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Old 01-12-2006, 16:01   #1 (permalink)
h5n1
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washer sensor

I have a '90 Grand Marquis. When I use the washer/wiper manually I get
the "washer level low" warning on my dash even though the resevoir is
full.

Is this repairable?

Thank you.


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Old 01-12-2006, 18:01   #2 (permalink)
Backyard Mechanic
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Re: washer sensor

h5n1 <none@invalid.com> wrote:

> I have a '90 Grand Marquis. When I use the washer/wiper manually I get
> the "washer level low" warning on my dash even though the resevoir is
> full.
>
> Is this repairable?
>
> Thank you.


If that is the ONLY time it happens, then the problem is probably in a
faulty ground connection, near the pump.


--
Yeh, I'm a Krusty old Geezer, putting up with my 'smartass' is the price
you pay..DEAL with it!
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Old 01-13-2006, 15:01   #3 (permalink)
h5n1
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Re: washer sensor

On Fri, 13 Jan 2006 01:28:11 GMT, Backyard Mechanic
<pettyfog@yaywho.com> wrote:

>h5n1 <none@invalid.com> wrote:
>
>> I have a '90 Grand Marquis. When I use the washer/wiper manually I get
>> the "washer level low" warning on my dash even though the resevoir is
>> full.
>>
>> Is this repairable?
>>
>> Thank you.

>
>If that is the ONLY time it happens, then the problem is probably in a
>faulty ground connection, near the pump.



Thanks. Yes, it only happens when I push the switch in to use the
washer fluid.
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Old 01-13-2006, 16:01   #4 (permalink)
Mark Olson
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Re: washer sensor

h5n1 wrote:

> On Fri, 13 Jan 2006 01:28:11 GMT, Backyard Mechanic
> <pettyfog@yaywho.com> wrote:
>
>>h5n1 <none@invalid.com> wrote:
>>
>>> I have a '90 Grand Marquis. When I use the washer/wiper manually I get
>>> the "washer level low" warning on my dash even though the resevoir is
>>> full.
>>>
>>> Is this repairable?
>>>
>>> Thank you.

>>
>>If that is the ONLY time it happens, then the problem is probably in a
>>faulty ground connection, near the pump.

>
>
> Thanks. Yes, it only happens when I push the switch in to use the
> washer fluid.


I doubt it is a faulty ground. Look at the wiring diagram:

http://www.visi.com/~olsonm/windshield_washer.jpg

Almost certainly it is a shorted sensor. Pull off connector
C172 and if the light now does not come on with the pump motor,
the sensor is shorted. If it still comes on the short is in
the connector itself.

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Old 01-13-2006, 18:01   #5 (permalink)
h5n1
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Re: washer sensor

On Fri, 13 Jan 2006 17:24:26 -0600, Mark Olson <olsonm@tiny.invalid>
wrote:

>h5n1 wrote:
>
>> On Fri, 13 Jan 2006 01:28:11 GMT, Backyard Mechanic
>> <pettyfog@yaywho.com> wrote:
>>
>>>h5n1 <none@invalid.com> wrote:
>>>
>>>> I have a '90 Grand Marquis. When I use the washer/wiper manually I get
>>>> the "washer level low" warning on my dash even though the resevoir is
>>>> full.
>>>>
>>>> Is this repairable?
>>>>
>>>> Thank you.
>>>
>>>If that is the ONLY time it happens, then the problem is probably in a
>>>faulty ground connection, near the pump.

>>
>>
>> Thanks. Yes, it only happens when I push the switch in to use the
>> washer fluid.

>
>I doubt it is a faulty ground. Look at the wiring diagram:
>
>http://www.visi.com/~olsonm/windshield_washer.jpg
>
>Almost certainly it is a shorted sensor. Pull off connector
>C172 and if the light now does not come on with the pump motor,
>the sensor is shorted. If it still comes on the short is in
>the connector itself.



Thank you. Will do first thing in the morning. If the warning does go
away with the sensor unplugged I will just leave it that way. I do
regular maintenance and don't need a reminder for these things.
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Old 01-16-2006, 13:01   #6 (permalink)
h5n1
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Posts: n/a
Re: washer sensor

On Fri, 13 Jan 2006 20:27:13 -0500, h5n1 <none@invalid.com> wrote:

>On Fri, 13 Jan 2006 17:24:26 -0600, Mark Olson <olsonm@tiny.invalid>
>wrote:
>
>>h5n1 wrote:
>>
>>> On Fri, 13 Jan 2006 01:28:11 GMT, Backyard Mechanic
>>> <pettyfog@yaywho.com> wrote:
>>>
>>>>h5n1 <none@invalid.com> wrote:
>>>>
>>>>> I have a '90 Grand Marquis. When I use the washer/wiper manually I get
>>>>> the "washer level low" warning on my dash even though the resevoir is
>>>>> full.
>>>>>
>>>>> Is this repairable?
>>>>>
>>>>> Thank you.
>>>>
>>>>If that is the ONLY time it happens, then the problem is probably in a
>>>>faulty ground connection, near the pump.
>>>
>>>
>>> Thanks. Yes, it only happens when I push the switch in to use the
>>> washer fluid.

>>
>>I doubt it is a faulty ground. Look at the wiring diagram:
>>
>>http://www.visi.com/~olsonm/windshield_washer.jpg
>>
>>Almost certainly it is a shorted sensor. Pull off connector
>>C172 and if the light now does not come on with the pump motor,
>>the sensor is shorted. If it still comes on the short is in
>>the connector itself.

>
>
>Thank you. Will do first thing in the morning. If the warning does go
>away with the sensor unplugged I will just leave it that way. I do
>regular maintenance and don't need a reminder for these things.



I pulled off the connecter at the tank and the error went away, so the
short must be in the sensor as you said. I will just leave it off and
thanks again for the info.


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Old 01-16-2006, 18:01   #7 (permalink)
Mark Olson
Guest
 
Posts: n/a
Re: washer sensor

h5n1 wrote:

> On Fri, 13 Jan 2006 20:27:13 -0500, h5n1 <none@invalid.com> wrote:
>
>>On Fri, 13 Jan 2006 17:24:26 -0600, Mark Olson <olsonm@tiny.invalid>
>>wrote:
>>
>>>h5n1 wrote:
>>>
>>>> On Fri, 13 Jan 2006 01:28:11 GMT, Backyard Mechanic
>>>> <pettyfog@yaywho.com> wrote:
>>>>
>>>>>h5n1 <none@invalid.com> wrote:
>>>>>
>>>>>> I have a '90 Grand Marquis. When I use the washer/wiper manually I get
>>>>>> the "washer level low" warning on my dash even though the resevoir is
>>>>>> full.
>>>>>>
>>>>>> Is this repairable?
>>>>>>
>>>>>> Thank you.
>>>>>
>>>>>If that is the ONLY time it happens, then the problem is probably in a
>>>>>faulty ground connection, near the pump.
>>>>
>>>>
>>>> Thanks. Yes, it only happens when I push the switch in to use the
>>>> washer fluid.
>>>
>>>I doubt it is a faulty ground. Look at the wiring diagram:
>>>
>>>http://www.visi.com/~olsonm/windshield_washer.jpg
>>>
>>>Almost certainly it is a shorted sensor. Pull off connector
>>>C172 and if the light now does not come on with the pump motor,
>>>the sensor is shorted. If it still comes on the short is in
>>>the connector itself.

>>
>>
>>Thank you. Will do first thing in the morning. If the warning does go
>>away with the sensor unplugged I will just leave it that way. I do
>>regular maintenance and don't need a reminder for these things.

>
>
> I pulled off the connecter at the tank and the error went away, so the
> short must be in the sensor as you said. I will just leave it off and
> thanks again for the info.


I'm glad _someone_ is benefitting from my spending $17[1] on ebay for a
complete Ford manual set for the 1985 Town Car/Grand Marquis/Crown Vic.

[1] That's only $8 less than I paid for the whole car...


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