Car just died on me one day

Tiny
HALFPINT32
  • MEMBER
  • 1989 FORD CROWN VICTORIA
  • 497,039 MILES
While I was driving it iv tried several different things to fix it so what else could it be. Car will start when jumped runs in park but not in drive battery wont hold a charge the altenator checked out good but makes a lot of noies if u unplug neg battery cable car will die changed silver box with wires under it and I cant find any electral problems
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Tuesday, March 13th, 2012 AT 12:57 AM

19 Replies

Tiny
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The car is supposed to die with the ground disconnected. Try the same test with the positive cable. It should keep running. If not, check the alternator again and check the fusible link. First replace the battery.
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Tuesday, March 13th, 2012 AT 1:00 AM
Tiny
HALFPINT32
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Ok I tryed the same test and pulled the positive cable the car still died im not sure what the fusible link is but im thinking that would be either the fues box or the wires running from the battery there is only one wire under the hood thats not conected to anything it runs into the dash on drivers side to the area with fues box and light switch and also conects to something under the altenator I changed the battery when jump cables plug up the car has between 12-14 vlt when unpluged it slowly starts to drop. So what should I try now.
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Tuesday, March 13th, 2012 AT 6:31 PM
Tiny
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With the engine running, check the voltage at the battery. You want around 12.5-13.8 volts. Our reference lists 4 fusible links for the charging system. Dark green, gray, and yellow at the starter relay and brown on the alternator output control relay. Fusible links are wires with flags or tabs on them.
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Wednesday, March 14th, 2012 AT 9:56 PM
Tiny
HALFPINT32
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Ok the car starts up without a jump now its got 12.8 volts fusible links are good as soon as car is put into drive the volts drop
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Friday, March 16th, 2012 AT 4:56 PM
Tiny
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If you haven't already, fully charge the battery. Preferably slowly. Your original post said the battery wouldn't hold a charge. I'd do a load test on it.
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Friday, March 16th, 2012 AT 9:08 PM
Tiny
HALFPINT32
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Do you think it is possible for the seat switch to be draining the battery. I was sitting in the car and felt the seat move. So I looked under it and the wires from the switch to the motor that moves my front seat were kicking up and down as if I was moving the switch up and down. This contiuned even with the car off. So I moved the seat to the fully tilted back position and it quit moven. The voltege gage seames to be holding at 12.8. So do you think this could be my short thats draining the battery
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Saturday, March 17th, 2012 AT 5:01 AM
Tiny
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That could be causing a problem with the battery, yes. You will need to disconnect the switch, remove the relay, whatever, to remove it from the circuit so you can check it for yourself.

I'd still recommend that you fully charge and load test the battery and alternator, as well.
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Saturday, March 17th, 2012 AT 5:24 AM
Tiny
HALFPINT32
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Ok I will do that today and get back to you tonight to let you now how it turns out.
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Saturday, March 17th, 2012 AT 6:48 PM
Tiny
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Ok. I'll be here.
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Sunday, March 18th, 2012 AT 4:16 AM
Tiny
HALFPINT32
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Ok so I unpluged the seat waited half the day for the battery to charge took it for a test drive and she ran good doged a little at first but after warming up no problems the volt gage ran at 14 then I came home plug seat back in and she still running but gage runs at 12 again. There is a water leake in the front corner of the car and water is dripping down to the fues box this could be another reason why car was not working it may just have dried out not sure but so far so good
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Sunday, March 18th, 2012 AT 8:04 PM
Tiny
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I'd say you have a problem either in the wiring or the switch.
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Sunday, March 18th, 2012 AT 9:34 PM
Tiny
HALFPINT32
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Seat only shorts out when in the down position I think ill leave it unpluged intill I change the switch im still scared to take the car very far it seems like its too easy of a fix for all my troubles to be over with
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Monday, March 19th, 2012 AT 12:43 AM
Tiny
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Sometimes it is just an easy fix.
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Monday, March 19th, 2012 AT 2:08 AM
Tiny
HALFPINT32
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Ok I drove the car all over the place today it never died on me but the volt gage is jumping around and stayed under 12 u think I might still have another short somewere or should I just not worry about it till it quits on me again
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Tuesday, March 20th, 2012 AT 12:53 AM
Tiny
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When was it falling under 12V? Does it squeak or squeal at all at lower RPMs?
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Tuesday, March 20th, 2012 AT 2:44 AM
Tiny
HALFPINT32
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It runs just under 12 volts and it falls way under every time I slow down or stop and if I turn on anything like wind sheild wipers blinkers radio whatever. Anytime I come to a stop I put it in park to keep the voltege up. It sometimes dogs out when I take off or step on gas to much to quickley. Its allways had a squeal I belive its the power stering so I never paid close attension to it, but ill check to see if it does it at lower rpm. It tickes when I shut it off and there some kind of noise comen from altenator sort of a clunkin sound and I hear lots of air when put in drive im thinking vacume leak but I couldnt find it.
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Tuesday, March 20th, 2012 AT 9:34 PM
Tiny
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Ok. I'm guessing the alternator needs to be replaced. Use carb and choke cleaner to locate the vacuum/air leak. Ticking is the metal cooling.
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Tuesday, March 20th, 2012 AT 10:55 PM
Tiny
HALFPINT32
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I keep thinking alternator too. I should have just did that to begin with. I had it checked 2 times but in my opinion that chick had no clue what she was doin. To answer you question about noise when cars at lower rpms, yes it does but with more of a whinning sound to it allmost the same as power stering but a lot less noticable, I must thank you in advance for all your help. Iv allways been good at listening to a car and pin pointing certent problems but never worked on them alone so u have been a big help. It might take me a day or two to get a new alternator so ill get back to you by the end of this week to let you know how it turnes out, and ill check into that vacume leak as well. Thanks again
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Wednesday, March 21st, 2012 AT 12:26 AM
Tiny
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My pleasure. Be sure to tell all of your friends about how much help we've been.
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Wednesday, March 21st, 2012 AT 3:33 AM

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