car is running off the battery
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Honda-Tech Member
Joined: Apr 2002
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From: Norcal
car is running off the battery
for some reason my car is running off the battery. its a 95 h22 in a 97 civic. new alternator and battery so i know its not those things. when the car is running if i unhook the positive terminal the car dies instantly telling me its not running off the alternator but the battery. any ideas? this just happen out of nowhere. thanks
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Joined: Sep 2001
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From: Tucson, AZ
Re: car is running off the battery (Kp_VtekNiks)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Kp_VtekNiks »</TD></TR><TR><TD CLASS="quote">for some reason my car is running off the battery. its a 95 h22 in a 97 civic. new alternator and battery so i know its not those things. when the car is running if i unhook the positive terminal the car dies instantly telling me its not running off the alternator but the battery. any ideas? this just happen out of nowhere. thanks</TD></TR></TABLE>
DO NOT DO THAT ANYMORE, YOU CAN FRY THE ECU
that test dosent work on newer cars, there is simply too much electronics. the battery works like a big dampner to absorb spikes from the alternator, without the battery you can easily damage sensitive electrical components.
that is not an accurate test to gauge if the alternator is working, take the alternator in to a checker or autozone and have it tested.
DO NOT DO THAT ANYMORE, YOU CAN FRY THE ECU
that test dosent work on newer cars, there is simply too much electronics. the battery works like a big dampner to absorb spikes from the alternator, without the battery you can easily damage sensitive electrical components.
that is not an accurate test to gauge if the alternator is working, take the alternator in to a checker or autozone and have it tested.
Thread Starter
Honda-Tech Member
Joined: Apr 2002
Posts: 703
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From: Norcal
Re: car is running off the battery (Kamin)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Kamin »</TD></TR><TR><TD CLASS="quote">
DO NOT DO THAT ANYMORE, YOU CAN FRY THE ECU
that test dosent work on newer cars, there is simply too much electronics. the battery works like a big dampner to absorb spikes from the alternator, without the battery you can easily damage sensitive electrical components.
that is not an accurate test to gauge if the alternator is working, take the alternator in to a checker or autozone and have it tested.
</TD></TR></TABLE>
oops wont do that again, but i did get the alternator tested, alternator is fine. any other ideas?
DO NOT DO THAT ANYMORE, YOU CAN FRY THE ECU
that test dosent work on newer cars, there is simply too much electronics. the battery works like a big dampner to absorb spikes from the alternator, without the battery you can easily damage sensitive electrical components.
that is not an accurate test to gauge if the alternator is working, take the alternator in to a checker or autozone and have it tested.
</TD></TR></TABLE>
oops wont do that again, but i did get the alternator tested, alternator is fine. any other ideas?
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