Volvo RWD 444-544 Forum

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Gas Gauge Sending Unit Resistance?? 444-544

uid 25070's pic
posted by  Barongrey on  Thu Sep 23 04:41 CST 2004
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last visit: Wed Dec 3 15:46 CST 2008
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I pulled the sending unit out of my gas tank while trying to track down the reason for the inop gauge. I found the sending unit had been gutted; no windings, no arm, no float.

I'm not having any luck finding a stock Volvo replacement, but I can get a generic one if I can figure out the resistance of the original one.

The choices available are:

0-90 ohms

33-240 ohms

78-100 ohms

Anyine got a clue here? Or better yet, anyone got a spare stock sending unit?

Thanks!

Steve
SoCal








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    Gas Gauge Sending Unit Resistance?? 444-544

    uid 5098's pic
    posted by  Sil on  Sun Sep 26 02:19 CST 2004
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    last visit: Fri Oct 24 07:24 CST 2014
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    According to Haynes, resistance at the upper stop is 10 ohm and at the lower approximately 60-85 ohm in the 140 series. I couldn't find any reference in my 544 manual, but I suspect it's the same. The units look the same for 544s, 122s, and 140s except for the way they attach to the tank. Never looked at one from an 1800.
    Bob S.








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    Gas Gauge Sending Unit Resistance?? 444-544

    uid 5098's pic
    posted by  Sil on  Fri Sep 24 14:27 CST 2004
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    last visit: Fri Oct 24 07:24 CST 2014
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    I bought one for my "62 , i.e., 12V, 544 about two years ago at my local Volvo dealer's. Ipd has them, and so do most of the various parts dealers discussed on this board. Not cheap though!
    Bob S.







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    Gas Gauge Sending Unit Resistance?? 444-544

    posted by  Ron Kwas on  Thu Sep 23 16:38 CST 2004
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    last visit: Fri Oct 24 04:03 CST 2014
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    Steve:

    ...looks like it should be the second one...180 Ohms rings a bell...see also:

    http://www.volvoniacs.org/forum/thread.jsp?forum=31&thread=718&message=3810&q=tankgeber#3810

    also http://www.volvoniacs.net/vip/entry.jspa?entryID=41&categoryID=13

    ...if you want to slug your way through the German Forum...good info though!

    Cheers







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