in the tank
Yes
You can't...it's electronic.
If you are paying someone to do it: a 1994 Thunderbird SC V6 3.8L will cost about $1,800 if you live in Southern California. If you are doing it yourself: parts will be about $800.
passenger side kick panel
T-Bird SC are unibody cars...........
try a junkyard
you fix it
I believe that is 210 horsepower and 315 torque
5.5 Qts
According to my Chilton's Auto Repair Manual : For a 1989 Ford Thunderbird : 3.8 ( 21 U.S. gallons ) 3.8 SC ( 18.8 )
The ABS Control Module on a 1990 Ford Thunderbird is in the electronics tray in the trunk. It hangs from the rear speaker deck.