Battery/Charging/Ground Problem After Jumping Car Off - Help?
11-11-2008, 12:55 PM
#1
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please help
so my car died and i had my mom jump me we ran the cars together too long i guess on accident. Now my car runs but the lights serge like they have a heart beat.
i was told i have a ground problem
but i was thinking the voltage regulator was bad then took my alternator out and got it tested... came back passed.
i don't know what else to check.
i was told i have a ground problem
but i was thinking the voltage regulator was bad then took my alternator out and got it tested... came back passed.
i don't know what else to check.
11-12-2008, 11:30 AM
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Re: (BIG_WILL)
if your battery died then have the battery and alternator tested out... if one goes bad it can kill the other.. and if you just replace one and not the real problem which will try to kill your new good part quickly.
11-12-2008, 03:50 PM
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Usually the voltage regulator is built into the alternator on most vehicles.
But yes, like addiction2bass says, one being bad can kill the other. When you replace an alternator, you never want to install it with a battery that is either weak or dead. Doing so puts a very large strain on the alternator during it's break in period and can fry it. Likewise, replacing a battery when the alternator is junk will also damage it. Batteries do not like being discharged and recharged repeatedly unless you properly recharge the battery, i.e. battery charger. A vehicle's alternator is not strong enough to give a battery a finishing charge like a battery charger will. Also, rapidly recharging a battery with deplete its life. This is why at the dealership I work at we let dead batteries trickle charge (slow charge) back up. This way you don't damage its reserve capacity.
But yes, like addiction2bass says, one being bad can kill the other. When you replace an alternator, you never want to install it with a battery that is either weak or dead. Doing so puts a very large strain on the alternator during it's break in period and can fry it. Likewise, replacing a battery when the alternator is junk will also damage it. Batteries do not like being discharged and recharged repeatedly unless you properly recharge the battery, i.e. battery charger. A vehicle's alternator is not strong enough to give a battery a finishing charge like a battery charger will. Also, rapidly recharging a battery with deplete its life. This is why at the dealership I work at we let dead batteries trickle charge (slow charge) back up. This way you don't damage its reserve capacity.
11-16-2008, 06:44 PM
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Re: (The_Honda_Guy)
well i bought a newbattery and got my alternator checked and it was good so i just put a new on in anyway and the prob is still there
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11-16-2008, 07:06 PM
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Do you by chance have subwoofers or something else drawing a lot of power? The only time I've seen the problem that you've mentioned is with someone running subwoofers where the car can't keep up with the electrical load and then eventually the alternator and battery **** out. Usually this happens because you're pushing the alternator and battery much harder than they should be.
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