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Second, assumptions about what dealerships did or didn't do are dangerous. I think Autozone stores will check batteries and alternators - you might want to take the car there. My armchair diagnosis is that you've got something in the car drawing electricity even when the car is off and it's killing your battery.
That may all be different with the new MyTouch interface but mustang doesn't get that yet.
So why don't you fully charge (slow charge) the battery overnight and then see how the car's computer likes that.
2006 mustang with pony package. my wife just had it washed 2 days earlier and an "intermittent" electrical issue occured yesterday!
The first time this happened car was under warranty and they replaced a "pillar" gasket seal to prevent water entering cabin area and trickeling down pillar to inside passanger kickplate (where this electrical connection that I found was showing moisture corrosion on terminals )-I have pictures of proof that i submitted to FORD-
Second time 1 1/2 years later,after heavy rain, happened again. Car was out of warranty. Ford said sorry, not covered. I cleaned terminal dry and worked for some time until yesterday.
This time, an Intermittent electrical issue on her car had a complete electical system shutdown and then it came back on! She had car washed 2 days earlier and was driving in a snowstorm on I-80 after work. Had car towed in town to investigate issue.
will keep you posted if same problem. ">
Thanks
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When i drive it around, though does not happen all the time, The head Lights start to Flash like a strobe light, along with the dash board lights. . It happened last night when I reved my rpms to 2700. And the time before that, When i had my music turned on really loud. The car did not completely Stall on me. It just seemed like a really big Power shortage or something.
I forgot to mention that the water which was built up under the cowling seeps into your interior filter dripping onto your smart box. You may at this time have to replace the junction box (avrg price about 700 +- dollars. If you dont have a full blown problem as of yet you might pull out the fuses and clean the prongs with a brush or try electrical cleaning fluid of sorts. Be careful which fuse you pull out or else you might end up reprogramming the vehicle. Hope this helps. If you owners dont have this problem ---- yet------ Check under your cowling just for the heck of it thus maybe preventing future electrical problems.
PARASITIC DRAIN
This is the first problem I have ever had with this car.
Does anyone know what might have caused this? It has been raining like cats and dogs all day. And what did I unplug and why did it make a difference?