Date:         Tue, 6 Jul 2010 18:36:48 -0700
Reply-To:     Scott Daniel - Turbovans <scottdaniel@TURBOVANS.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Scott Daniel - Turbovans <scottdaniel@TURBOVANS.COM>
Subject:      Re: adding resister to center 1.9 coolant temp gauge?
Comments: To: David Beierl <dbeierl@ATTGLOBAL.NET>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
              reply-type=response

nice.
gonna save this info too.
Scott
----- Original Message -----
From: "David Beierl" <dbeierl@ATTGLOBAL.NET>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Tuesday, July 06, 2010 5:54 PM
Subject: Re: adding resister to center 1.9 coolant temp gauge?


> At 07:57 PM 7/6/2010 Tuesday, Paul Guzyk wrote:
>>I'm thinking of adding a resister in series with the new temp sensor
>>to get the needle back in the middle.
>
> With a resistor you can get it to read correctly in *one* place.  The
> farther the needle gets from there the more inaccurate it is.
>
> On a properly calibrated gauge, being fed its correct 10.0 volts, 265
> ohms to ground will make it read at the bottom edge of the
> "transition zone," and 35 ohms will make it read just at the
> beginning of the overheat zone, and will start the blinker going.
>
> Yours,
> David