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Date:         Sun, 24 Feb 2002 17:30:54 -0500
Reply-To:     David Beierl <dbeierl@ATTGLOBAL.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         David Beierl <dbeierl@ATTGLOBAL.NET>
Subject:      Re: 1987 Oxygen Sensor Wiring 2.1 liter Digifant MV engine
Comments: To: Robert Steven Fish <fish@SALZBURG.CO.AT>
In-Reply-To:  <007f01c1bd77$98419fc0$0100a8c0@MEDION1800>
Content-Type: text/plain; charset="iso-8859-1"; format=flowed

At 04:09 PM 2/24/2002, Robert Steven Fish wrote: >The wire appears to me, to be a format typical to "shielded-type" cable... >however I have never seen a shielded cable in a car before (I"ve seen it >often in cable TV coaxial cables, and RJ-45 network cables which need the >shielding from any external electromagnetic interference).

Now you have. <g>

>Anyway, this fat green "double" wire has a connector crimped onto the middle >"core" wire, which is at present, rather poorly wrapped around my existing >Oxygen Sensor wire.

I don't understand the statement. The normal connector is a female spade-lug on both harness and sensor wires, each with a flat molded rubber boot. They are joined by a molded plastic double-male which seals the boot on each end.

> And the outer "shielding" wire is simply peeled back, >and taped up with electrical tape. > >I cannot imagine that this is the correct way to handle this.

The clean way is to trim the shield braid off flush with the outer jacket, leaving a bit of the inner insulation sticking out. The important points are not to nick the inner conductor, and not to let the braid short to the inner conductor.

>Does anyone know the function of the outer wire of the O2 Sensor to Control >Unit wire?

It's a shield -- grounded and one end, floating at the other. It shields the part of the sensor wire that travels bundled in the harness with other wires.

>Does the OEM Oxygen Sensor come with a connector which uses BOTH of these >parts of the fat green wire??

Nope.

><º)))>{ <º)))>{ <º)))>{ <º)))>{ <º)))>{ <º)))>{

Nice fish!

david

-- David Beierl - Providence, RI http://pws.prserv.net/synergy/Vanagon/ '84 Westy "Dutiful Passage" '85 GL "Poor Relation"


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