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Apr 7, 2008, 03:34 PM
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#1
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Evolving Member
Personal Sales Rating: ( 0)
Join Date: Mar 2007
Location: Somewhere...
Posts: 292
Drives: 2006 EVO MR
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Blue antenna wire (amplified antenna)
Just wondering if the blue antenna wire used to power the antenna is 12v live? If not, does it get the power from the head unit?
I'm trying to diagnose a slow battery drain, and can't seem to figure out where it might be coming from; or if I even have a drain and the battery is just defective. I only noticed the battery dying after connecting the antenna power wire, and leaving the car sitting for 4 to 5 days.
My only mods involving anything electrical have been an installation of a JVC KD-NX5000 head unit. I used a wire harness from Crutchfield to aid in the install, and from what I can see, everything is connected properly.
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2009 Nissan GT-R Next on the "to-buy" list
2006 EVO MR SE: Tarmac Black with SE package *stock*
2005 BMW M3: PSS9's, Axxis Ultimate, Stoptech SS lines, Borla, TMS plates, RE RSM's, Lidatek, Sirius, Streamline, etc... *sold*
2004 Zuk XL-7: Smurf blue, baby seat, baby vomit odor, Sirius One, and fuzzy dice *sold*
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Apr 7, 2008, 09:16 PM
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#2
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Evolved Member
Personal Sales Rating: ( 28)
Join Date: Apr 2007
Location: Newport News,VA; Kansas
Posts: 1,195
Drives: 06 IX MR
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Are you talking about the blue wire in the wire harness or the one coming from the headunit. Regardless, if you don't have any amps, the blue wire, and/or blue/white wire if your HU has it, should not be hooked up to anything. Just tape them off. The blue wire coming out of the harness should not be hooked up to anything either since our cars don't come with power antennas. It doesn't power the antenna itself, it powers the motor, or relay, to raise and lower then antenna on such equipped cars.
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Apr 8, 2008, 06:28 AM
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#3
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Evolving Member
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Posts: 292
Drives: 2006 EVO MR
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I originally did not have the blue wire coming out of the HU attached to the blue wire in the harness, but my FM/AM reception suffered. It was not until later that I realized that the antenna was actually amplified. So, I ended up connecting the blue wires together.
If they're not supposed to be connected, how does one compensate for the poor reception?
__________________
2009 Nissan GT-R Next on the "to-buy" list
2006 EVO MR SE: Tarmac Black with SE package *stock*
2005 BMW M3: PSS9's, Axxis Ultimate, Stoptech SS lines, Borla, TMS plates, RE RSM's, Lidatek, Sirius, Streamline, etc... *sold*
2004 Zuk XL-7: Smurf blue, baby seat, baby vomit odor, Sirius One, and fuzzy dice *sold*
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Apr 8, 2008, 10:30 PM
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#4
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Evolved Member
Personal Sales Rating: ( 28)
Join Date: Apr 2007
Location: Newport News,VA; Kansas
Posts: 1,195
Drives: 06 IX MR
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I've never heard of a factory amplified antenna, except maybe for those in-glass antennas. That doesn't mean that it's not though. I don't know. I don't have mine hooked up and I have good reception. Is there actually a wire coming out of the factory plug that coincides with the blue wire? Did you actually get better reception by hooking it up?
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Apr 9, 2008, 02:16 PM
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#5
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Evolving Member
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Drives: 2006 EVO MR
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Yes, reception improved ten-fold by connecting my blue antenna wire from my HU to the blue power antenna wire on the harness. For example, I could not tune into any AM stations prior to connecting the wire. Now, I have reception to all AM stations in my area. FM reception has also improved greatly.
From what I've read on these forums, is that the antenna is amplified and will require a 12v source in order to operate correctly. I just don't know if connecting this wire is causing some sort of a slow drain on my battery; hence my question.
__________________
2009 Nissan GT-R Next on the "to-buy" list
2006 EVO MR SE: Tarmac Black with SE package *stock*
2005 BMW M3: PSS9's, Axxis Ultimate, Stoptech SS lines, Borla, TMS plates, RE RSM's, Lidatek, Sirius, Streamline, etc... *sold*
2004 Zuk XL-7: Smurf blue, baby seat, baby vomit odor, Sirius One, and fuzzy dice *sold*
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Apr 9, 2008, 02:18 PM
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#6
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Evolving Member
Personal Sales Rating: ( 5)
Join Date: Oct 2005
Location: CHI-TOWN
Posts: 137
Drives: what's a car?
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Why not just do a battery draw test to see what the problem is?
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