The most common reason for any window washer malfunctioning is the washer fluid is low. Rear window washers can be more complex than front ones, so if the washer fluid is not the problem, it needs to be looked at by a mechanic.
The rear window washer is fed from the front window washer tank in the engine compartment
There are Two separate motors for your window washer one for the front one for the rear, they are both in the window screen washer bottle at the bottom.
If the rear window washer isn't squirting, check the fluid container. If there is fluid, the motor may be shot.
It is the same reservoir as the front window washer.
There is only window washer solvent container - it feeds both front and rear.
Please be more specific with your problem. Is the sprayhead stopped up with sediment? Does the wiper not work? What? There is no washer pump in the rear window. It is nothing more than a spray head that is connected by tubing to the same underhood washer pump that supplies the front windshield sprayers.
where is the rear windshield washer fluid kept ? where is the rear windshield washer fluid kept ?
There is no separate washer fluid reservoir for the rear washer. It all works out of the front reservoir.
Both washers work from the same tank under the hood.
its the same reservoir as the main washer
It is pumped in from the front washer reservoir.
The route of the window washer fluid hose from the reservoir to the rear window on a 1998 Blazer is through the headliner. If the leak is in the fender well it might be possible to splice into the line where it splits off to get to the window in the rear.