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-   -   Antennae (http://www.aleromod.com/forums/showthread.php?t=36790)

Silver SLP 02-17-2013 11:22 PM

Now that I have it all put back together, I'm wondering...

Should the blue/white wire from the radio that is connected to my subs also be connected to the blue/white wire which goes to dark green for the antenna? I thought that the solid blue wire was for the antenna, but after looking over the wiring diagram for the radio (for the 100th time) it says it is not used, even though it is labeled "P. Ant." Is that only for motorized antennas and not the power for the antenna?

I guess next weekend I will try that. Sorry that I sound like such a n00b :box:

Nas Escobar 02-17-2013 11:57 PM

"P. Ant" means "POWER ANTENNA" as in that's the lead that makes the Antenna go up and down.

I assume the Alero's antenna is similar to a cigarette lighter, where it has to be on a switched constant to work. Should that be the case, then you should wire the green wire that's for the antenna to the red wire on the radio so it gets turned on whenever the radio is on. You could also wire it to the blue sub wire. Either way, it would be powered as it is a switched constant.

Silver SLP 02-18-2013 12:18 AM

Ok that makes sense.
So if I wire the green antenna wire to the blue/white sub wire, would that mean the antenna would only be turned on when the subs are turned on? Cause sometimes I have them turned off from the radio settings

a.graham52 02-18-2013 07:15 AM

in my opinion you should use the power antenna wire. this wire will only be powered on when the radio is on (not when the cd playing is going or aux input is going) unlike your sub switch which is on anytime the head unit is powered up or the power wire which would leave the anteena powered up 100% of the time. i look up your wiring diagrams for your radio at time point today.

a.graham52 02-18-2013 07:22 AM




zzyzzx 02-18-2013 10:18 AM

Quote:

Originally Posted by Nas Escobar (Post 633291)
"P. Ant" means "POWER ANTENNA" as in that's the lead that makes the Antenna go up and down.

I assume the Alero's antenna is similar to a cigarette lighter, where it has to be on a switched constant to work. Should that be the case, then you should wire the green wire that's for the antenna to the red wire on the radio so it gets turned on whenever the radio is on. You could also wire it to the blue sub wire. Either way, it would be powered as it is a switched constant.


:agree:

At least give it a try and report back. Either that or the antenna output on the aftermarket head unit does not work.

Silver SLP 02-18-2013 12:58 PM

Quote:

Originally Posted by a.graham52 (Post 633304)
in my opinion you should use the power antenna wire. this wire will only be powered on when the radio is on (not when the cd playing is going or aux input is going) unlike your sub switch which is on anytime the head unit is powered up or the power wire which would leave the anteena powered up 100% of the time. i look up your wiring diagrams for your radio at time point today.


I'm confused. The power antenna wire from the car is dark green (currently not connected to anything). The power antenna wire from the radio is blue with a white stripe, which is connected to my remote wire for my amp.

The sub wire and the antenna wire is the same wire, and my amp works whether its on radio or cd/aux. So what do you mean by it will only work when on the radio?

Page 19 - http://a248.e.akamai.net/pix.crutchf...113KDC202U.PDF

My subs can be turned off manually by going into settings (like when coming home late at night.) Otherwise yes, they would always be powered on. I assume that when I turn them off, I would also turning off the power to the antenna?

zzyzzx 02-18-2013 01:16 PM

You can just try connecting switched +12V power to the antenna output and see if that works, even if just for testing purposes. Otherwise, without a voltmeter I would not even attempt to do what you are trying (since I don't trust wire colors).

a.graham52 02-18-2013 01:32 PM

Quote:

Originally Posted by Silver SLP (Post 633285)
I tried the factory radio in the car, perfect signal. Every station comes in great...

(I have a white/blue wire coming out of my Kenwood KDC-352U radio (I believe is labeled P. cont.) which is connected to my aftermarket amp for my subs.)

1. There is a solid blue wire coming out of the radio harness labeled, "P. Ant." for power antenna. Not connected to anything

2. There is a dark green wire in the factory harness, that when connected to the aftermarket radio color adapter, comes out blue/white colored. This wire was not connected to anything.

3. I connected the solid blue wire (P. Ant.) to the blue/white (which is really dark green in the factory harness as stated above) and it make absolutely no difference in my radio reception. It is still awful.

Can anyone confirm that my wiring is mixed up? It would be great if someone had a picture or something so I can see how theirs is set up. Thanks for the help!


that wire "should" only be powered when the headunit is on and in the radio setting. cd, aux, etc this would "should" not be powered.

Silver SLP 02-18-2013 03:30 PM

Right, that is the wire I tried last night and it did not work. I contacted Kenwood and they said that the blue/white wire should be used for my amp AND for the antenna signal. I will try that next.

I guess if I go into settings to turn off my amp I will also lose antenna signal. Therefore I will just have to turn the sub volume down (to 0) instead of turning it off.

Thanks for the wiring diagram and the trouble shooting help!

Silver SLP 02-22-2013 04:23 PM

Update
 
Well I connected the dark green antenna wire to the blue/white P. Cont and now my reception comes in pretty good!

Thanks a lot to all who contributed! :thumb:


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