the 4.6L and 5.4L Ford V-8's and 6.8L V-10's have one coil pack for each cylinder or spark plug. You need to remove the 7mm hex head bolt and unplug the coil pack from the wiring harness, then remove the coil pack unit from the spark plug hole and do an ohm test that is the only way to test these.
http://www.automotivehelper.com/topic1054152.htm or Goole "ignition switch replacement 2001 regal"
ignition what? coil, swicth,module, lock cylinder? gm Jim
You can find ignition coil for a 2001 Blazer on http://www.made-in-china.com/products-search/hot-china-products/Ignition_Coil.html
Contact a locksmith.
$109.99 item#IG23401 at schucks.com
Begin by removing the retaining ring at the top of your 2001 Chevrolet Monte Carlo ignition switch. The ignition switch barrel will slide out. Remove the wiring harness from the end of the ignition switch. Reverse the process to install your new ignition switch.
take off the distributor cap see what you find.
To change the ignition lock cylinder in a 2001 Chevrolet Tracker, first disarm the air bag system. Then remove the clock spring assembly to be able to remove the old ignition lock cylinder and replace with a new.
The ignition switch is bad. Replace it.
Replace the coil.
will be either,ignition coil,,or module,,easy to replace
I would have the ignition itself replaced. These go out all the time and will leave you stranded. Get a new ignition keyed to your current key and you won't have to do programming. A locksmith can do this for you. Do it soon though before it stops turning.