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99 Chevy 4WD Battery Warning Light- System checks ok?

 
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MachineShop

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Since: Mar 04, 2006
Posts: 1



(Msg. 1) Posted: Mon Jul 10, 2006 7:25 pm
Post subject: 99 Chevy 4WD Battery Warning Light- System checks ok?
Archived from groups: alt>trucks>chevy (more info?)

For those of you following an earlier thread which, I can no longer
update.... I had a problem with a my 99 Silverado pickup, where the
Battery Warning light would come on from time to time and only a few
seconds at a time. This was after the alternator was replaced as a PM
measure as the truck had 80k and I was going on a long trip. The
instrument panel voltmeter still was showing 14.5 or so volts all the
time the warning light was on. I replaced a 3 year old battery because
a GM service tech told me that was all he could find wrong. Needless to
say it did not solve the problem, he also told me he could not pull
any codes.

So after weeks of putting up with the problem I went to a GM service
center who had the proper ($3,700) scan tool, he told me I had a
Alternator "L" wire fault showing. After about two weeks, and putting
a monitor wire inside the truck cab so I could read the "L" wire going
to the PCM on the road and underload with a DVM, I found the new
AutoZone alternator to have a defective electronic circuit that
switched (grounds) the "L": wire (on a fault), but the alternator
tested fine. AZ replaced it under warranty, and after 700 plus road
miles the Battery Warning light is no longer a problem. Thanks again
to all those who replied to my other message.

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Steve W.

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Since: Jul 10, 2006
Posts: 2



(Msg. 2) Posted: Mon Jul 10, 2006 11:31 pm
Post subject: Re: 99 Chevy 4WD Battery Warning Light- System checks ok? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

Yep, sometimes that expensive tool is a very handy item..

--
Steve W.
Life is not like a box of chocolates
it's more like a jar of jalapenos-
what you do today could burn your ass tomorrow!

<MachineShop.DeleteThis@hotmail.com> wrote in message
news:1152584717.430836.101760@h48g2000cwc.googlegroups.com...
> For those of you following an earlier thread which, I can no longer
> update.... I had a problem with a my 99 Silverado pickup, where the
> Battery Warning light would come on from time to time and only a few
> seconds at a time. This was after the alternator was replaced as a PM
> measure as the truck had 80k and I was going on a long trip. The
> instrument panel voltmeter still was showing 14.5 or so volts all the
> time the warning light was on. I replaced a 3 year old battery
because
> a GM service tech told me that was all he could find wrong. Needless
to
> say it did not solve the problem, he also told me he could not pull
> any codes.
>
> So after weeks of putting up with the problem I went to a GM service
> center who had the proper ($3,700) scan tool, he told me I had a
> Alternator "L" wire fault showing. After about two weeks, and putting
> a monitor wire inside the truck cab so I could read the "L" wire going
> to the PCM on the road and underload with a DVM, I found the new
> AutoZone alternator to have a defective electronic circuit that
> switched (grounds) the "L": wire (on a fault), but the alternator
> tested fine. AZ replaced it under warranty, and after 700 plus road
> miles the Battery Warning light is no longer a problem. Thanks again
> to all those who replied to my other message.
>



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Whitelightning

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Since: Aug 11, 2004
Posts: 659



(Msg. 3) Posted: Tue Jul 11, 2006 1:55 am
Post subject: Re: 99 Chevy 4WD Battery Warning Light- System checks ok? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

Think of all the aggravation that would have been eliminated by purchasing a
quality part from a reputable supplier on the first go round.

Whitelightning
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MachineShop

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Since: Jun 28, 2006
Posts: 15



(Msg. 4) Posted: Tue Jul 11, 2006 6:00 am
Post subject: Re: 99 Chevy 4WD Battery Warning Light- System checks ok? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

Whitelightning wrote:
> Think of all the aggravation that would have been eliminated by purchasing a
> quality part from a reputable supplier on the first go round.
>
> Whitelightning

: ) The last NAPA (Gold) part I ordered and installed which was a
starter for my 88 Chevy truck, has a similar horror story, and I've
heard about other problems from those who have purchased GM parts. My
preferred parts supplier was out of stock and had just switched
re-builders. Since I was a former air craft electrician I replace
before it fails on the road and try to purchase quality parts... So
who do you trust?
 >> Stay informed about: 99 Chevy 4WD Battery Warning Light- System checks ok? 
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Whitelightning

External


Since: Aug 11, 2004
Posts: 659



(Msg. 5) Posted: Tue Jul 11, 2006 4:55 pm
Post subject: Re: 99 Chevy 4WD Battery Warning Light- System checks ok? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

<MachineShop RemoveThis @hotmail.com> wrote in message
news:1152622832.503790.182310@35g2000cwc.googlegroups.com...
>
> : ) The last NAPA (Gold) part I ordered and installed which was a
> starter for my 88 Chevy truck, has a similar horror story, and I've
> heard about other problems from those who have purchased GM parts. My
> preferred parts supplier was out of stock and had just switched
> re-builders. Since I was a former air craft electrician I replace
> before it fails on the road and try to purchase quality parts... So
> who do you trust?
>
it gets hard these days. When I paid the bills turning wrenches, napa was
ok for front end parts, brake parts except master cylinders, never for water
pumps. I had a AC Delco suppler we used for Air Conditioning parts, alts
and starters, as well as sensors and tune up parts.
Western Auto was a fav for Alts and starters when customer couldn't afford
the better parts, and also brake parts as they carried Rybestos, but alas
Sears gutted that out fit, turned it into a parts house and now its been
bought by Advanced Auto parts, which isn't much better than Auto Zone.
AutoZone is the Wal-Mart of auto parts and the quality of what they sell
unless name branded is about the same as wally world. Everything made in
china. Brake rotors and drums stored on edge, even though the box is
clearly marked don't store on edge.
I look for a supplier with a booming commercial business supplying the best
of the your local repair shops. Auto Zone has some commercial, but it
seems to be the shops barely a step above shade tree most of the time.
I worked for AZ for about 18 months, when my health went sour 6 years ago
and ruled out being a mechanic or truck driver any more, while I learned a
new vocation. The place re-enforced my belief that the general American
public is the most ignorant consumer in the world, with an eye on price and
nothing else. Doesn't bother them that they might have to buy some thing
three times and end up paying twice as much in the long run, just that it
was cheap. which explains Yugos, Mitsubishis, Hyundai's, Nissan(now owned by
the French). Nor do they take into their account the time lost broke down
and changing a part three or four times, who cares it was cheap and it has a
life time warranty.(I know that was not your case)
I'll get off my soap box now.
Whitelightning
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MachineShop

External


Since: Jun 28, 2006
Posts: 15



(Msg. 6) Posted: Tue Jul 11, 2006 5:19 pm
Post subject: Re: 99 Chevy 4WD Battery Warning Light- System checks ok? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

Whitelightning wrote:
> <MachineShop.TakeThisOut@hotmail.com> wrote in message
> news:1152622832.503790.182310@35g2000cwc.googlegroups.com...
> >
> > : ) The last NAPA (Gold) part I ordered and installed which was a
> > starter for my 88 Chevy truck, has a similar horror story, and I've
> > heard about other problems from those who have purchased GM parts. My
> > preferred parts supplier was out of stock and had just switched
> > re-builders. Since I was a former air craft electrician I replace
> > before it fails on the road and try to purchase quality parts... So
> > who do you trust?
> >
> it gets hard these days. When I paid the bills turning wrenches, napa was
> ok for front end parts, brake parts except master cylinders, never for water
> pumps. I had a AC Delco suppler we used for Air Conditioning parts, alts
> and starters, as well as sensors and tune up parts.
> Western Auto was a fav for Alts and starters when customer couldn't afford
> the better parts, and also brake parts as they carried Rybestos, but alas
> Sears gutted that out fit, turned it into a parts house and now its been
> bought by Advanced Auto parts, which isn't much better than Auto Zone.
> AutoZone is the Wal-Mart of auto parts and the quality of what they sell
> unless name branded is about the same as wally world. Everything made in
> china. Brake rotors and drums stored on edge, even though the box is
> clearly marked don't store on edge.
> I look for a supplier with a booming commercial business supplying the best
> of the your local repair shops. Auto Zone has some commercial, but it
> seems to be the shops barely a step above shade tree most of the time.
> I worked for AZ for about 18 months, when my health went sour 6 years ago
> and ruled out being a mechanic or truck driver any more, while I learned a
> new vocation. The place re-enforced my belief that the general American
> public is the most ignorant consumer in the world, with an eye on price and
> nothing else. Doesn't bother them that they might have to buy some thing
> three times and end up paying twice as much in the long run, just that it
> was cheap. which explains Yugos, Mitsubishis, Hyundai's, Nissan(now owned by
> the French). Nor do they take into their account the time lost broke down
> and changing a part three or four times, who cares it was cheap and it has a
> life time warranty.(I know that was not your case)
> I'll get off my soap box now.
> Whitelightning

Wow thanks for the great reply! Years ago when I was on the Aero
Space Team --- US Air Force we rebuilt aircraft alternators, generators
and the like in the shop, more or less between calls to the flight
line. We never cut corners, because we knew someone could die if we
did. I now treat my car, truck and motorcycle & etc the same way, and
try to buy the best I can find. As you pointed out however it is
getting harder and harder to find reliable and good parts. Anyone
else?? BG
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