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Old 11-16-2007, 09:06 PM
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Zeus Zeus is offline
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Join Date: Feb 2000
Location: Canada
Posts: 1,774
Quote:
Originally Posted by brewtoo View Post
The gauge on my '91 124 reads fine above 1/2. Below that it becomes erratic. The light works fine, of course, since it is operated by a different signal on the sending unit.

I replaced the sending unit and it made NO DIFFERENCE. I also tried a different gauge and that made no difference either. I cleaned tightened every ground connection in the car that I could find. That made no difference either.

So, I guess there are ghosts in my electrical system.

YMMV
I have had this exact problem on my 300E and the 280E before it. Identical symptoms. I even contacted VDo about it. Replaced sender on both, didn't help. There was talk of a cold solder joint on the instrument cluster behind the fuel gauge that could fail over time, but I never got around to testing it.
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2007 E550 4Matic - 61,000 Km - Iridium Silver, black leather, Sport package, Premium 2 package
2007 GL450 4Matic - 62,000 Km - Obsidian Black Metallic, black leather, all options
1998 E430 - sold
1989 300E - 333,000 Km - sold
1977 280E - sold
1971 250 - retired


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