You have to remove the coils, no trick there.
In most cars the spark plugs are situated under the bonnet, located towards the front of the vehicle.
You rock the engine forward to gain access to the rear plugs.
No.
No a standard 14g piercing will do the trick.
Ummmmmmm is this a trick question? I'd say five of the ten are not firing. Does this motor have electronic ignition? or does it have twin contact points? or single contact points? Twin Coils or single? More info required for diagnosis. (sorry, couldn't help the quip)
You can learn this trick easily. There have been several videos on youtube and rever explaining the secret. Just search it
This is a pain of a tune up but if you have any mechanical aptitude you can get it done. The 5.4 has what is called coil over plugs. You have to unplug the injectors (to get the wires and connectors out of the way) and unplug the coils. There is a small 8 mm bolt that holds each coil on. Take this bolt out. Now the coil will pull off just like a plug wire. Just use the spark plug socket and extension to remove the plugs. Since these plugs are recessed so far down it's a good idea to loosen them a turn the blow them out with compressed air to get any dirt and debris out. Take them out, put anti-seize on the new plugs and do everything in reverse order.
Here's an oscilloscope that should do the trick: http://www.picoauto.com/automotive-oscilloscope.html .
I've had the same happen with multiple cars. The trick is to try to turn the steering wheel just a tiny bit (it will be difficult because the steering has no power) while you turn the ignition. Usually the tug on the steering wheel will dislodge the steering wheel lock and free the ignition to turn. Once I learned this trick it saved me a few trips to the mechanic.
Is this a trick question ( as far as I know the last model year of the Ford Windstar was 2003 )
black, clack, crack, track, trick, trice, trite, write, white
That's a trick question...there isn't one. It's a distributor-less ignition system. It has 3 coil packs and and ignition module and are located right under the front exhaust manifold.