Why are two towers from the same coil pack not firing?
Why are two towers from the same coil pack not firing? And so when you have 2 towers from the same coil pack not firing spark, it's usually due to one of two reasons: 1.) the coil pack is bad or 2.) the ignition control module (ICM) has fried internally and is not activating that specific ignition coil within the coil pack (although it will activate the others). What is the wiring diagram for a Ford Ranger? Wiring Diagram: The following wiring diagram may be of help: 1992-1994 2.3L Ford Ranger Ignition System Wiring Diagram. * Your specific Ford vehicle...