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  #1  
Old 01-27-2006, 03:04 PM
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94 s500 Radio Antenna Won't Go Up

Just recently I noticed my radio reception became very poor. Then I realized that the power antenna was no longer coming up and when I turned the radio on. I do not even hear the motor trying to make it rise if someone powers the radio on and I am standing by the antenna itself. Do you think I need a new motor, is there any way that I could maybe pull it out just a little with a plier to get normal reception? Any insight would be greatly appreciated.

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  #2  
Old 01-28-2006, 01:22 AM
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Depending on how handy you are you could pull back the trunk liner and attach a direct electrical source to the hot wire to the antenna motor.

If it were mine, I would first check the fuses. I am unsure which style your car has, but if they are the small tubular ones that can be turned, try turning them. This style fuse is known for getting corrosion between the contact ends.

Keep us posted,

Haasman
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  #3  
Old 01-28-2006, 11:12 AM
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'94 S500: only 793 sold!
 
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Quote:
Originally Posted by sulman2703
Just recently I noticed my radio reception became very poor. Then I realized that the power antenna was no longer coming up and when I turned the radio on. I do not even hear the motor trying to make it rise if someone powers the radio on and I am standing by the antenna itself. Do you think I need a new motor, is there any way that I could maybe pull it out just a little with a plier to get normal reception? Any insight would be greatly appreciated.
Check out MenU#14 on my page for connections for the 'trigger' voltage.
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Old 01-28-2006, 01:56 PM
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I checked the fuses in the auxillary box, located rear right of the trunk and all the fuses are in tact. I gently tried to pull the antenna out with a plier but there was resistance from the cable, so I'm assuming that is still in tact. Does this help narrow the diagnosis, blown motor, lack of power..
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  #5  
Old 01-28-2006, 05:42 PM
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'94 S500: only 793 sold!
 
Join Date: Mar 2001
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Quote:
Originally Posted by sulman2703
I checked the fuses in the auxillary box, located rear right of the trunk and all the fuses are in tact. I gently tried to pull the antenna out with a plier but there was resistance from the cable, so I'm assuming that is still in tact. Does this help narrow the diagnosis, blown motor, lack of power..
It's probably a busted 'plastic' gear inside. . . common failure. If you take it apart, you may be able to repair it.
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  #6  
Old 01-28-2006, 10:25 PM
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I looked into the antenna, opened it up. The antenna goes up and down when I powered it independently. I checked the relay with a volt meter and no current is going through. ANyone know where and how much I can get the relay for?
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Old 01-28-2006, 11:05 PM
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'94 S500: only 793 sold!
 
Join Date: Mar 2001
Location: San Diego, CA
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Quote:
Originally Posted by sulman2703
I looked into the antenna, opened it up. The antenna goes up and down when I powered it independently. I checked the relay with a volt meter and no current is going through. ANyone know where and how much I can get the relay for?
Good job; repairing the antenna motor can be trying.

There s/b a part number on the relay???? Check here and other MB parts suppliers.
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  #8  
Old 02-05-2006, 01:39 AM
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Can't Find Relay Seperately

I contacted a few dealers and they said I cannot purchase the relay seperately. Anyone ever bought just a relay or know where I can get one for the antenna?
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  #9  
Old 02-05-2006, 09:49 PM
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I think some models have a switch on the dash board. Is yours turned off?


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