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Old 10-08-2008, 11:36 PM
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pishta pishta is offline
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Red face power Antenna works opposite....

Just replaced the power antenna mast in my car, (lets just say it aint my Barracuda) and now the mast raises when I turn the radio OFF and retracts when I turn in on! What happened? Its like this. I put the radio in ANT mode to release the antrenna (AM and TAPE while turning car to ACC) according to the instructions. It came out all right. I popped the cover off the gearbox and removed the rest of the broken belt. Snapped it back on and fed the new belt into the mast socket. I turn the radio off, and the gear is trying to push the antenna out (raise) again! I turn the radio on and the darn thing sucks the antenna back into the base. Its A$$ backwards now and I cant figure out how to get it back in phase. And no, I didnt wire the motor backwards. Id there a relay that can be unplugged/plugged when its working to get it back in phase? Its on a Lexus, but it looks to be the same procedure as most other cars including newer Mopars. Feeling stupid....and my wife is just shaking her head....HELP!
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Old 10-09-2008, 12:26 AM
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Biggrin

Either the belt is twisted into a figure 8 or it is supposed to be.
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Old 10-09-2008, 10:24 AM
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Aw, C'mon Dick, I expected a little better than that!
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Old 10-09-2008, 11:01 AM
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Quote:
Originally Posted by pishta View Post
Aw, C'mon Dick, I expected a little better than that!
I didn't mean to sound like a smartass. I was visualizing your problem based on the information. It didn't sound like you did anything to the electrics, so that would leave just the mechanical drive. The belt broke and you replaced it. The belt could have a quarter turn twist between drive and driven pulleys. If the turn was reversed, the action would be opposite of desired. Like the belt on some upright vacuum cleaners must be put on a certain way or the beater bar will run backwards. Admittedly, I have never seen one of these apart.

Maybe someone else has the solution.
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Old 10-09-2008, 11:14 AM
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OK, I have done some reading. The "belt" is probably a flat, flexible strip that has teeth on one side and it slides up and down in a tube. The strip is connected to the antenna mast and the other end rides against a pinion gear. Right so far? The direction of movement, up or down, would depend on which side of the pinion gear the strip was fed into. Does that sound any better?
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Old 10-09-2008, 11:20 AM
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More info. Here is an excellent repair pictorial that may be helpful to review.

http://www.lexls.com/tutorials/audio/powerantenna.html
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