Has the 2006 V6 mustang electrical problem been found by Ford or anyone?????

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Asked by garyy0ung Aug 30, 2015 at 04:39 PM about the 2006 Ford Mustang GT Deluxe Convertible RWD

Question type: Maintenance & Repair

Has the cause for the 2006 Electrical problem (dead battery & alternator) in the 2006 Mustang been found????

7 Answers

100

http://www.autopartscheaper.com/SearchResults.asp?Search=mustang+smart Common Symptoms of a bad SJB. (this is a broad range of symptoms, your vehicle may only experience one or more symptoms at a time). • One or More Brake lights is stuck on at all time. • Battery Drains Quickly When Car Sits for a few days • Headlights are on bright all the time. • Turn Signals or parking lights are stuck. • Power Windows do not work • Instrument cluster malfunctions • Dash lights quit working. The original Smart Junction Box installed in these Mustangs had 2 major problems. Problem 1: The windshield leak problem. These cars had a bad seal from the factory that allowed rain to drip down on the bottom of the windshield. The water leaks directly into the SJB box, and ruins it. Problem 2: Poorly engineered part when the car was new. These circuit boards were poorly

7 people found this helpful.
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• Trying to find out if this is a true statement or scam to buy a new SJB • 2005 Ford Mustang Smart Junction Box: Electrical Problem … 2005 / 06 Ford Mustang Smart Junction Box: Electrical Problem … Electrical problem 2005 Ford Mustang 6 cyl Two Wheel Drive Automatic 46000 miles What is a Smart Juntion box, What does it do and can I replace it myself. Title: NEW OEM SMART JUNCTION BOX 2005-2006 FORD MUSTANG CONVERTIBLE #5R3Z-15604-GA Description: Brand new OEM Smart Junction Box that is a direct factory replacement for the 2005-2006 Ford Mustang Convertible. Part Number: 5R3Z-15604-GA Applications: 2005-2006|Ford|Mustang This Module Must be programmed by a local shop in your area. The vehicle must be present for proper programming. The Shop Will download the codes into your new module. The module will not work correctly until this is done.

3 people found this helpful.
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Gary, as to my knowledge, NO, Ford has done nothing about this. I have a '06 GT and it won't keep the battery charged. When going to start it, it seems to hesitate. I have cleaned the terminals, replaced the battery, alternator and starter and still the same damn thing. It was recommended to me in another related question in here to install a grounding wire (strap) between the negative post of the battery and on a mounting bolt of the alternator, which I did and still the same thing persists. So, we are all the in same boat as it comes to this problem with 05-07 Mustangs and draining power. Good luck.

6 people found this helpful.

ya I have similar problems and am told it is the smart junction box , my problems are more related to power options like lights ,headlights, tail lights signal lights, brake lights, power windows ,door locks, trunk lock … the lights problem is a real safety issue. on july9th 2019 my wife and I were on our way home and all the light went out on a dark turn , could not see shit , I hit the shoulder of the road and turned the steering wheel the other way and when the light came back on I was on the wrong side of the road , great experience, and our local Ford dealer says they never heard of such problems , ya really, but for $100.00 per hr. they would have a look at it . by the time they find it would be probably be cheaper to buy a new Camero , HEY FORD , DEAL WITH YOUR SAFETY ISSUES YOU BUNCH OF LYING CROOKS , MAKERS OF LEMONS AND RUST BUCKETS, ……………. pissed of owner , oh and the car has never been winter driven

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I’m on my second SJB for my 06 GT convertible in three years!

1 people found this helpful.

I can't tell you the problem but I can tell you a cure. I bought a 2006 Mustang GT convertible with the Shaker 500 radio new and have had years of battery issues, even new batteries. I've read hundreds of blogs looking for a solution and the only thing that has worked is I removed fuse #56, which controls the radio and have not had a problem in almost one full year. It's a pain replacing the fuse when I want the radio but easier than jumping or replacing the battery. I even had a new battery go dead in 4 days after sitting in the garage. Several people said the radio/CD changer would come on when the car was parked and not in use. I promise this works. Just pull fuse 56 for the radio.

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