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Where would you find an Ignition wire diagram of which coil goes to plug on a 99 Ford Explorer 4.0L spark and also the torque required for each plug?

Ignition Wire Diagram

![99 Ford Explorer spark plug layout diagram](99_Frd_Expolrer_4Lt_coil_diagram.jpg)

Torque Specifications

* Spark plugs: 37 lb-ft (50 Nm)