RoadVitals

2007 Ford Mustang Exterior lighting Problems

Owner-reported complaints naming the exterior lighting system, filed with NHTSA

Data refreshed

Exterior lighting reportsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
10
Latest Dec 26, 2025
Share of all reportsThis category as a share of every owner report on file for this model year. One report can name more than one component, so the categories overlap.
2%
of 615 total
Crash or fire reportedReports in this category whose submitter recorded that a crash or a fire occurred. The reporter's own answer on the NHTSA form, not a verified finding.
0
Injuries or deaths reportedTotals the submitters entered on their own reports in this category. Not verified by NHTSA and not a casualty statistic.
0

What this page shows

Reports naming headlights, tail lights, turn signals and other exterior lighting. Every record below is an owner-reported complaint about the 2007 Ford Mustang submitted to NHTSA — not a confirmed defect, not a recall and not a manufacturer bulletin. 10 reports on file name it.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Owner reports naming exterior lighting

Shown in the owner’s own words, exactly as filed

ElectricalExterior lightingVisibility
Filed Dec 26, 2025

The vehicle has experienced repeated and ongoing electrical system failures, including chronic battery drain that causes the vehicle to fail to start, erratic HVAC operation where controls do not function as intended, and persistent water intrusion into the doors and interior areas. The HVAC malfunction has resulted in the inability to properly defrost or defog the windshield while driving, significantly impairing visibility and creating an immediate safety hazard. These issues appear consistent with failure or corrosion of the Smart Junction Box (SJB) or related electrical control components. Replacement Smart Junction Boxes are unavailable through both Ford and aftermarket sources, preventing proper repair of the defect. The electrical instability and water intrusion present a risk of sudden loss of vehicle operability, impaired visibility, and unpredictable electrical behavior while the vehicle is in motion, creating a safety risk to the driver, passengers, and others on the road. The issues are recurring and reproducible.

NHTSA ID
11707092
Incident
Apr 28, 2023
EngineExterior lightingSuspension
Filed Dec 3, 2019

IM HAVING A HARD TIME WITH MY CAR TO GET IT STARTED. IT TAKES ABOUT A MINUTE TO START IT. I TOOK IT TO AUTOZONE TO GET IT CHECKED AND THEY GAVE ME THE REPORT ISSUE THE REPORT SHOWS: P0607 CONTROL MODULE PERFORMANCE. ALSO I BEEN HAVING TO REFILL COOLANT BOX MORE OFTEN I BEALEIVE IT HAS A LEAK. IAM VERY CONCERNED ITS MY ONLY CAR AND I HAVE 2 KIDS THAT I HAVE TO DRIVE TO SCHOOL AND DAYCARE.

NHTSA ID
11286667
Incident
Dec 1, 2019
Mileage
14,000 mi
Body & structureFuel systemExterior lighting
Filed Jan 7, 2018

STAFTY

NHTSA ID
11061046
Incident
Jan 9, 2017
ElectricalEngineExterior lighting
Filed Apr 17, 2017

TL* THE CONTACT OWNS A 2007 FORD MUSTANG. WHILE TURNING ON THE HEADLIGHTS, THE ENGINE STALLED. THE CONTACT STATED THAT THE VEHICLE COULD NOT BE DRIVEN WITH THE HEADLIGHTS ACTIVATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC, BUT WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND INFORMED THE CONTACT THAT THE VEHICLE WAS NO LONGER UNDER WARRANTY. THE FAILURE MILEAGE WAS 85,000.

NHTSA ID
10978798
Incident
Jul 1, 2016
Mileage
85,000 mi
ElectricalExterior lighting
Filed Apr 8, 2016

TL* THE CONTACT OWNS A 2007 FORD MUSTANG. WHEN THE VEHICLE WAS PARKED, THE CONTACT TURNED THE KEY BETWEEN THE ACCESSORY AND OFF POSITION AND THE ENGINE STARTED AND THE VEHICLE MOVED WITHOUT TOUCHING THE GEARS. ALSO, THE BRAKE LIGHTS, HAZARD LIGHTS, AND HEADLIGHTS FAILED TO ILLUMINATE. THE DEALER AND MANUFACTURER WERE NOT NOTIFIED OF THE FAILURES. THE VIN WAS UNKNOWN. THE FAILURE MILEAGE WAS 125,000.

NHTSA ID
10854477
Incident
Jan 15, 2016
Mileage
125,000 mi
Exterior lighting
Filed Sep 3, 2013

TL* THE CONTACT OWNS A 2007 FORD MUSTANG. THE CONTACT STATED THAT HE WAS INFORMED BY ANOTHER DRIVER THAT THE BRAKES LIGHTS WERE ILLUMINATED. THE CONTACT INSPECTED THE VEHICLE AND FOUND THAT WHEN THE CLUTCH WAS DEPRESSED, THE BRAKE LIGHTS ILLUMINATED BECAUSE THE BRACKET THAT CONNECTED THE CLUTCH AND BRAKE PEDAL STRETCHED ENOUGH TO CAUSE THE ILLUMINATION OF THE BRAKE LIGHTS. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 998. *JB

NHTSA ID
10538482
Incident
Aug 20, 2013
Mileage
998 mi
Body & structureElectricalExterior lighting
Filed Oct 18, 2011

WENT TO DRIVE MY 3 AND A HALF YEAR OLD MUSTANG TO WORK THE OTHER DAY AFTER A BIG RAINSTORM. NOTICED A MUSTY MOLD SMELL BUT ASSUMED IT WAS NOTHING. AS I DROVE MY CAR UP MY DRIVEWAY, (A SLIGHT INCLINE) GALLONS OF WATER SPILLED OUT FROM UNDER THE DASHBOARD ON THE PASSENGER SIDE BEHIND THE GLOVE BOX. USED A CARPET EXTRACTOR TO VACUUM UP OVER 2 GALLONS OF WATER (NO KIDDING, EMPTIED 1 GALLON EXTRACTOR TANK 3 TIMES) BROUGHT THE CAR TO THE DEALERSHIP WHERE IT WAS PURCHASED AND WAS INFORMED THAT THE CAR NEEDED A REPAIR THAT WAS OUTLINED IN A TECHNICAL SERVICE BULLETIN FROM FORD, BUT BECAUSE MY CAR WAS NO LONGER UNDER WARRANTY, I WOULD BE RESPONSIBLE FOR PAYING FOR THE REPAIR -AND THAT THE GEM MODULE NEEDED TO BE REPLACED AS THE WATER HAD POURED INTO AND DAMAGED IT. THE PRICE FOR THIS, NOT INCLUDING REPLACING THE RUINED CARPET AND PAD OR THE RUSTED SEAT MOUNTING BRACKETS WAS OVER $1100. IT SAYS RIGHT IN THE TSB FROM FORD THAT THIS ISSUE IS CAUSED BY GAPS IN THE SEALANT AROUND DRAINAGE GROMMETS INSIDE THE FIREWALL, YET SOMEHOW THIS IS THE CUSTOMERS PROBLEM??? RESEARCHING ONLINE I'VE ENCOUNTERED HUNDREDS OF HORROR STORIES FROM OTHER OWNERS WITH THE SAME ISSUE, BUT FORD HAS BEEN DENYING THIS SINCE AT LEAST 2005. (6 YEARS!!) THEY NEED TO BE FORCED TO RECALL THESE VEHICLES AS IT IS PAINFULLY OBVIOUS THAT THEY REFUSE TO DO SO VOLUNTARILY... THE 3 YEAR OLD VEHICLE IS NOW A MOLDY HEALTH HAZARD AND I'M TOLD THAT IT'S JUST A MATTER OF TIME BEFORE THE ELECTRICAL PROBLEMS BEGIN.THANK YOU FOR PROVIDING ME A FORUM TO VENT MY FRUSTRATIONS OVER MY "SWAMP BUGGY" AS I HAVE GOTTEN NO SATISFACTION ANYWHERE ELSE. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

NHTSA ID
10430656
Incident
Sep 20, 2011
Mileage
34,000 mi
Body & structureDriver assistanceElectrical+2 more
Filed Apr 17, 2011

2007 MANUFACTURING DEFECT: EXTENSIVE LEAKING OF WATER INTO ELECTRICAL COMPONENTS. CAUSING LIGHTS TO GO OFF,OR SOMETIMES GO ON WITHOUT SWITCHING ON, WINDOWS GO UP AND DOWN BY THEMSELVES, OCCASIONALLY MOTOR CUTS OUT ON HIGHWAY, CRUISE CONTROL OPERATES INTERMITTENTLY. EVENTUALLY THIS WILL ALSO RESULT IN PREMATURE STRUCTURAL DAMAGE. *TR

NHTSA ID
10396554
Incident
Dec 1, 2008
Mileage
8,500 mi
Exterior lighting
Filed Mar 2, 2010

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. *TR

NHTSA ID
10315557
Incident
Feb 10, 2010
Mileage
45,000 mi
Exterior lighting
Filed Apr 20, 2007

TL*THE CONTACT OWNS A 2007 FORD MUSTANG. THE DASHBOARD LIGHTS CONSTANTLY ILLUMINATED WHEN THE ENGINEWAS RUNNING. THE CONTACT ASSUMED THAT THE HEADLIGHTS ACTIVATED AT DUSK, BUT THEY WERE NOT ILLUMINATING. THE HEADLIGHTS DID NOT ACTIVATE AUTOMATICALLY. THE MANUFACTURER REFERRED THE CONTACT TO THE DEALER. HOWEVER, THE DEALER STATED THAT THE MANUFACTURER ADVISED THEM NOT TO REMEDY THE FAILURE. THE CURRENT AND FAILURE MILEAGES WERE 2,000. *AK

NHTSA ID
10188451
Incident
Apr 20, 2007
Mileage
2,000 mi

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

Other components reported on this vehicle

Categories with enough reports to have a page of their own

Elsewhere on this vehicle

Data sources

Data on this page last refreshed .