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Date:         Wed, 28 Jul 2004 22:23:47 -0400
Reply-To:     "Georgios A. Stylianides, PhD" <gstylia@TEMPEST.COEDU.USF.EDU>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         "Georgios A. Stylianides, PhD" <gstylia@TEMPEST.COEDU.USF.EDU>
Subject:      Re: 87 syncro water temperature sender
Comments: To: Hans Achter <hansform@HOTMAIL.COM>, drillock@EARTHLINK.NET
In-Reply-To:  <Sea1-DAV53CV4WR457y0000dfd3@hotmail.com>
Content-Type: text/plain; charset=us-ascii; format=flowed

dittos on Mark's description with one exception. The Temperature Sender to the Gauge has 2 wires (Yellow/Red, Brown) with two terminals and the Temp II Sender has 3 wires (2 white wires #10 & #48 and 1 brown wire) with two terminals. The Temp to Gauge is black & round and the Temp II is blue & square.

I had the exact same problem. My Temp Sender to Gauge was 20 years old and it got bad (leaking through). In my case, one of the terminals was half broken off too and they are not easy to find. I have an 86 vanagon.

The Temp Sender to Gauge is located 90 degrees straight forward from the Temp II on the thermostat. Make sure you change the o-ring too.

Check Busdepot.com with a picture at http://busdepot.com/details.jsp?partnumber=251919501

If it is not the Sender, it may be the Instrument Voltage Regulator/Stabilizer on the dashboard. http://busdepot.com/details.jsp?partnumber=357919803

georgios

--- It is a separate sender for the gauge. It is very small and threads into the lower metal half of the thermostat housing. It is difficult to see from the engine compartment. You need to lie on your back under the driver's side cylinder head area. The housing bolts to the front of the head, front being front of the car. The gauge sender is 1 wire, the Temp II uses 2 wires and is nearby. The same single wire sender is used on millions of other VWs from the early/middle 80s so they cost little and are easy to find. This info does not all apply to 2wd Vanagons, only Syncros.

Mark ---

Hans Achter wrote:

>Hi all, >My temperature gauge quit working and I am trying to figure out where it gets the signal from. I always thought that there was a temperature sender and the Temp Sensor II was a separate temperature sensor for the fuel injection. Does the Temp Sensor II also send the signal for the dash temperature gauge? >-Hans >87 syncro > > >


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