CONSUMER ATTEMPTED TO START VEHICLE BUT IT FAILED TO DO SO. CONSUMER LIFTED UP THE HOOD AND NOTICED THAT MAIN WIRE TO STARTER CAUGHT ON FIRE. THE DRIVER WAS ABLE EXTINGUISH THE FIRE. CONSUMER HAD THE VEHICLE TOWED TO THE DEALER FOR INSPECTION, AND MECHANIC REPLACED THE IGNITION SWITCH DUE TO A WORN OUT RELAY SWITCH. *AK