on the board. A loose wire can make a
buzzing noise when the power sparks across the gap. Check all the
contacts in the plug on the back of the board.
Manfred
Message: 7
Date: Fri, 7 Aug 2009 16:47:28 -0400
From: Bill R billr32...@comcast.net
Subject: Re: [MBZ] Dash console dead - 1981 300SD
Guess
-Original Message-
From: mercedes-boun...@okiebenz.com [mailto:mercedes-boun...@okiebenz.com]
On Behalf Of MG
Sent: Saturday, August 08, 2009 8:09 AM
To: Mercedes Discussion List
Subject: Re: [MBZ] Dash console dead - 1981 300SD
Maybe a relay problem since it changes when you messed
From: Bill R billr32...@comcast.net
Sent: Saturday, August 08, 2009 6:12 AM
To: Mercedes Discussion List mercedes@okiebenz.com
Subject: Re: [MBZ] Dash console dead - 1981 300SD
I didn't know the relays were interchangeable. I had noticed that there
seems to be more pins than metal
Finding a parasitic leak = real fun. ;
Wilton
- Original Message -
From: j...@windwireless.net
To: Mercedes Discussion List mercedes@okiebenz.com
Sent: Saturday, August 08, 2009 11:06 AM
Subject: Re: [MBZ] Dash console dead - 1981 300SD
The flasher will whine/buzz
, August 08, 2009 11:07 AM
To: Mercedes Discussion List
Subject: Re: [MBZ] Dash console dead - 1981 300SD
The flasher will whine/buzz if there's a load on it
even when the switch (to the lamps) is off. I found
this out when I hooked up an auxiliary clacker
relay in the SL, but did it 'wrong
Bill -
After a quick review of the ECM, The power for most of the cluster, but not
the clock, comes from fuse F12. Have you replaced that fuse? If that doesn't
help remove the cluster and probe socket #7 of the round connector for 12V.
The key needs to be in the run or start position for F12 to
Message-
From: mercedes-boun...@okiebenz.com [mailto:mercedes-boun...@okiebenz.com]
On Behalf Of Barry Stark
Sent: Saturday, August 08, 2009 2:58 PM
To: 'Mercedes Discussion List'
Subject: Re: [MBZ] Dash console dead - 1981 300SD
Bill -
After a quick review of the ECM, The power for most
Bill -
As Marshall used to say, it is best just to replace them. If you get
continuity it is a good sign and probably means it is ok but you can get
continuity across a hair fine wire but it won't carry any current. If you
must keep the fuse take it out and make sure the conductor isn't cracked
Discussion List'
Subject: Re: [MBZ] Dash console dead - 1981 300SD
Bill -
As Marshall used to say, it is best just to replace them. If you get
continuity it is a good sign and probably means it is ok but you can get
continuity across a hair fine wire but it won't carry any current. If you
must
I did it to myself, though I am not exactly sure of the part I screwed up.
For the past three years I have had an intermittent buzz [like a single
strand of a wire shorting out at times] on the blinker. It would be good
while flashing, but hum/buzz at times, and it's extreme was to make a
: Friday, August 07, 2009 3:42 PM
To: 'Mercedes Discussion List'
Subject: [MBZ] Dash console dead - 1981 300SD
I did it to myself, though I am not exactly sure of the part I screwed up.
For the past three years I have had an intermittent buzz [like a single
strand of a wire shorting out at times
Oh, you mean instrument cluster?
Wilton
- Original Message -
From: Bill R billr32...@comcast.net
To: 'Mercedes Discussion List' mercedes@okiebenz.com
Sent: Friday, August 07, 2009 4:47 PM
Subject: Re: [MBZ] Dash console dead - 1981 300SD
Guess I should get a bit more specific
Discussion List
Subject: Re: [MBZ] Dash console dead - 1981 300SD
Oh, you mean instrument cluster?
Wilton
- Original Message -
From: Bill R billr32...@comcast.net
To: 'Mercedes Discussion List' mercedes@okiebenz.com
Sent: Friday, August 07, 2009 4:47 PM
Subject: Re: [MBZ] Dash console
Me, too. ;
Wilton
- Original Message -
From: Bill R billr32...@comcast.net
To: 'Mercedes Discussion List' mercedes@okiebenz.com
Sent: Friday, August 07, 2009 5:31 PM
Subject: Re: [MBZ] Dash console dead - 1981 300SD
Yes. I am at an age when the correct term doesn't always
I'd start looking at/cleaning and tighening all the ground connections I
could find ---
On Fri, Aug 7, 2009 at 3:47 PM, Bill R billr32...@comcast.net wrote:
Guess I should get a bit more specific. The temp, fuel, oil pressure
[pegged at the top] speedo, tach and blinkers are dead. The clock.
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