Discuss '07 wont start but battery is good. on AllFordMustangs.com, the place for Mustang enthusiasts.
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I have a 2007 mustang GT premium convertible with the 4.6l V8
I normally drive it everyday but broke my foot so it sat barely a week, tried to start it and just a clicking noise and you can hear the car trying to turn over, I went to Advanced Auto and had the Battery, starter and alternator checked and everything came back fine. so he charged the battery because it was low and the same thing happened the next morning. but when I jump it with my Jeep, its an instant start up. I've heard of a few people in the forums say the 2005-2009 mustangs have this problem due to the radio(have an aftermarket radio) and alarm still drawing the battery even after the car is off. so I turn everything off but the alarm and still a clicking and the sound of it turning over. I also do not have anything aftermarket like lights or LED's, ground effects, so I am stumped. the battery is from march 2011.
Funny story. My gfs dads 05 nissan maxima had a problem starting last week. The battery was pretty much dead. They had just replaced the battery and alternator last year. We jumped the car and brought it to auto zone where they had bought the battery and alternator. They checked everything and couldn't find a problem. But the car would still die every night. So they brought it in to a shop and they kept it over night to diagnose and long story short they replaced the battery and alternator again. Been about 4 days with no problems. It'll probably be the last/only time they ever go to auto zone to replace and diagnose batteries
It does not take much to drain the batteries in the 05-07 models. I have the original battery from 2006, just because I use a trickle charger that keeps it with juice. You describe a battery drain problem. I does not matter if your battery is new...its getting drained. What is draining it? Much debate on that issue.
I had an issue like this with my 05 and I pulled the Shaker 500 out and put in an aftermarket Pioneer which fixed the insane battery drain. I would pull your radio out and let it sit over night to see if it still gets drained.
I had the same problem with the battery. I had a shaker 1000 and after everything I read on here about the shaker's connection to dead batteries, I replaced it with an aftermarket sony and replaced the battery and problem solved. From what I have read, even if the battery is new, once it goes completely dead, it is not the same after that? Since replacing the battery and radio, I have not had any trouble.
Last edited by kathyc33; 10-14-2013 at 08:41 AM.
Reason: spelling. Grrrr.