Hirschmann power antenna - Mercedes-Benz Forum

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post #1 of 3 (permalink) Old 06-20-2009, 04:17 PM Thread Starter
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Smile Hirschmann power antenna

I just got a hirschmann power antenna for my W115. Its the old 3 pin type. I tested it and antenna goes up fine. Now I can't make it go down.

Red on positive and Brown wire on negative. Put the white wire (Signal) to positive and antenna went up. Did the same again but won't go down. Anyone knows how to make it go back down?

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post #2 of 3 (permalink) Old 06-22-2009, 12:06 PM
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Give TOM a call at 201-773-0976 or index. He can offer a solution.
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post #3 of 3 (permalink) Old 06-23-2009, 03:18 AM
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Disconnect your antenna switch from the little electrical holder. Find the hot going into the switch. The normal position going up of the switch and test it for continuity using a multimeter. Now the other side going down. You should have the same for the other side.
The antenna has a motor that is a DC motor. DC motors can be reversed and this is why they go down. Find a comparable switch and replace it for a check and try again. You might see the antenna go down.


I have a knack for this stuff.
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