Mine did that for a few months.  Finally got around to replacing the
sender.  That fixed it.

JN

Jason Willenbrock wrote:
>
> hey all,
> this morning i did my usual warm on my 90 gl.  the temp gauge needle was
> sitting a little lower then the led light when i drove off.  as soon as i
> drove down the road at about 40 or so the temp gauge quickly went down to
> the lowest mark.  perplexed, i pulled over and while the van was idleing the
> temp gauge slowly came back up.  thinking it was nothing i drove again and
> sure enough the needle went right back down to nothing.  what is going on
> here?  my wire going into the temp sender, not the temp II, is not the best
> connection, but it is connected.  my water pump is also going bad.  what
> could this this be and how to fix?  how can i rebuild that wire connection
> at the temp sender?
> thanks
> jason
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