Lumina V6-191 3.1L VIN T MFI (1993)
Ignition Coil: Description and Operation
Typical Ignition Module Assembly
Three twin tower ignition coils are combined into a single coil pack unit. This unit is mounted to the ignition module. Each coil provides the spark for
two spark plugs at once simultaneously (waste spark distribution). All three coils can be replaced individually.
