HOW do I test this?

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HOW do I test this?

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Eliot G. Clemons III

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Since: Jul 30, 2006
Posts: 3

(Msg. 1) Posted: Thu Aug 03, 2006 5:03 am
Post subject: HOW do I test this?
Archived from groups: alt>autos>isuzu (more info?)

How do I test an oil pressure switch for my 86 trooper. PSI range? normaly
open or closed? I bought a new one and think it's bad....

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yarddogg02

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Since: Jul 30, 2006
Posts: 5

(Msg. 2) Posted: Fri Aug 04, 2006 9:45 pm
Post subject: Re: HOW do I test this? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

do u have a gauge or idoit light?

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Eliot G. Clemons III

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Since: Jul 30, 2006
Posts: 3

(Msg. 3) Posted: Sun Aug 06, 2006 11:31 am Post subject: Re: HOW do I test this? [Login to view extended thread Info.] Archived from groups: per prev. post (more info?)

Both, the light stays on and the gauge reads normal oil pressure (starts out high then as the engine warms up it comes dn a little) "yarddogg02" <rumn4gd DeleteThis @yahoo.com> wrote in message news:34c5dec87f3198e0bae7d06f38c14184@localhost.talkaboutautos.com... > do u have a gauge or idoit light? > > >> Stay informed about: HOW do I test this?

GreenGas

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Since: Sep 21, 2005
Posts: 54

(Msg. 4) Posted: Mon Aug 07, 2006 11:20 pm Post subject: Re: HOW do I test this? [Login to view extended thread Info.] Archived from groups: per prev. post (more info?)

They are normally closed and pressure opens them. The light comes on because it grounds through the switch. If you have a guage and a light, you could simply disconnect the light wire from the switch and use the guage only, but most vehicles these days use a sender (potentiometer) to give the gauge (really an ammeter) a reading. If you really want accuracy, install a real gauge with a line from the oil gallery into the passenger compartment. "Eliot G. Clemons III" <eliotclemons.DeleteThis@mosquitonet.com> wrote in message news:44d1f41e@news.acsalaska.net... > How do I test an oil pressure switch for my 86 trooper. PSI range? normaly > open or closed? I bought a new one and think it's bad.... > > >> Stay informed about: HOW do I test this?

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