M-Class (W164) Produced 2006-2011: ML280CDI, ML320CDI, ML420CDI, ML350, ML500, ML550

Aerial amplifier

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Old May 21, 2024 | 04:50 PM
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Smiffy177's Avatar
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From: Biggin Hill, Kent
Ml 320 cdi
Aerial amplifier

Can anyone tell me where the radio aerial amplifier gets its feed from. I have no power an as such no radio reception. Just in case anyone else is having a similar issue I linked into the main supply to the wiper motor with a 5amp in-line fuse. This is a temp fix while I find out where to start looking
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Old Jun 1, 2024 | 05:19 PM
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07ML350NNJ's Avatar
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2007 ML350 US; 2017 GLE350 4Matic
Aerial amplifier

Originally Posted by Smiffy177
Can anyone tell me where the radio aerial amplifier gets its feed from. I have no power an as such no radio reception. Just in case anyone else is having a similar issue I linked into the main supply to the wiper motor with a 5amp in-line fuse. This is a temp fix while I find out where to start looking
I'm not sure this will help, but - When I first installed a new head unit, the Aerial amplifier did not power up because I did not connect the wires right. I had to make sure that the head unit wires to turn on 'power antenna' were connected on my schosche adapter. I had mistakenly thought that wire was used for those old-school antennas that disappeared into the fender when you powered off the stereo, and I did not connect it when I first did the install. Apparently the Aerial amplifier was triggered by the head unit being powered on and off (rather than the car being powered on and off). Once I connected that to the scosche adapter, the Aerial amplifier turned on and everything powered on.
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