If your Ford Bronco has starting running very poorly, or stopped running entirely while showing symptoms of lacking spark, your Ford Bronco ignition coil is most likely the cause.
Any time the Ford Bronco ignition wires exhibits physical damage either to the ignition wire or the boots, the Ford Bronco spark plug wires should be replaced as preventative maintenance.
Ford Bronco Copper and Platinum Spark Plugs by Bosch, Denso and NGK. Replace the Ford Bronco spark plugs once a year for optimum vehicle performance and increased fuel mileage.