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91 SL500, Guages don't Work and Top will not go up or down

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91 SL500, Guages don't Work and Top will not go up or down

 
Old 02-27-2006, 07:19 PM
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91 SL500, Guages don't Work and Top will not go up or down

Hello,
I have a 1991 SL500 and have some serious problems that I cannot figure out. none of the gauges work except for the fuel guage and the top will not go up or down. I have torn the car apart looking for the problem, but cannot seem to find any thing that helps. I do not know what to do. Has anyone ever had any problems like this? Any help would be great. Thanks
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Old 02-27-2006, 07:29 PM
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my guess that it is a fuse.

look under the hood for teh fuse box.

mark
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Old 02-27-2006, 09:06 PM
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I checked the fuses and had no luck...
do specific fuses cover this problem?
Thanks for the imput
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Old 02-27-2006, 09:26 PM
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did you check the fuse box in the trunk :/
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Old 02-27-2006, 09:41 PM
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I have checked both the fuses in the trunk and the hood and have had no luck. At one point the top suddenly went down, but now it won't go up. It is very strange, I'm not sure if there is just a trick I need to know. Thanks for your help.

Mike
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Old 02-27-2006, 09:48 PM
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Sorry,
The temp guage is the only guage that is working, not fuel.

Mike
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Old 02-28-2006, 10:05 PM
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ML350, S500, C280 Sport, 300SL, 190e 2.3 16V (2)
Check the OVP fuses? The OVP looks like a little square box, with a clear top. It is in the electrical compartment in the engine bay in front of the passenger. There is one or two fuses in there; I think maybe 5 amp or 7.5 amp ATO type fuses. Check them with a VOM even if they look good.
Why do I say this - I had electrical problems for weeks. Someone suggested the OVP, and I looked at the fuses. They were not looking blown. Finally I checked them with a VOM, and one was bad, Replaced the 50 cent fuse and all was back to normal.
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Old 03-02-2006, 09:06 PM
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'03 SL500, '03 SL55, '00 S500, (5) R129s
The soft top controller receives an input for vehicle speed from the instrument cluster. Since your cluster is shot, that is probably why the top doesn't work.
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Old 10-05-2018, 09:44 PM
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1990 500SL r129
Originally Posted by mikebla View Post
Sorry,
The temp guage is the only guage that is working, not fuel.

Mike
hi guys, how did you solve that problem in the end? My 1990 500SL got same problem too..pls
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