[s-cars] RX for Windshield Washers

[Fifield, Douglas]

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Oh Great and Powerful List,

I need clues on how to debug intermittent windshield washer system function.
Here's the deal:

Sometimes it works, sometimes it don't.  When it works, both the windshield
and the lights spray.  When it don't, neither spray.  Seems to work when
outside temp is warmer (in Minnesota, that means above 20 deg F).  After
sitting in the garage all night, they fire up OK, then fifteen minutes later
(at freeway speeds and ambient temps around -12 deg F) nada.  I had to open
the moon roof and squirt windshield with a water bottle to clear road gunk.

So, is it frozen nozzles or an electrical connection problem?  If it is
nozzles, why wouldn't the headlight squirters work?  Any BTDT's on this?

TIA,

Douglas in MN
95.5 //S6Avant - mine
98 Mercury Mountaineer - her work sled
98 Toyota RAV4 - for sale
73 BMW R60/5 - lonely in the garage