If you get a) a green light with the sender lead (green) grounded, and b)
no light with it unplugged completely, the panel is almost certainly ok and
the problem is the sender.  If you don't, then it's probably the chip.

Yrs,
d

On Fri, Jul 28, 2017 at 4:04 PM, David McNeely <davmcneely40@gmail.com>
wrote:

> So David, My panel shows an amber light even with a full tank, not a green
> one.  I mentioned this a while back, and asked for explanation from anyone
> who might have one, but got no response.  Is this likely also due to a bad
> chip like you described?
>
> Thanks, mcneely
>
> On Fri, Jul 28, 2017 at 12:43 PM, David Beierl <dbeierl@attglobal.net>
> wrote:
>
>> Of course the LM324 is a 14-pin DIP, not 12-pin.  My head knew that but
>> apparently my finger didn't.
>>
>> :)
>> d
>>
>> On Fri, Jul 28, 2017 at 1:22 PM, David Beierl <dbeierl@attglobal.net>
>> wrote:
>>
>> > LM324N 12-pin DIP chip on that side has gone bad.  DigiKey has them for
>> > USD 0.50 in singles.  Any electronic parts place should have them.  For
>> > easy removal, clip the chip from its leads and remove them individually.
>> >
>> > https://www.digikey.com/product-detail/en/texas-
>> > instruments/LM324N/296-1391-5-ND/277627
>> >
>> > Yrs,
>> > d
>> >
>> > On Fri, Jul 28, 2017 at 12:47 PM, gilles.turmel <
>> > gilles.turmel@sympatico.ca> wrote:
>> >
>> >> À friend of mine has an 86 Westfalia, no light is showing from the
>> water
>> >> tank level sensor. The sensor was changed, no lights. Anyone has a
>> clue on
>> >> the problem. Best regards.
>> >>
>> >>
>> >> Envoyé de mon appareil Samsung de Bell via le réseau le plus vaste au
>> >> pays.
>> >
>> >
>> >
>>
>
>