On the back of the distributor which is located on the top of the engine rear center, the ignition module (or TFI module as Ford calls it) has two screws bolting it to the distributor and one electrical connection, when you replace this you MUST use di-electric grease when installing the new one or it will fail due to excessive heat created by the engine.
Inside the distriburator after you remove the rotor button.
sounds like an ignition coil
On the V6 the ignition module is under the distributor cap.
to the right of the master cylinder on the driver's side fire wall
On steering column behind lower cover.
the ignition module can be in 1 of 2 places for that year and depending on the size of motor. it will either be on the side of the distributor or on the driver side fender. if it's on the distributor, it will be gray and have a plug in it. if it's on the fender, it will be a electrical box and have 2 plugs on it.
when you start the car up that's your ignition switch is located...
Replace ignition module (under the distributor cap)
timing is adjusted by the ignition module and feed back from sensors
O2 sensors are located in the manifolds & front pipes
It's underneath the coils. This link might help. http://www.autozone.com/az/cds/en_us/0900823d/80/15/c3/65/0900823d8015c365/repairInfoPages.htm
yes it has an e.c.m. also an ignition module and brake and suspention controller.