Question about 1999 Ford Explorer
When I try to operate either the front or rear windshield washer using the multifunction switch, the wipers operate but the pump does not run - no sound of the pump running either. When I connected 12 V directly to the pump, the pump runs. I have a Haynes manual for the vehicle, but it doesn't have a pump wiring diagram for anything past 1994. Any ideas? Is the wiring diagram for 1999 the same as 1994?
Also, the same pump is used for front and back washers. So what stops the washer fluid from spraying on the front window when I want to wash the back window and vice versa? Are there solenoid valves in each of the washer fluid lines to select where the washer fluid is delivered?
Since I don't use my fog lamps, I was thinking of using the fog lamp switch to operate the pump by re-routing the fog light power to the washer pump. Then I could turn on the wipers and clean the windows by momentarily operating the fog lamp switch. Will this work?
I really don't want to put any money into this vehicle, but I do need to have a windshield washer.
Thanks for any help
There is another small relay box just below the windshield washer reservoir about 11/2" wide x about 4" long the washer pump relay is in there
Posted on Jan 21, 2009
Reverse the hoses on the pump and use the rear window washer switch to wash windshield.
Posted on Dec 15, 2009
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Posted on Jan 02, 2017
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