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Date:         Sun, 24 Aug 2008 16:43:41 -0400
Reply-To:     David Beierl <dbeierl@ATTGLOBAL.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         David Beierl <dbeierl@ATTGLOBAL.NET>
Subject:      Re: Engine Temp Gauge has stopped working,
              what do I do to fix this?
Comments: To: Roger VanTill <motelvw@GMAIL.COM>
In-Reply-To:  <152e292b0808240425l301cbedfsd173226c9359c06c@mail.gmail.co m>
Content-Type: text/plain; charset="us-ascii"; format=flowed

At 07:25 AM 8/24/2008 -0400, Roger VanTill wrote: >Got the same problem after replacing the thermostat housing. Is there >a way to test the sensor? Wiring?

Turn the key on and *briefly* (few seconds) short the terminal to ground while someone watches the gauge for you. It should rapidly climb. If the 2.1l engines use a two-terminal sensor/connector for that, short the two terminals together. Be sure you have the gauge sensor, not the T-II input to the AFM.

If the gauge works, you have a dirty connection or bad sensor. If not, drive a common pin or sewing needle through the wire behind the connector and use that to ground it. If *that* works, you have a bad crimp or broken wire at the terminal (which doesn't rule out the other problems completely, of course).

If it doesn't work, ground the wire at the panel connector -- if *that* works you have an open in the wiring somewhere between panel and sender.

But since you've disturbed things at the back end, likely the problem is there.

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


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