On Fri, 8 Dec 2006 09:30:37 -0800 Kevin [EMAIL PROTECTED] wrote:
On Fri, Dec 08, 2006 at 06:47:04AM -0800, Jim Cathey wrote:
OK, I'll try to trim it down a bit once...
A bad diode can. The circuit has already been adequately described,
perhaps a bad ASCII schematic?
Okay, that has
On Fri, 8 Dec 2006 09:30:37 -0800 Kevin [EMAIL PROTECTED] wrote:
that has to be the most awesome ASCII art I've seen in a long time.
Not that special. Now if the _other_ Kevin was impressed, well
then...
Trimmed and it _still_ got messed with a bit, but not bad enough
to ruin it this time.
OK, I'll try to trim it down a bit once...
A bad diode can. The circuit has already been adequately described,
perhaps a bad ASCII schematic?
D1 D7Winding A
D2 D8Winding B
On Fri, Dec 08, 2006 at 06:47:04AM -0800, Jim Cathey wrote:
OK, I'll try to trim it down a bit once...
A bad diode can. The circuit has already been adequately described,
perhaps a bad ASCII schematic?
Okay, that has to be the most awesome ASCII art I've seen in a long time.
K
Subject: Re: [MBZ] Red dash light for Battery is staying on
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Move south, its warmer there.
Red Batt light indicates a faulty charging system, probably a voltage
regulator. You say the car hasn't been started yet, so LT's 1 2 don't
apply, I'd guess you have a voltage leak through the voltage regulator.
Glow system is voltage dependent - if the car won't
I disagree -- I had my car definitely NOT start after having the lose belt,
because the battery didn't have enough juice in it.
On 12/5/06, Michael Hall [EMAIL PROTECTED] wrote:
Move south, its warmer there.
Red Batt light indicates a faulty charging system, probably a voltage
regulator. You
- Original Message -
From: Michael Hall [EMAIL PROTECTED]
To: Mercedes Discussion List mercedes@okiebenz.com
Sent: Tuesday, December 05, 2006 7:35 PM
Subject: Re: [MBZ] Red dash light for Battery is staying on
Move south, its warmer there.
Red Batt light indicates a faulty charging system
This light is on, the car is not. Can't be a loose belt.
Mike
On 12/5/06, LT Don [EMAIL PROTECTED] wrote:
I disagree -- I had my car definitely NOT start after having the lose
belt,
because the battery didn't have enough juice in it.
On 12/5/06, Michael Hall [EMAIL PROTECTED] wrote:
Move
you have a bad alternator.
MICHAEL ESH wrote:
I just went out to start my 1981 300sd and the battery was stone cold dead. It
started fine two days ago. I put a charger on and walked out 15 minutes ago and
red battery indicator light is on. It stays on with key in the off or on
position.
As I said, your alternator is shot.
MICHAEL ESH wrote:
Update:
Got the car started and the light goes out while it is running. I haven't
checked to see if it charging. It is just too damn cold out there.
Now the light stays on while the key is on the off position and goes out
when key is
Ok. I shall disregard my military specialty in electronics. I am sure you
guys are correct.
On 12/5/06, Kaleb C. Striplin [EMAIL PROTECTED] wrote:
As I said, your alternator is shot.
MICHAEL ESH wrote:
Update:
Got the car started and the light goes out while it is running. I
haven't
huh?
LT Don wrote:
Ok. I shall disregard my military specialty in electronics. I am sure you
guys are correct.
--
Kaleb C. Striplin/Claremore, OK
(2x) 91 300D 2.5 Turbo, 90 420SEL, 89 560SEL,
87 300SDL, 85 380SE 5.0 Euro, (2x) 84 190D 2.2,
81 240D, 76 240D, 76 300D, 72 250C, 69 250
1975 to retirement in 1995, my military specialty/job was in electronics /
elec engineering / computers.
Therefore ipso facto I am clueless as to how electrons are made and what
makes them stop. I think that is called sarcasm, Kleb.
In other words, I'd still first look for a slipping belt
The alternator light is the indicator in a voltage balance circuit --
it says there is current flowing through the alternator winding, not
balanced by output. The circuit is usually not directional, so
current flow from the battery to the alternator will cause it to come
on (not chargine),
Now the light stays on while the key is on the off position and goes
out
when key is the ready to start position.
It can't be the alternator, I'd say either the key switch
is shot (the electrical portion), or there's something
coupling battery power back into the ignition that oughtn't!
A bad alternator can charge OK, but burn up belts -- the one on my old
220 was so corroded that the rotor was knocking on the stator ring!
Ate belts like crazy, and finally lost enough diodes the battery
wouldn't stay charged if I drove at night.
Peter
Thanks!
On 12/5/06, LT Don [EMAIL PROTECTED] wrote:
Ok. I shall disregard my military specialty in electronics. I am sure you
guys are correct.
--
OK Don, KD5NRO
Norman, OK
The Americans will always do the right thing... after they've
exhausted all the alternatives.
Sir Winston Churchill
'90
I think you missed the part about the light being on while the
ignition was turned off.
On 12/5/06, LT Don [EMAIL PROTECTED] wrote:
1975 to retirement in 1995, my military specialty/job was in electronics /
elec engineering / computers.
Therefore ipso facto I am clueless as to how electrons
@okiebenz.com
Sent: Tuesday, December 05, 2006 10:03 PM
Subject: Re: [MBZ] Red dash light for Battery is staying on
1975 to retirement in 1995, my military specialty/job was in electronics
/
elec engineering / computers.
Therefore ipso facto I am clueless as to how electrons are made and what
makes
Shorted windings won't be fixed by a regulator replacement -- my
alternator light got brighter as the engine speeded up, not dimmer --
new alternator. I'd replaced the regulator a couple of years prior.
Peter
Thinking about it, if a main alt. diode was shorted battery voltage
could be coupled to the windings, and thence to the B output
where the light goes. And if there's enough draw off of the
other end of the light, such as the rest of the car's electronics,
it could result in the light going on
You missed the part where the engine and ignition were off, and the light
was on. Thats why your diagnosis was off. I doubt a loose belt will cause
the battery light to come on when the car isn't running.
Quit taking everything as a personal attack and read the post.
Mike
On 12/5/06, LT Don
LT Don wrote:
In other words, I'd still first look for a slipping belt before buying
a new alternator, because that was a problem I had last winter: belt
loose, alternator doesn't turn right, battery doesn't charge, you
can't start suddenly.
In this case, I thought the symptoms were:
1.
Oops, I messed up in my last posting.
If the ignition didn't disconnect the power to the regulator
when the car was shut down, the alternator/regulator should
drain the battery in with the charge indicator lit. (but I
would think the drain would be very slow)
How would a slipping belt have any effect on the car when the engine is
not running? I yield to your vast military experience on that one. He
said the light stays on when the key is turned off and the engine is not
running. I guess its a slipping belt. Every time I have had that
happen to
Right.
Jim Cathey wrote:
Thinking about it, if a main alt. diode was shorted battery voltage
could be coupled to the windings, and thence to the B output
where the light goes. And if there's enough draw off of the
other end of the light, such as the rest of the car's electronics,
it could
You weren't hallucinating Kaleb, the military (not just LT, but the WHOLE
MILITARY), using their experience with electronics, actually made it LOOK
like the alternator was bad when really, it was just a slipping belt. They
had had an elaborate scheme where by you were supposed to ignore the
yes, that explains it.
Michael Hall wrote:
You weren't hallucinating Kaleb, the military (not just LT, but the WHOLE
MILITARY), using their experience with electronics, actually made it LOOK
like the alternator was bad when really, it was just a slipping belt. They
had had an elaborate scheme
i suspect the electrical part in your ignition switch. There may be some ice
inside so the swith doesn't work.
The charging light gets fed 12V from the switch to one side and ground (I
wire) through the field windings on the other. Key on - the lamp lights.
When the Alternator is producing
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