NO!
The ingredients / additives are significantly different to meet the different needs of the systems.
Per a Ford technical service bulleting, use only Mercon V Transmission Fluid.
See "Related Questions" below for more
how to change preasure hoses for power steering how to change preasure hoses for power steering
You can't. The power steering is driven by the motor. If the motor stops, there is no power assist for the steering.
Yes, if you drive with the power steering empty of fluid and the motor locks up, it can actually rip the belt from the motor. You can damage belts and the steering motor if you drive with the power steering empty.
No. Put in power steering fluid.
There are a few "power motors" on a Windstar. Guessing the question might be referring to the window motor, see 'Related Questions" below for specifics about those...
Synthetic power steering fluid from the dealer only. Do NOT mix drugstore power steering fluid, ATF, or non-synthetic fluid in your steering system. Damage to the seals/gaskets could result in leaks.
Check and see if your power steering fluid level is low.
I paid $ 129.99 at the GM dealership for power steering flush & fill with synthetic fluid.
on a1995 ford windstar was running fine until power steering fluid leaked and foam up on to the engine
Mobil 1 synthetic ATF
The power steering reservoir in 1999-2003 Windstar is located in the back-left (passenger-side) corner of the engine compartment. Likely to be a white canister about 2 1/2" across with a black, screw-type cap.
there is no fluid, they are electronic power steering, which is an electric motor fitted to the steering column under the dashboard