Go online to any auto parts store and look up the alternator for both the 1990 and the 1999. If the part number is the same you're good to go.
Inside the alternator.
Yes
Yes, it does.
Depending on which engine you have, an alternator could range from $140-195 (USD) at Autozone.com.
13.8 - 14.4 volts DC,13.82 with engine running and headlights on!
Autozone.com has the repair guide, including detailed & illustrated instructions for replacing the alternator on all 2000-2005 Ford Taurus / Mercury Sable. See "Related Links" below on this web page.
Mercury Sable was created in 1986.
Idle air control? Fuel pump? Coil?
mercury sable
If your alternator is good it should stay running until your engine dies from no fuel.
Most Ford alternators have an integrated regulator... it's inside the alternator.
where is the solenoid on a 2004 mercury sable