Question about 1991 Ford LTD Crown Victoria

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I change the alternator and starter ans still discharge batteries

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Spartakus maybe your battery is crappin the bed. have it tested.. i would also test for a parisitic draw. i would explain for you but it would be easier on my typing to tell you to follow this link --->HERE<--- he also includes a couple diagnoses during his findings.. pay attention to where he says pull one fuse at a time. when you pull a fuse and it drops. start checking whatever that fuse powered

Posted on Oct 21, 2009

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Some thing is draining your battery. See if you can get hold of a clip-on ampmeter (most accessory shops sell them quite cheaply) and connect it to the thick battery main output cable. Make sure everything is switched off and the car is as you would leave it (including the alarm set if you have one). The reading on the ampmeter should be minimal. If it is 1 amp or more pullout and replace the fuses 1 by 1 until the reading drops to zero. Then you will know which circuit is causing the problem, then you can check for silly things like courtesy light switches etc.
If you have an after- market alarm/immobiliser fitted, pull the fuse on that first, you may well find that that is the problem. The you’ll have the delightful task of trying to figure out someone else’s wiring. You may find that removing it and staring again is the best option.

Posted on Sep 30, 2009

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2011 Honda Accord. Sometimes my car won't start so I get a jump and it starts right up. Battery charge is great and so is the alternator. Also it does make the clicking sound so I don't believe it's the...


1. your battery needed to be checked with battery load checker. some batteries are producing 12.6 v or so but the current current capacity is bad.
2. also check your alternator if it delivers about 13-14 volts when idling to charge the battery.
3. your battery may still be ok if the alternator is the culprit and doesn't charge enough. replace or repair alternator if found faulty.
4. sometimes the starter is also filled with dust that insulates rotor contact terminals. depending on the mileage of your car, it may need some cleaning to get rid of the elecrtrical reistance these dust produces. incase you don't have time to service the starter, try gently whacking it with a hammer 2-3 times and restart your car. the vibrations will clear the dust debris inside your starter, hopefully,

Oct 03, 2017 | Honda Cars & Trucks

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Does the wire go from the starter to the alternator on a 2004 grand am se


You should have the main battery positive lead run from the positive terminal on the battery, to the alternator and to the starter motor also. Diodes in the alternator prevent the battery being discharged when the alternator is not turning, and the starter motor main terminal is only active when the solenoid is activated which provides the starter motor power from the battery. Care should always be taken when working on vehicle electrics. Id recommend removing the battery completely from the vehicle to prevent electrical arciing and damage to components.

Apr 25, 2014 | Pontiac Grand Am Cars & Trucks

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Battery won't stay charged


1. the car drain's the battery even when it is not started or the key isn't in ignicion, the car has a electrical problem, you left a light, the starter could drain it, the alternator as well, or a bad radio is draining the battery even with no key in the ignicion,
2 it's a bad battery (discharges it self by beeing counicated inside).

solucion 1. to see if the car is drainin the battery would be by disconecting a battery termina and see if discharges again, if not, then the car drain's the battery.

solucion 2. if the battery discharges even when if it's disconected from the car, then change the battery.

warning, the first cause coul'd induce to a self discharging battery. even if you changed the battery, do a litle monitoring to be sure it's not the car that is turning the battery bad. how? if you install a new battery, leave the car for a few days (i mean do not start the car) and see if the battery discharges, if so, then you have to search what is draining the battery (that could be a very costly work, time and money and complicated). or put a ''battery disconector'' so the car cannot discharge the battery.

Apr 05, 2014 | 1994 BMW 3 Series

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CAN BATTERY DISCHARGE IN STEAD ON CHARGING I TURN IGITION AND NOTHING HAPPENS I CHECK STARTER AND BATTERY AT PART STORE


sometime but not all the time have the alternator check thats most likely problem.

Aug 09, 2012 | 2005 Ford Taurus

1 Answer

Battery discharging after solenoid and alternater change


running it should be charging at 14 plus volts. if it isnt the alternator is toast. 12.6 at rest is ok

Jul 23, 2017 | 1991 Ford Bronco

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2002 ford f150 clicks but will not start. just changed alternator is it the starter?


Sounds like a low battery, did you put a battery charger on after changing the alternator ? Check the DC voltage on the battery at rest, anything less than 12/5 VDC is a discharged battery. At less than 124 VDC, sulfation can start to happen. If this goes on long enough, the sulfation can impede the alternators ability to charge the battery, and cause damage to the alternator.

Nov 18, 2010 | 2002 Ford F150 Regular Cab

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I CHECK BATTERY,STARTER AND ALTERNATOR 95 CADILLAC DEVILLE STILL WON'T START WHAT'S WRONG


Check connections to the battery to make sure they are tight and clean at the contact points.

A fresh battery should start a car if the starter is good.

If you have an ammeter, hook it up to see how much amperage is being drawn when attempting to crank the engine.

If it's above 100 amps or even above 75 amps and does not turn, you have a bad starter.

Sometimes tapping the outside of the starter from below with a ball peen hammer while cranking the engine (need a helper) can start the car if the starter has a bad spot on it.

The alternator comes in to play if the battery is discharged and isn't getting charged by the alternator. The alternator is probably not the problem if you have a new battery and can't turn over the car, at least for that part of the diagnosis.

So, I wouldn't worry about the alternator until the starter and battery are eliminated as being the problem.



Apr 28, 2010 | 1995 Cadillac DeVille

2 Answers

I replaced the altrenator and battery ona 1995 dodge caravan 3.3L V6 ENGINE and drove it 1 time now it wont start it makes a clicking sound wheb i turn the key over what could be the problem


It would be easy to suspect a starter/solenoid problem if not for the history you described. It would be quite a coincidence that this problem is happening after just changing the alternator and battery. I would suspect that the battery is not fully charged. It sounds like there is not enough voltage to operate the starter, but that will be easy enough to determine. I would charge the battery fully and if the vehicle starts, take it to get the alternator output checked at a parts store. If it still won't start and presents the same problem, then check the starter. If the battery is discharged, something has to have caused it. Just because an alternator is "new" doesn't necessarily mean that it's functional. Having the output checked will show how the alternator is performing. Just some thoughts for you to consider. Sorry for your trouble and best wishes.

Sep 23, 2009 | 1995 Dodge Caravan

1 Answer

Battery Discharge


The alternator is okay but is short circuiting on the battery.

trouble shoot by using a friend's battery and you will experience the same thing.

This simply means the alternator has dropped its charging power.

Replace the alternator.

Dont forget to rate this.

Apr 22, 2009 | 1990 Toyota Celica

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