Genius.
On Mon, May 1, 2023 at 4:14 PM MG via Mercedes
wrote:
> Went through the same thing with mine. The thing
> that finally fixed it to this day is that micro
> electronic sender. Still works like a charm.
>
> Manfred
>
> Allan Streib via Mercedes wrote:
> > Yeah I've done that several times
Went through the same thing with mine. The thing
that finally fixed it to this day is that micro
electronic sender. Still works like a charm.
Manfred
Allan Streib via Mercedes wrote:
Yeah I've done that several times. Also cleaned the contact socket, the pins,
with contact cleaner. Also tri
That was the final straw that drove me to sell my W123 wagon.
On Mon, May 1, 2023 at 1:18 PM Jim Cathey via Mercedes <
mercedes@okiebenz.com> wrote:
> > I'm honestly not sure if it's the pin/socket contacts that are bad or
> the amplifier circuit.
>
> The hokey pin/socket arrangement is by far th
> I'm honestly not sure if it's the pin/socket contacts that are bad or the
> amplifier circuit.
The hokey pin/socket arrangement is by far the biggest culprit. But, it's
middle-aged
VDO electronics which can also have solder and/or capacitor problems. It _is_
curable,
but a PITA.
-- Jim
_
I know. I’ve been dealing with these since my first MB (1979 300TD) in 1988.
I never took up smoking, either.
-D
On May 1, 2023, at 10:10 AM, Andrew Strasfogel
mailto:astrasfo...@gmail.com>> wrote:
Dan, the cig butts do the trick temporarily. I've tried multiple butts when
the tach dies, but
Dan, the cig butts do the trick temporarily. I've tried multiple butts
when the tach dies, but eventually nothing helps.
On Mon, May 1, 2023 at 1:01 PM dan penoff.com via Mercedes <
mercedes@okiebenz.com> wrote:
> Hence my comment about resoldering or buying a pack of Marlboros. It
> usually too
Hence my comment about resoldering or buying a pack of Marlboros. It usually
took a couple of cigarette butts to do the trick.
-D
On May 1, 2023, at 9:50 AM, Dwight Giles via Mercedes
mailto:mercedes@okiebenz.com>> wrote:
I was told once that old timers would put a cigarette butt in the top of
Yeah I've done that several times. Also cleaned the contact socket, the pins,
with contact cleaner. Also tried tightening up the pin/socket interface in
several ways. It all works for a short time and then stops again.
I'm honestly not sure if it's the pin/socket contacts that are bad or the
a
That works for awhile but eventually nothing works and you have to
disassemble and repair the amp.
On Mon, May 1, 2023 at 12:51 PM Dwight Giles via Mercedes <
mercedes@okiebenz.com> wrote:
> I was told once that old timers would put a cigarette butt in the top of
> the amp to push contacts togeth
I was told once that old timers would put a cigarette butt in the top of
the amp to push contacts together.
On Mon, May 1, 2023, 12:40 PM Allan Streib via Mercedes <
mercedes@okiebenz.com> wrote:
> In my cars (W123 and W116 OM617 diesels), the dashboard gauge works, it's
> the amplifier that's fl
I'm interested in the interval thing, I've long been frustrated by the one
speed interval...
-Curt
Date: Fri, 24 Dec 2010 09:26:34 -0500
From: MG
To: Mercedes Discussion List
Subject: Re: [MBZ] Tach Amp
Message-ID: <4d14ad9a.8020...@yahoo.com>
Content-Type: text/plain; ch
On Fri, 24 Dec 2010 09:26:34 -0500 MG wrote:
> If I remember correctly he also makes an infinitely adjustable
> intermittent wiper relay that you just plug in. Fixes that stupid
> one set interval only original relay.
That looks intriguing. Might save some wear on the wiper switch from
constan
red
From: Hans Neureiter
To: Mercedes Discussion List
Subject: [MBZ] Tach Amp
How many of you have a malfunct tachometer in your old W 116,123,
124, 126,
etc.?
Predominantly caused by the Tach Amp. Temporarily fixed with a
cigerrette
but.
I found this guy, Bob Meyers in Austin, TX.
He
, so maybe use an oven temperature of 300 or 325, 'bake' for
> 10
> or 20 minutes; if no joy then try a hotter temperature.
>
> -Max
>
>
>
>
>
> From: Craig
> To: mercedes@okiebenz.com
> Sent: Thu, December 23, 2010
>
>
>
> From: Craig
> To: mercedes@okiebenz.com
> Sent: Thu, December 23, 2010 1:56:37 PM
> Subject: Re: [MBZ] Tach Amp
>
> On Thu, 23 Dec 2010 08:43:55 -0800 (PST) Max Dillon
> wrote:
>
>> I think it has more to do with bad solder join
ter temperature.
-Max
From: Craig
To: mercedes@okiebenz.com
Sent: Thu, December 23, 2010 1:56:37 PM
Subject: Re: [MBZ] Tach Amp
On Thu, 23 Dec 2010 08:43:55 -0800 (PST) Max Dillon
wrote:
> I think it has more to do with bad solder joints buried under the RTV.
On Thu, 23 Dec 2010 08:43:55 -0800 (PST) Max Dillon
wrote:
> I think it has more to do with bad solder joints buried under the RTV.
> That reminds me - there is an Xbox "fix" that I've heard about for bad
> solder joints, which involves placing some part of the Xbox in an oven
> for a period of t
e functionality. I wonder if the
same trick would work on the tachometer amplifier?
-Max
From: Hans Neureiter
To: Mercedes Discussion List
Sent: Thu, December 23, 2010 11:37:50 AM
Subject: Re: [MBZ] Tach Amp
Appearently it's a common problem.
I have
Appearently it's a common problem.
I have the suspicion mostly at fault is the socket the amp plugs into.
I have three amps and the all do the same - work for a short time with the
infamous cigarrette butt, than go haywire and soon after quit.
Seems the ferrules in the socket loose tension causing
I can say I have never actually seen the crank sensor go bad, its
always the tach amp. I guess they do go bad though from time to time.
On 12/23/2010 9:03 AM, Jaime Kopchinski wrote:
Why not just buy the correct part for $120 and have it last another
15-20 years? I don't understand the need f
they are anti electronics. except when electronics are cheaper.
On Thu, Dec 23, 2010 at 10:03 AM, Jaime Kopchinski wrote:
> Why not just buy the correct part for $120 and have it last another
> 15-20 years? I don't understand the need for this "fix" when the
> original part is still available a
too bad he cant do a $100 version of the unwired servo replacement
On 12/23/2010 5:53 AM, Mitch Haley wrote:
Hans Neureiter wrote:
How many of you have a malfunct tachometer in your old W
116,123, 124, 126,
etc.?
Predominantly caused by the Tach Amp. Temporarily fixed with a
cigerrette
but.
interesting
On 12/23/2010 5:25 AM, Hans Neureiter wrote:
How many of you have a malfunct tachometer in your old W 116,123, 124, 126,
etc.?
Predominantly caused by the Tach Amp. Temporarily fixed with a cigerrette
but.
I found this guy, Bob Meyers in Austin, TX.
He builds and sells a digital vers
quot;
To: "Mercedes Discussion List"
Sent: Thursday, December 23, 2010 10:03 AM
Subject: Re: [MBZ] Tach Amp
Why not just buy the correct part for $120 and have it last another
15-20 years? I don't understand the need for this "fix" when the
original part is still available
Why not just buy the correct part for $120 and have it last another
15-20 years? I don't understand the need for this "fix" when the
original part is still available and affordable.
The tach in my 79 300SD didn't work due to a bad sender at the
harmonic balancer. First time I've seen that. Luck
I love it! Unfortunately nothing for W124 yet...
-Max
From: Hans Neureiter
To: Mercedes Discussion List
Sent: Thu, December 23, 2010 6:25:20 AM
Subject: [MBZ] Tach Amp
How many of you have a malfunct tachometer in your old W 116,123, 124, 126,
etc
Hans Neureiter wrote:
How many of you have a malfunct tachometer in your old W 116,123, 124, 126,
etc.?
Predominantly caused by the Tach Amp. Temporarily fixed with a cigerrette
but.
I found this guy, Bob Meyers in Austin, TX.
He builds and sells a digital version of the amplifier. Simple plug-in
How many of you have a malfunct tachometer in your old W 116,123, 124, 126,
etc.?
Predominantly caused by the Tach Amp. Temporarily fixed with a cigerrette
but.
I found this guy, Bob Meyers in Austin, TX.
He builds and sells a digital version of the amplifier. Simple plug-in. Cost
1/4 of the OEM pa
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