How to hook up the power antenna with a aftermarket stereo? - Toyota Nation Forum : Toyota Car and Truck Forums


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Old 10-31-2013, 01:17 PM   #1 (permalink)
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How to hook up the power antenna with a aftermarket stereo?

i been having my aftermarket stereo for some time now but ive been without my power antenna since it rotted from the power coil thing that makes it go up and down. I got a used one from a junkyard and it works good. How can i make my antenna go up and down whenever i use my radio on my stereo??
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Old 11-01-2013, 07:30 AM   #2 (permalink)
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Did you use a wiring kit or hack it up yourself? most aftermarket radios have a remote signal line to turn on/off remote amps, you can use that signal to run the power antenna. Just hook it up to the antenna wire IIRC.
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Old 11-01-2013, 06:43 PM   #3 (permalink)
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The problem is that the factory stereo has two wires coming out. When the tuner is on, one is +12V and the other is ground. When the tuner is first turned off they are the other way around. These make the motor spin upwards or downwards

Most aftermarket stereos have a single ANT (antenna) wire which is +12V when the tuner is on or sometimes an AMP control for when any part of the stereo is on. These can not be directly connected to the antenna control box, which expects two wires for up and down.

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Old 11-06-2013, 04:16 PM   #4 (permalink)
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Sounds like a job for DPDT relay actuated by the ANT output. Use it to switch the polarity of the two wires going to the factory antenna.
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Old 11-07-2013, 05:26 PM   #5 (permalink)
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Yeah, I was trying to avoid a manual switch but it may be the only solution that doesn't involve custom electronics.

I've jury rigged a battery charger up to the connections in the boot (aka trunk) to make it go up once and then disconnected the power lines (leaving only the signal lie connected.
Now it just stays up permanently.
Must remember to add a fox tail, pirate flag, set of boxer shorts or a bra to fly from it

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