First you need to know if they are both the same, they made a single over head cam and also made a duel over head cam motor! What ever you are putting must match the one coming out, unless you swap the head.
Now if you are working on a automatic and the car you are taking the motor out of is a 5sp. you will need to swap computers too. Other than that, yes they will swap.
The sunroof motor is in the headliner, above the motor switch You have to remove the sunvisors and pull down the headliner to see it
if you know what you are doing, a day.
http://youtube.com/watch?v=HeNcWZ6j96o
check out a viedo on youtube under richin06
Purchase your replacement part. Put a jack under the engine with a board to support the engine. Put slight pressure on the engine but no more. Remove the mount and replace. Lower jack.
Remove the inner door panel.See link below.
That depends on the model. Saturn made the SC, which was the "sports coupe", could be considered a sports car; and the Sky was definitely a sports car.
The starter solenoid is attached to the starter. When you replace the starter, you'll get a new solenoid.
See replated links below
You can not adjust the tone of the factory horn. You must replace the horn to get a different sound.
It appears so, since The Sunroof Doctor has a replacement motor that will fit 1996- 2002 SL models Sunroof Motor 1997-2002 Saturn SC (2 & 3 Door) 1996-2002 Saturn SL (4 Door) Special! New replacement motor available at this price until our stock is gone. You reuse your original connector or hard wire to your harness $81.55
8/1 is the stock rim size for a 1994 Saturn sc