Check charging system
#22
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hello I am new to the forum and have a 2007 Mustang GT stock with the shaker 1000 system in it. I had a charging system failure. The car died on my wife this week due to the sorry alternator Ford put in the car. I replaced it and the battery is fine, I had it tested and it was ok. I am still getting a Check Charging System Message. I had the "new" alternator tested and it said it was a bad regulator but to my knowledge the voltage regulator is not in the alternator, its computer controlled I take it. Has anyone had an issue like this? I hate to take it to my local Ford Service cause we have not seen eye to eye at all in the past. I appreciate any help anyone can give me.
Signed FRUSTRATED GTowner
Signed FRUSTRATED GTowner
#23
legacy Tms Member
hello I am new to the forum and have a 2007 Mustang GT stock with the shaker 1000 system in it. I had a charging system failure. The car died on my wife this week due to the sorry alternator Ford put in the car. I replaced it and the battery is fine, I had it tested and it was ok. I am still getting a Check Charging System Message. I had the "new" alternator tested and it said it was a bad regulator but to my knowledge the voltage regulator is not in the alternator, its computer controlled I take it. Has anyone had an issue like this? I hate to take it to my local Ford Service cause we have not seen eye to eye at all in the past. I appreciate any help anyone can give me.
Signed FRUSTRATED GTowner
Signed FRUSTRATED GTowner
http://www.ebay.com/itm/ALTERNATOR-R...ht_2137wt_1037
edit- heres another source...need to figure out what alternator we have again...
http://alternatorstarterparts.com/in...wCat&catId=651
from what I'm reading, youre kinda right about computer controlled- the vehicle PowertrainControlModule outputs a PulseWidthModulated signal, but it still goes into a regulator in the alternator to control the field - it dont regulate to a set voltage like in the old days, now it just follows whatever the PCM tells it.
Dont have a wet floor on the passenger side do you? a lot of weird electrical gremlins seem to stem from a wet SmartJunctionBox due to plugged cowl drains...I would think the PWM line would likely be a direct wire from the underhood PCM, but still, thought I'd ask...
edit again- according to quality power alternators website ( http://www.qualitypowerauto.com/page...el_Results.php ), 2007 mustang gt uses a '6g, large frame, v mount'
Some 6g regulators are on ebay( for example: http://www.ebay.com/itm/F601HD-Brush...#ht_833wt_1270 ) , but not with the part numbers listed below, found on yet another page :
FORD Car & Lt Trk
2005 MUSTANG 4.6L V8, All
2006 MUSTANG 4.6L V8, All
2007 MUSTANG 4.6L V8, All
2008 MUSTANG 4.6L V8, All
2009 MUSTANG 4.6L V8, Manual Transmission
Replaces:
FORD
6R3Z-10346-DA,
7R3T-10300-DA, 7R3Z-10346-B,
4R3T-10300-BB, 4R3Z-10346-BB
FORD ENGINEERING
7R3T-DA, 4R3T-BB
MOTORCRAFT
GL-670, GL-920, GL-628
OEM(s): Ford
Alternator Family: Ford 6G
Voltage: 12 Volts
Amps: 135 Amps
Regulator Position: 2:00
Polarity: Negative
Output Stud Dimensions: M6-1.0
Reg. Location: Internal
Fan Location: Internal
Approximate Weight: 15.65 lbs / 7.11 kg
I'll keep digging in my spare time- I'll need one sooner or later too
Last edited by ford4v429; 11/7/11 at 09:32 PM.
#24
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hello I am new to the forum and have a 2007 Mustang GT stock with the shaker 1000 system in it. I had a charging system failure. The car died on my wife this week due to the sorry alternator Ford put in the car. I replaced it and the battery is fine, I had it tested and it was ok. I am still getting a Check Charging System Message. I had the "new" alternator tested and it said it was a bad regulator but to my knowledge the voltage regulator is not in the alternator, its computer controlled I take it.
My name is Deysha from Ford Customer Service. I recommend you make an appointment with your Ford dealer and speak with your Service Manager about this. He/She is in the best position to assist you with this concern. If you have any questions or need further assistance, please do not hesitate to PM me.
Deysha
#25
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Location: Raleigh NC
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Thanks alot for the help with this, it has made me want to trade my car for something else since it fried my cd player and i still haven't figured out why i get the silly charging system message... thanks again for the digging and the replies.... taking the car to be looked at tomorrow as bad as I hate to have to pay someone for something that should had been such a simple little fix... silly engineers, hope I don't step on anyones toes with that
#26
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WOW, I guess I'm lucky? I have a 2008 GT with the original battery and alternator. And I'll bet their are lots of GT owners like me. I don't do anything strange, like turn the radio off before shutting down. Sorry to hear some of us with problems.
#27
legacy Tms Member
battery failures seemed pretty high in all these cars, many posts of 2~3 yr battery failures, read many opinions about heat causing failures(why factory battery has a insulating blanket around it).
Ive had a battery last >8 yrs once in a DD, usually for me its 5 unless the car sat a lot- my lincoln sat too much, ate a battery every 2 yrs...the new schauer battery charger/conditioners sucessfully desulfated a couple that wouldnt take a charge, one kept saying 'bad bat' every day for a week, kept resetting, it did finally desulfate enough to take a charge- still using it a year later. the battery in our 65 is 9 yrs old now, but not fair to count it- only put about 2000 miles on it, and without so much as a clock, there is zero parasitic load...its sat 3 months and started right up, but usually try to run it bi-weekly.
Last edited by ford4v429; 11/13/11 at 04:02 PM.
#28
I know this is an old thread, but I am having dead batteries in my 2008 GT/CS. It has a constant 5.07 amp drain with everything off. It sits a lot as it only has 14K miles on it. No issues with either of my other two mustangs (1988 GT and 2012). The GT/CS has the shaker system so I am guessing it is the amp not shutting down. For now I am disconnecting the battery and using a battery tender.
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