The front and rear reservoirs are the same one with two pumps, one front and one rear, on the left hand front skirt next to the air box. you will need to partly remove the left hand guard liner to inspect the pumps, hoses and wiring
It is the same reservoir as the front window washer.
The 2009 Ford Flex draws its rear washer fluid from the same reservoir as the front.
The 2000 Ford Expedition owners manual shows that the rear liftgate is supplied by the windshield washer reservoir - no is the short answer
According to the 2002 Ford Explorer Owner Guide the washer fluid for the rear liftgate is supplied by the same washer fluid reservoir as the windshield ( located in your engine compartment )
Starting with the 1997 Ford Explorer the rear washer fluid is supplied by the windshield washer fluid reservoir in the engine compartment
The rear washer fluid come from the windshield washer fluid reservoir on your 1999 Ford Expedition ( according to the owners manual )
The washer fluid for the liftgate is supplied by the reservoir for the windshield ( according to the owners manual )
same reservoir as the front washer located in front left side of engine compartment.
On a 1999 Ford Expedition : The washer fluid for the rear liftgate is supplied by the same reservoir for the front windshield ( located in the engine compartment )
Front reservoir serves both front and rear
The washer fluid for the rear liftgate is supplied by the same reservoir as your windshield ( located in the engine compartment ) on a 1999 Ford Explorer
On a 2001 Ford Explorer , the windshield washer fluid reservoir is in the engine compartment , on the passenger side of the engine compartment ( it is the compartment towards the rear and is also used for the rear window washer fluid )