Regal V6-231 3.8L VIN L SFI (1990)
Spark Plug Wire: Locations
Identifying Ignition Types I and II
Type 1 And Type 2 Coil Identification
On type I coil packs, three twin tower ignition coils are combined into a single coil pack unit.
On Type II coil packs, the coils can be replaced separately and the ignition wires are all on the same side of the coil pack.