For a 4.0L V6 Ford Ranger, the spark plug wiring order is typically 1-4-2-5-3-6. The cylinder numbering starts from the front of the engine, with cylinder 1 on the driver's side. The firing order follows this sequence, so make sure to connect the spark plug wires accordingly to ensure proper engine function. For visual reference, consult a repair manual or online resources specific to your vehicle model.
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