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Ford Mustang Electrical Problems

119 messages,  Last post on Jun 30, 2009 at 10:18 AM

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#86 of 119 Re: cruise control [rbright13] by mygt350r Apr 04, 2008 (3:43 pm)
Replying to: rbright13 (Mar 29, 2008 4:16 pm) i have a moderately modified 05 GT and my cruise control quit working. The light does not even come on. I took it to ford and they hooked it up to the computer and tried to briefly trouble shoot the problem. We checked alot of sensor and switches that all seemed to be working fine. He told me to bring it back another time (because he was originally fixing a recall). Does anyone have any suggestions other than fuses? That is the only problem i have had.
#87 of 119 98 Mustang Electrical Mystery by niquea2484 Apr 09, 2008 (10:55 am)
Hello, I have a 98 Mustang V6 automatic 3.8L engine. My problems first started when my aftermarket cd player gave out and wouldn't eject the cd and I couldn't adjust the volumn. I ended up pulling the whole player out of the dash and disconnecting it. Shortly after this, my odometer stopped at about 163,000 miles and my check engine light came on. Couldn't find anything wrong, car working fine otherwise. Then my emergency brake light came on even though my brake wasn't engaged. Started to have difficulties getting the car started, especially in cold. Battery meter and power started fluctuating for no apparent reason. Had battery tested, it was bad, bought new battery. Seemed to solve the problem for a while. Then, power started fluctuating again and finally all gauges went out and car died. Assumed bad alternator. Got new alternator, installed it and seemed to fix the problem. Car worked great for 3 days, no fluctuating power, starting fine. Day 4, car completely dead, only clicks when I try to start, power locks not even working. Did the bad alternator drain my new battery or could I possibly have another bad alternator? Also, have been having what I assume are transmission problems, car jerks at certain speeds when accelerating, worst at 45mph. Would this have anything to do with my electrical problems? Could it have to do with the emergency brake light being on? Could I have messed up some important wires in the dash when I took out my cd player? Any help and suggestions would be greatly appreciated. I really need a new car, but just can't afford it right now. Thanks Replies to this message: 96gt (Jun 25, 2008 10:30 am)
#88 of 119 Re: What gets on my nerves and Battery TSB. [blustang] by gtforme2 Apr 12, 2008 (3:22 am)
Replying to: blustang (Jan 07, 2008 7:11 am) Your message is very interesting to me. I have an 05 Mustang GT vert (delivery in June of 05) that only comes out to play from May -Oct. and only on nice days. Have had it parked the last three winters and only started it once in January each year (including Jan 08) and never an issue. Then this April needed to move it and wham nothing. Interior lights would work, radio would turn itself on at half volume and the CD changer (have the 500 watt system) would go whacky and would act like changing CD's and there were no CD's in it. So, I took Jumper cables and took long time to charge battery enough to start, got it started ran it for an hour and shut off. Tried to start right back up and was as dead as dead could be. Called the dealer they towed it (still under warranty) and diagnosed as battery shot. Replaced Battery and starts fine. Also complained about vibration and told them read about drive shaft rotation and possible muffler hanger issue's read here on forum. What's dumb ass technicians do, they say they drive the car steering wheel vibration and shuttering and so they turn my rotors . I'm livid about that. I specifically told the Service Advisor the vibration was only at between 1300-1400 rpm and then again at between like 3250 & 3400 rpm. I plan to drive car soon but am waiting on some good days (missed couple this past week) which won't be until next week. Man it's frustrating dealing with people who aren't willing to let the customer help them. I figure tech's needed to get paid for something so they create a diagnosis that's not there and that way dealership can put in warranty claim and make some money. Believe me next time I'll ensure they call me after they have a diagnosis and perform any kind of work. Replies to this message: vstang6 (Sep 19, 2008 5:20 pm)
#89 of 119 get a battery tender. by mschmal Apr 29, 2008 (11:59 am)
very inexpensive from Wal-mart. Idling the car for an hour will not charge a dead battery.   Mark.
#90 of 119 98 Mustang Electrical Issues by reshat2 May 27, 2008 (9:40 pm)
A few of you guys own my car, it seems. I have a 98 v6 Mustang Manual Transmission. I bought it 4 years ago with about 55k, and now have about 115k on it. About 2 years ago I had my first experience. One day when I was enjoying my AC, my internal lights flickered, and my battery meter dropped right in front of my eyes until my car died. I sat there for a few minutes, called for help, then it just started, and I drove home. Then for the next few weeks, I replaced the battery (wouldn't hold a charge), alternator, oh battery again (in like 10 days), alternator again, and then gone, no problems. In the clear right? Wrong, tonight, I go out to my car to leave, it wont start, totally dead, lights, interior, key chain power locks, everything. By the way, while I was inside it was pouring rain for 40 minutes like you read about, monsoon like. I have my buddy jump me right? Wrong. Still no power. My other buddy hooks up his jumper cables, and still nothing. While were are fooling around with the cables, my interior lights turn on, then it works, starts right up. Story over right? Wrong. Driving home, when I rolled down a bit, all my lights flickered, and my battery voltage meter went up slightly. It normally sits right in the middle, not tonight, about 75% or so. Then when I pulled in safely at my home, me being the smart guy I am, I started rolling up my windows, and when it got to the top, it started squealing and all my lights flickered. Not going down, only up, after it was at the top totally. Then all my lights flashed, my windows wouldn't go down, although my car was started, headlights on, stereo on.... shut it off. Totally dead. No lights or anything. Now I can understand that at this point in time my battery is dead.... but that is not the problem... it seems water related... ground related... AND... I also have the vibration, it made my mirrors fall off... sad I know ....I also have a squeak that wont go away, no matter how times I change what they tell me too... An earlier post said his problem was firewall leakage... I am going to follow up on that. Hope this helps... And by the way I love my mustang. Dont take it out on your car! lol Replies to this message: Mr_Shiftright (Jun 14, 2008 8:14 am)
#91 of 119 Just curious by jc71676 Jun 13, 2008 (8:32 pm)
Today my 2005 mustang would start but the windows,locks,radio,guages and the car wouldnt go into gear i was messing with the car and unplugged a plug right above the fuse box on the inside of the car and plugged it back in and everything started working I was wondering what that plug is for.
#92 of 119 Re: 98 Mustang Electrical Issues [reshat2] by Mr_Shiftright HOST Jun 14, 2008 (8:14 am)
Replying to: reshat2 (May 27, 2008 9:40 pm) First off, replace your battery cables and clean the connections on BOTH ends of BOTH cables. Also make sure your engine is properly grounded to the chassis. This will eliminate this one obvious problem and it's simple to do. If the symptoms persist, ,this sounds to me like a wiring harness issue or an ignition switch issue.
#93 of 119 Re: 98 Mustang Electrical Mystery [niquea2484] by 96gt Jun 25, 2008 (10:30 am)
Replying to: niquea2484 (Apr 09, 2008 10:55 am) did you ever figure out what was wrong with your emergency brake light? because mine has turned on and it isn't engaged, and my check engine light is on but nothing is wrong with it, and before i go and buy some fuses i wanted to know if you figured out what was wrong?
#94 of 119 by quade420 Jun 28, 2008 (12:40 pm)
The only thing that worked on my '89 5.0 was the the tach...good times...
#95 of 119 Blinker problem with my 03 cobra... by bluetick Aug 23, 2008 (2:08 pm)
Kinda of strange problem I can't seem to figure out with my 03 cobra. Pretty much my blinkers work with my headlights off, but as soon as I turn my headlights on my blinkers in the front of the car stop working. The rears are fine no matter what.   Now at one point it seems someones had their hands all over this car changing and modding it so who knows what was touch and how they did it. I also noticed that the front headlights don't seem to be original so someone swapped out the headlights. I have yet to replace them but I changed the bulbs and took the flasher out from another car that I knew worked. Still nothing.   Problem is I need to pass inspection and they won't with my blinkers no working, if anyone has any ideas let me know. I'm thinking maybe I need to just replace the headlights all together. Could someone have messed with the wiring? If anyone's got any idea's let me know i'll give em a shot.

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