These days most, if not all, spark plugs come pre-set. If you get the right ones there is no need to check the gap, you just fit them.
they should just pull off the only reason they may be stuck on is that ther have melted on to the spark plug try twisting and pulling
On a 1974 Lincoln Continental Mk IV, the horn button is located in the center of the steering wheel. It is integrated into the steering wheel hub and typically features the Lincoln emblem. Pressing the center of the wheel activates the horn.
It takes 2.2 lbs
Remove the door panel and then you get access to the speaker
It appears that you have a Ruger Mk I, manufactured in 1978.
In the trunk there is a trap door on the drivers side with the on off button.
The Lincoln MK VIII series ( '93-'98 ) were rear wheel drive.
Centre console behind plastic cover pull rearward
MK stands for Mark, The word mark, followed by number, is a method of designating a version of a product. So MK IV translates into Mark 4
Mark (MK) + Sedan (S) = MKS
it could do