From: Chris Brunner (cjbrunner@optonline.net)
Date: Thu Sep 01 2005 - 14:12:23 PDT
Does anyone else's CUCV fuel gage start at 1/4 tank (for full) and stop
(for empty) somewhere around the "unleaded" writing? Sounds like my
needle is twisted, but I can't figure out how it happened.
Chris
MV wrote:
>
> The good thing about having a GM product is that the gas tank gauge
> used of their older trucks was a standard resistance wise. If you are
> questioning the sender, you can pull it and test it or do the fill and
> empty thing to the tank to test it. I think the range is 0-90 ohms, 0
> being empty, 90 being full.
>
> Get a Ohm meter or multimeter and test the sender at full and empty
> positions. If that reads correctly, then you either have a wiring
> problem between the tank and the gauge or their is a bad connection
> between the two. I believe that on that truck, in the back of the
> gauge cluster that you can pull out from the front of the dash. That
> truck used a flexible wiring mat - sort of like a flexible printed
> circuit board. I have had problems with that setup where the harness
> plugs into the flexible mat. If that gets corroded at all, you could
> get some resistance build up which would throw off your gauge. That
> is the first thing I would check probably since you already replaced
> the sender.
>
> Also, here is a how to website to fix that problem.
>
> http://www.chevelles.com/techref/tecref18.html
>
> Dave
>
> Combat wrote:
>
>> I gotta admit I am stumped on this one guys.... New tank and sending
>> unit
>> with good grounds at the sender but it reads wrong (reads 7/8)..hmmm
>> take
>> the lead on the frame and ground it and the gauge reads 1/4 tank (about
>> right).......what?! Disconnect it totally and the gauge pegs.....
>>
>> anyone have ideas .....it seems that with new sender and tank it must
>> be the
>> gauge?
>>
>> anyone have a good gauge for a M1009?
>>
>> thanks in advance
>>
>>
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