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| shannonwulff |
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heyy
what voltage/signal is needed to trigger the high series EF BEM to activate the antenna? I bought a new Alpine HU and stocko antenna, which I have confirmed to be working by putting +12 onto. When the stereo is switched to radio, 3-5V is supplied on the signal wire, but when connected to the car does nothing. I have tested the up and down lines at the BEM too, and no power is supplied. has anyone else solved this one? thanks heaps.
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| knowsfords |
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Use a relay?
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| shannonwulff |
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providing what to the BEM though? thats what I need to know.
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| shannonwulff |
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anyone?
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| maximus |
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Pretty sure the output on the trigger wire of an Alpine headunit should be 12V.
The wire is blue, or blue with a white stripe. If it's only 5V I'd say it's got issues. Regardless, it can switch a relay on, then you can use the relay to provide 12V where it's needed.
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