one thing after another

sivart · June 5th, 2007, 07:36 AM

Reset my idle, everything worked fine. then i try and start it the last time and the battery is low so i jump start it and it starts right up and drive it for a bit. Then i get up today to goto work and i got to and have to jump start it again, so im driving down the road and turn my hadlights on and the whole car kinda loses power then comes back up, i look at the volt guage (when i turn the lights on) and it goes all the way down then comes back up. this is first time ive had this problem, could it be the alt? just all of a sudden

ckthecerealkiller · June 5th, 2007, 08:38 AM

Yah I would get the alt tested. Or do a cell test on the battery.

nolife · June 5th, 2007, 09:37 AM

My guess is your battery or connections to your battery. If the volt gauge jumps around a lot, this means the battery is not good or does not have a good connection. With a good working and connected battery, the volt meter should not move as much because the battery "softens" the voltage spikes.
Of course, you could have a wiring/ground, or alt problem as well. Either way, before you spend any money, take your car to your local chain parts store (like Advance), many of them will do free battery and alt checks.

sivart · June 5th, 2007, 11:33 AM

They can do a test on the alt when its still on the car? all i did was unhook the battery to clear the computer then hook it back up, all the wires for the battery are new. whats a battery read when its at idle? volt wise

fogged306 · June 5th, 2007, 12:36 PM

Yes they test alternators while in the car. You should see anywhere from 13.8v to 14.4v when the car is running. Give or take a couple tenths of a volt, but that is where the regulator sets the voltage at. If you are out of that tolerance, depending on how much, it indicates a problem with the alt.

And +1 on checking your connections.

89LX347 · June 5th, 2007, 02:45 PM

it is definatly your alernator.. the same thing just happened to me..i got a 75 amp aftermarket one(stock is 70 amp) BUT what alot of people do is get the 94-95 5.0 alternator wich is 130 but you have to get a new wiring harnesss for it but its not that hard

sivart · June 5th, 2007, 09:40 PM

Went to advanced but couldnt check my alt or battery cuz it was raining, so i came home and changed my battery with my other car, which has a stronger battery, put it in and it starts up and seams to charge good and doesnt want to kill the car when i turn the lights on. but tomorrow ill have the alt checked.

neverfastenough1 · June 5th, 2007, 10:23 PM

While you have the battery out, have them check it too while they are checking the alternator.

June 5th, 2007, 07:36 AM	#1
sivart Regular Join Date: Feb 2007 Location: middle GA Posts: 301 iTrader: 0 reviews	one thing after another Reset my idle, everything worked fine. then i try and start it the last time and the battery is low so i jump start it and it starts right up and drive it for a bit. Then i get up today to goto work and i got to and have to jump start it again, so im driving down the road and turn my hadlights on and the whole car kinda loses power then comes back up, i look at the volt guage (when i turn the lights on) and it goes all the way down then comes back up. this is first time ive had this problem, could it be the alt? just all of a sudden __________________ I just read an article about the dangers of drinking ... And it scared the crap out of me. So that's it............... After today, NO MORE READING.

June 5th, 2007, 09:37 AM	#3
nolife MM Fanatic 91GT, 88GT, 02GT Join Date: Dec 2006 Posts: 3,057 Blog Entries: 3 iTrader: 0 reviews	My guess is your battery or connections to your battery. If the volt gauge jumps around a lot, this means the battery is not good or does not have a good connection. With a good working and connected battery, the volt meter should not move as much because the battery "softens" the voltage spikes. Of course, you could have a wiring/ground, or alt problem as well. Either way, before you spend any money, take your car to your local chain parts store (like Advance), many of them will do free battery and alt checks. __________________

June 5th, 2007, 11:33 AM	#4
sivart Regular Join Date: Feb 2007 Location: middle GA Posts: 301 iTrader: 0 reviews	They can do a test on the alt when its still on the car? all i did was unhook the battery to clear the computer then hook it back up, all the wires for the battery are new. whats a battery read when its at idle? volt wise __________________ I just read an article about the dangers of drinking ... And it scared the crap out of me. So that's it............... After today, NO MORE READING.

June 5th, 2007, 09:40 PM	#7
sivart Regular Join Date: Feb 2007 Location: middle GA Posts: 301 iTrader: 0 reviews	Went to advanced but couldnt check my alt or battery cuz it was raining, so i came home and changed my battery with my other car, which has a stronger battery, put it in and it starts up and seams to charge good and doesnt want to kill the car when i turn the lights on. but tomorrow ill have the alt checked. __________________ I just read an article about the dangers of drinking ... And it scared the crap out of me. So that's it............... After today, NO MORE READING.

June 5th, 2007, 10:23 PM	#8
neverfastenough1 Hardcore Enthusiast 2002 Mustang GT Join Date: May 2007 Location: Savannah, Ga Posts: 2,789 iTrader: 3 reviews	While you have the battery out, have them check it too while they are checking the alternator. __________________

June 5th, 2007, 08:38 AM	#2
ckthecerealkiller Enthusiast Join Date: Oct 2005 Location: Windsor CO Posts: 940 iTrader: 0 reviews	Yah I would get the alt tested. Or do a cell test on the battery.

June 5th, 2007, 12:36 PM	#5
fogged306 MM Fanatic 89 GT Join Date: Apr 2007 Location: NY Posts: 4,875 iTrader: 2 reviews	Yes they test alternators while in the car. You should see anywhere from 13.8v to 14.4v when the car is running. Give or take a couple tenths of a volt, but that is where the regulator sets the voltage at. If you are out of that tolerance, depending on how much, it indicates a problem with the alt. And +1 on checking your connections.

June 5th, 2007, 02:45 PM	#6
89LX347 Hardcore Enthusiast Join Date: Apr 2007 Posts: 1,304 iTrader: 0 reviews	it is definatly your alernator.. the same thing just happened to me..i got a 75 amp aftermarket one(stock is 70 amp) BUT what alot of people do is get the 94-95 5.0 alternator wich is 130 but you have to get a new wiring harnesss for it but its not that hard

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