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  #1 (permalink)  
Old 28 Mar 2010, 03:08 pm
Michael
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Default 98 CRV unstable voltage

The voltage on my Honda has been jumping back and forth between 11 and
14 volts. This does not happen smoothly. It jumps instantaneously. This
goes on at about a 5 second period.

My battery does not run down and it always starts. I had the generator
replaced a year ago, but this did not fix it.

I wonder if anyone has any thoughts about this?

Michael
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  #2 (permalink)  
Old 29 Mar 2010, 07:04 am
Tegger
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Default Re: 98 CRV unstable voltage

Michael <micoder@sbcglobal.net> wrote in news:dHOrn.264549$vr1.213032@en-
nntp-07.dc1.easynews.com:

> The voltage on my Honda has been jumping back and forth between 11 and
> 14 volts. This does not happen smoothly. It jumps instantaneously. This
> goes on at about a 5 second period.
>
> My battery does not run down and it always starts. I had the generator
> replaced a year ago, but this did not fix it.
>
> I wonder if anyone has any thoughts about this?
>
> Michael




Does the "D" or "D4" gear indicator dim when accelerating? Do the dash
lights or the headlights flicker?

Is the Check Engine light on?

--
Tegger

The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/
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  #3 (permalink)  
Old 30 Mar 2010, 10:40 am
Michael
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Default Re: 98 CRV unstable voltage

On 3/29/2010 7:04 AM, Tegger wrote:
> Michael<micoder@sbcglobal.net> wrote in news:dHOrn.264549$vr1.213032@en-
> nntp-07.dc1.easynews.com:
>
>> The voltage on my Honda has been jumping back and forth between 11 and
>> 14 volts. This does not happen smoothly. It jumps instantaneously. This
>> goes on at about a 5 second period.
>>
>> My battery does not run down and it always starts. I had the generator
>> replaced a year ago, but this did not fix it.
>>
>> I wonder if anyone has any thoughts about this?
>>
>> Michael

>
>
>
> Does the "D" or "D4" gear indicator dim when accelerating? Do the dash
> lights or the headlights flicker?
>
> Is the Check Engine light on?
>

There is no check engine light on. The headlights and all other lights
dim and get bright each time this voltage fluctuation occurs. This is
not related to accelerating, at least not much. The voltage is more
likely to drop suddenly when I take my foot off the gas. It appears that
lower engine rpm is more likely to produce higher voltages.

Michael
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  #4 (permalink)  
Old 30 Mar 2010, 11:36 am
Tegger
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Default Re: 98 CRV unstable voltage

Michael <micoder@sbcglobal.net> wrote in
news:WXosn.128486$Up1.101492@en-nntp-09.dc1.easynews.com:

> On 3/29/2010 7:04 AM, Tegger wrote:


>>
>>
>>
>> Does the "D" or "D4" gear indicator dim when accelerating? Do the
>> dash lights or the headlights flicker?
>>
>> Is the Check Engine light on?
>>

> There is no check engine light on. The headlights and all other lights
> dim and get bright each time this voltage fluctuation occurs. This is
> not related to accelerating, at least not much. The voltage is more
> likely to drop suddenly when I take my foot off the gas. It appears
> that lower engine rpm is more likely to produce higher voltages.
>



It's the Electrical Load Detector (ELD). Common fail point.

The ELD is either under the engine-bay fuse box, or is a plug-in module
inside of it. If it's under the fuse box, it's part of the fuse box and the
whole box needs to be replaced. If it's a plug-in, just buy a new one at
the dealer and swap them.

--
Tegger

The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/
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  #5 (permalink)  
Old 31 Mar 2010, 01:14 am
Michael
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Default Re: 98 CRV unstable voltage

On 3/30/2010 11:36 AM, Tegger wrote:
> Michael<micoder@sbcglobal.net> wrote in
> news:WXosn.128486$Up1.101492@en-nntp-09.dc1.easynews.com:
>
>> On 3/29/2010 7:04 AM, Tegger wrote:

>
>>>
>>>
>>>
>>> Does the "D" or "D4" gear indicator dim when accelerating? Do the
>>> dash lights or the headlights flicker?
>>>
>>> Is the Check Engine light on?
>>>

>> There is no check engine light on. The headlights and all other lights
>> dim and get bright each time this voltage fluctuation occurs. This is
>> not related to accelerating, at least not much. The voltage is more
>> likely to drop suddenly when I take my foot off the gas. It appears
>> that lower engine rpm is more likely to produce higher voltages.
>>

>
>
> It's the Electrical Load Detector (ELD). Common fail point.
>
> The ELD is either under the engine-bay fuse box, or is a plug-in module
> inside of it. If it's under the fuse box, it's part of the fuse box and the
> whole box needs to be replaced. If it's a plug-in, just buy a new one at
> the dealer and swap them.
>


Thank you very much for that information Tegger. You have been very
helpful.

Thanks

Michael
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  #6 (permalink)  
Old 31 Mar 2010, 06:30 pm
Tegger
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Posts: n/a
Default Re: 98 CRV unstable voltage

Michael <micoder@sbcglobal.net> wrote in
news:chLsn.297586$Hq1.31377@en-nntp-04.dc1.easynews.com:

>
>
> Hi again Tegger,
>
> I have a dealership working with Honda trying to find this part.




"Trying to find this part"? What does THAT mean? Techline doesn't know?

I think your car is old enough that the ELD is part of the fuse box, but
Techline should be able to confirm that to your dealership's tech.

That fuse box, new, is $200. Yikes! Get thee hence to a wreckers!



> They
> have a picture. I am putting it as an attachment here for those who
> may have they same problem later and find this thread.



This is a non-binary group, so you shouldn't be posting images here. Use
one of the many free image-hosting Websites to post your images, then post
the URL here.


--
Tegger

The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/
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  #7 (permalink)  
Old 01 Apr 2010, 08:35 pm
Michael
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Posts: n/a
Default Re: 98 CRV unstable voltage

On 3/31/2010 6:30 PM, Tegger wrote:
> Michael<micoder@sbcglobal.net> wrote in
> news:chLsn.297586$Hq1.31377@en-nntp-04.dc1.easynews.com:
>
>>
>>
>> Hi again Tegger,
>>
>> I have a dealership working with Honda trying to find this part.

>
>
>
> "Trying to find this part"? What does THAT mean? Techline doesn't know?
>
> I think your car is old enough that the ELD is part of the fuse box, but
> Techline should be able to confirm that to your dealership's tech.
>
> That fuse box, new, is $200. Yikes! Get thee hence to a wreckers!
>
>
>
>> They
>> have a picture. I am putting it as an attachment here for those who
>> may have they same problem later and find this thread.

>
>
> This is a non-binary group, so you shouldn't be posting images here. Use
> one of the many free image-hosting Websites to post your images, then post
> the URL here.
>
>

I called a Honda dealership in a town about 40 miles away. They had
never heard of an ELD. They could not even figure out what to do with
the picture I sent them. They sent it to Honda. Honda refused to sell
the ELD. They will only sell the fuse box for 233 bucks. I have wrecking
yard within 100 miles.

At that price however, it might be worth it to drive the 100 miles if
they actually have that fuse box.

Michael
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  #8 (permalink)  
Old 01 Apr 2010, 09:14 pm
Tegger
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Posts: n/a
Default Re: 98 CRV unstable voltage

Michael <micoder@sbcglobal.net> wrote in
news:1Sbtn.190241$Jq1.18913@en-nntp-05.dc1.easynews.com:


>>
>>

> I called a Honda dealership in a town about 40 miles away. They had
> never heard of an ELD. They could not even figure out what to do with
> the picture I sent them.



Dumbheads.


> They sent it to Honda. Honda refused to sell
> the ELD. They will only sell the fuse box for 233 bucks.



That's because American Honda can only sell what the Honda home office in
Japan sells them. And the Honda home office only sells the ELD as part of
the fuse box for your year.

Have you tried NAPA or other aftermarket place? They may sell a separate
ELD.



> I have wrecking yard within 100 miles.
>
> At that price however, it might be worth it to drive the 100 miles if
> they actually have that fuse box.
>



Call first. Then bring tools so that you can install the box on-the-spot.
That way if it doesn't work, you can try another one from another wrecked
CR-V, or get your money back then and there.

I do believe the ELD is the same for the Civic, and I'm sure there's a way
of transferring the ELD from one box to another, but I've never tried that.
Time for some creativity on your part!


--
Tegger

The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/
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  #9 (permalink)  
Old 04 Apr 2010, 06:02 pm
Michael
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Posts: n/a
Default Re: 98 CRV unstable voltage

On 4/1/2010 9:14 PM, Tegger wrote:
> Michael<micoder@sbcglobal.net> wrote in
> news:1Sbtn.190241$Jq1.18913@en-nntp-05.dc1.easynews.com:
>
>
>>>
>>>

>> I called a Honda dealership in a town about 40 miles away. They had
>> never heard of an ELD. They could not even figure out what to do with
>> the picture I sent them.

>
>
> Dumbheads.
>
>
>> They sent it to Honda. Honda refused to sell
>> the ELD. They will only sell the fuse box for 233 bucks.

>
>
> That's because American Honda can only sell what the Honda home office in
> Japan sells them. And the Honda home office only sells the ELD as part of
> the fuse box for your year.
>
> Have you tried NAPA or other aftermarket place? They may sell a separate
> ELD.
>
>
>
>> I have wrecking yard within 100 miles.
>>
>> At that price however, it might be worth it to drive the 100 miles if
>> they actually have that fuse box.
>>

>
>
> Call first. Then bring tools so that you can install the box on-the-spot.
> That way if it doesn't work, you can try another one from another wrecked
> CR-V, or get your money back then and there.
>
> I do believe the ELD is the same for the Civic, and I'm sure there's a way
> of transferring the ELD from one box to another, but I've never tried that.
> Time for some creativity on your part!
>
>

Thanks Tegger,

I am working on it. There is a chain autoparts in town. They informed me
that they could not get the part.

I will try to get creative. If I knew what was in that brown little box,
I could probably make one. I am a retired electronics engineer. I just
don't know what it is. If someone had ever made a schematic of what was
inside it, I would simply make one. But I sincerely doubt anyone has
ever done that.

Thanks again

Michael
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  #10 (permalink)  
Old 07 Apr 2010, 04:40 pm
Michael
Guest
 
Posts: n/a
Default Re: 98 CRV unstable voltage

On 4/4/2010 6:02 PM, Michael wrote:
> On 4/1/2010 9:14 PM, Tegger wrote:
>> Michael<micoder@sbcglobal.net> wrote in
>> news:1Sbtn.190241$Jq1.18913@en-nntp-05.dc1.easynews.com:
>>
>>
>>>>
>>>>
>>> I called a Honda dealership in a town about 40 miles away. They had
>>> never heard of an ELD. They could not even figure out what to do with
>>> the picture I sent them.

>>
>>
>> Dumbheads.
>>
>>
>>> They sent it to Honda. Honda refused to sell
>>> the ELD. They will only sell the fuse box for 233 bucks.

>>
>>
>> That's because American Honda can only sell what the Honda home office in
>> Japan sells them. And the Honda home office only sells the ELD as part of
>> the fuse box for your year.
>>
>> Have you tried NAPA or other aftermarket place? They may sell a separate
>> ELD.
>>
>>
>>
>>> I have wrecking yard within 100 miles.
>>>
>>> At that price however, it might be worth it to drive the 100 miles if
>>> they actually have that fuse box.
>>>

>>
>>
>> Call first. Then bring tools so that you can install the box on-the-spot.
>> That way if it doesn't work, you can try another one from another wrecked
>> CR-V, or get your money back then and there.
>>
>> I do believe the ELD is the same for the Civic, and I'm sure there's a
>> way
>> of transferring the ELD from one box to another, but I've never tried
>> that.
>> Time for some creativity on your part!
>>
>>

> Thanks Tegger,
>
> I am working on it. There is a chain autoparts in town. They informed me
> that they could not get the part.
>
> I will try to get creative. If I knew what was in that brown little box,
> I could probably make one. I am a retired electronics engineer. I just
> don't know what it is. If someone had ever made a schematic of what was
> inside it, I would simply make one. But I sincerely doubt anyone has
> ever done that.
>
> Thanks again
>
> Michael



Tegger,

I hate to admit it, but I think my problem was just me. I started
looking at the fuse box and how all the loads for the car went through
the ELD. I had some driving lights hooked directly to the battery with a
relay to turn them on.

I removed the extra wires from the battery. I hooked them up inside the
fuse box on the load side of the ELD. The varying voltage went away.

My bad,


Michael
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