[Mgs] Another Technical Question - Never Mind

[Osborne, Paul]

Jack, You just answered you own question. If you have installed a electronic ignition the you do not need the white/blk wire that went to the points contact on the side of the Distb.

Paul O



On Dec 5, 2018, at 2:20 PM, Jack Wheeler via Mgs <mgs at autox.team.net<mailto:mgs at autox.team.net>> wrote:

Thanks, Paul.  You are correct.  My only question now is, why do I have this white/black wire going to nowhere?  Both the oil pressure gauge and tach are working.  The white/brown wire was taken out of service (before I moved it to the oil pressure sending unit) either by a previous owner, or the mechanic who installed my electronic distributor.  I don't know much about electronic distributors, so I just had my mechanic order and install it.  Is it possible one of the two wires (white/black or white/brown) was made obsolete by installation of the electronic distributor?  Thanks.

Jack

On Wednesday, December 5, 2018, 3:42:04 AM EST, PaulHunt73 <paulhunt73 at virginmedia.com<mailto:paulhunt73 at virginmedia.com>> wrote:


The electric oil gauge _would_ respond to tach pulses, but in a
significantly different way to how it should respond.  But then the tach
wouldn't work - and that wouldn't respond to an oil pressure sender.  It
doesn't even begin to explain how - apparently - both oil gauge and tach
were working normally before the alt change, and both apparently are now,
having swapped over an apparently previously used white/back with an
apparently previously unused white/brown.

PaulH.

----- Original Message -----
> It shows the white with brown tracer as oil pressure gauge and white with
> black tracer as ignition coil contact breaker to distributor contact
> breaker, or distributor side of coil to voltage impulse tachometer..

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Paul Osborne
Department of Electrical and Computer Engineering
University of Rochester
201 Hopeman Building RC
Rochester, NY 14627

585-275-5226


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