PULLING A TRAILER WHEN THE ABS & SLIP LIGHTS CAME ON, THEN THE SERVICE ENGINE SOON LIGHT CAME ON. AFTER GETTING TO THE CAMP SITE I LOOKED UNDER THE TRUCK AND FOUND THAT THE WIRING HARNESS HAD BURNED AND MELTED FUSING SEVERAL WIRES TOGETHER. THIS CAUSED ME TO HAVE NO ELECTRIC BRAKE CONTROL TO MY TRAILER. ALSO SOME FIRE DAMAGE TO THE UNDER FRAME AND OTHER PARTS OF VEHICLE...UPDATED 10/01/14 *BF