, sans-serif" color="#000000"><b>From:</b> NET <<a href="mailto:net-bounces@newenglandtriumphs.org" target="_blank">net-bounces@newenglandtriumphs.org</a>> on behalf of David Friedlander via NET <<a href="mailto:net@newenglandtriumphs.org" target="_blank">net@newenglandtriumphs.org</a>><br clear="none">
<b>Sent:</b> Wednesday, May 24, 2023 2:35 PM<br clear="none">
<b>To:</b> New England Triumphs <<a href="mailto:net@newenglandtriumphs.org" target="_blank">net@newenglandtriumphs.org</a>>; TR3 Triumphs <<a href="mailto:triumphs@autox.team.net" target="_blank">triumphs@autox.team.net</a>><br clear="none">
<b>Subject:</b> [NET] TR6 Oil Pressure Switch</font>
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<div>My ‘74 TR6 keeps ‘anointing’ my driveway… Sigh… I thought at first, that the oil pan gasket was leaking but that doesn’t seem to be the case. The oil pressure switch however (Moss 760-200, 3-lead switch), is pretty wet with oil, now that I’ve returned
from a short, 10-mile drive. Not to sound too terribly naive but, do oil pressure switches leak/give up the ghost like that? Anyone else have that problem?
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<div>Dave Friedlander </div>
<div>Maine</div>
<div>‘74 Six</div>
<div>‘59 Three A</div>
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