Here is the spark plug wire diagram for the 1997 Ford Explorer with the 4.0L V6 engine:
- Cylinder 1: Front left
- Cylinder 2: Rear left
- Cylinder 3: Front right
- Cylinder 4: Rear right
- Cylinder 5: Middle front
- Cylinder 6: Middle rear
The spark plug wires are numbered from 1 to 6, and they should be connected to the corresponding spark plugs in the order listed above.