One problem related to turn signal has been reported for the 2007 Ford Mustang. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2007 Ford Mustang based on all problems reported for the 2007 Mustang.
2007 Ford Mustang-v-6, the section junction boxes and computer,wiring harnesses have leaks that are caused by a known flaw in the design of grommets from the door and drain holes which drip into and short out the electrical systems and lights and abs components. All lights go out. All inside instruments shut down. 800. 00 to repair. Ford has a TSB but will not assist. It causes major problems rear defroster and wipers. Alot of 2005-2009 Mustangs have the same or will have the same problems. I did not have any brake lights, or turn signals. I had people run into the back because they did not see my signals. Which quit working totally. I did not know.