Low washer fluid or defective sensor in reservoir
low washer fluid
It could on the bottom if the washer fluid reservoir - look there first.
The pump is screwed into the bottom of the washer fluid reservoir
It is located on the bottom of the fluid reservoir.
On 1994 it means low windshield washer fluid. On a 1995 in means Low Coolant Level.
you will have to get to were the fluid resivor is for the washer. it will be located at the bottom of the resivor. all you do is pull on it to relese it from the resivor.then unhook the tube runnin to it and replace with your new pump..
In the fuse box
To tell if the windshield washer sprayer is bad on a 1995 Saab 900 all you need to do is use it. If it streaks, drain and replace with new fluid.
Under the hood, passenger side base of the windshield.
its under the windshield washer fluid tank, its not that hard to see, it sits on it's side
There is most likely a sensor which moniters the fluid and renders the wipers useless when empty
by the light istself there is an ON/OFF switch.