Ignition System: Distributor

All models are equipped with TFI-IV ignition systems and no adjustments are required. The 3.0L SHO and 3.8L supercharged engines have a Distributorless Ignition System (DIS) which uses a crankshaft and camshaft sensor in place of a distributor.

Fig 1: Firing Order & Timing Marks (3.0L)

Fig 2: Firing Order & Timing Marks (3.0L SHO)

Fig 3: Spark Plug Wire Routing (3.0L SHO)

Courtesy of FORD MOTOR CO.

Fig 4: Firing Order & Timing Marks (3.8L Cougar & Thunderbird, Except Supercharged)

Fig 5: Firing Order & Timing Marks (3.8L Thunderbird Supercharged)

Fig 6: Spark Plug Wire Routing (Thunderbird Supercharged)

Courtesy of FORD MOTOR CO.