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I've been here forever.
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Discussion Starter · #1 ·
Was wondering if anyone ditched the outside antenna and only used the one embedded in the glass and what the outcome was with reception and wiring. I tried searching, but nothing came up.

-James
 

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re-born
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erm I am pretty sure there is no antenna embedded in the glass like some newer cars

are you thinking about the defroster that is embedded in the glass?
 

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SF in my veins... sigh
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The MKIII aparently has two stock antennas... one rod... and one (supposedly) in the glass somewhere...

The Stock radio automatically selects which one is getting the best reception and uses that signal.

(Straight from the 86.5 documentation... unless they removed it in later years....)
 

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51Cards said:
The MKIII aparently has two stock antennas... one rod... and one (supposedly) in the glass somewhere...

The Stock radio automatically selects which one is getting the best reception and uses that signal.

(Straight from the 86.5 documentation... unless they removed it in later years....)
yeah, its said we have 2 and I heard that the window one is for AM and the antennae outside is for FM, well hope someone clears this up, peace
 
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Well, I can say that when I was using the stock radio and working on the antenna, the radio did not work well on the am side. My '88 had the two antennas, but I'm not sure if my '91 has both. I do know that I never used the in glass antenna, because my aftermarket radio had only one place to plug in an antenna.

G.
 
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In glass antenna is the bottom most 4 or 5 lines of the rear hatch window on my ’92 turbo. You can tell where the antenna stops and the defroster begins because of the gap between the two. If you remove the inside cover on the hatch, you’ll see where the antenna wire plugs in.
 

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The tape that comes wiht the car from factory states that they have 2 antenna's.. The copy i have makes reference to the redesigned climate control buttons so im assuming its for 89+ supras.
 

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25psi Bliss
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I'm considering using it for satellite radio antenna, but I'm not certain whether that'll work or if the standard sat. radio antenna's are specifically designed for sat. reception purposes?
 
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I have about 5 MKIII radios here from various years, and they all use the dual antennas.

Not really sure what antenna is used for what, and I've heard several different versions on how it works.

Couldn't find anything in the TSRM or the owners manual about it.

I just know that the stock Toyota AM/FM receiver is billion times better than my Alpine one.
 

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Madd Tyte JDM yo ®
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Yea, i noticed when i tore out my Pimp-daddy Alpine system, circa 1991, that i had 2 antennae leads.

On my RX7, i had 2 also. I disabled the one in the rear and removed it and ran my clarion off the windwheild antenna. Its obvious, you can see the antenna in the glass, its a small defroster line, almost like a hair. My reception w/ Only the glass antenna wasnt noticably bad but then again, Clarion has the SUPER TUNER!

btw, is the 91 supposed to have an stock amplifier under the pass seat??? cuz my 6-speaker s ystem doesnt have one and im worried that i wont be able to get an aftermarket stereo to work.
 

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Madd Tyte JDM yo ®
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lol... hmm, thast a tuffy... ive never seen my stock stereo or wiring... i think my car went into the Stereo/Tint shop as soon as the guy bought it... cuz it had some old ass stuff in it. if the stuff wsa brand new, i KNOW it would be top of the line goodies.... and the Tint was all purplized and scuffed up from rolling the windows up and down so much.

so i dont know what stereo option i had... :(
 
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BoostinMkIII said:
HMMMM that is weird have never seen one in the glass before you have any pics??
As pb92turbosupra pointed out, it looks EXACTLY like the heater wires.

Ever notice the lowest portion of the rear window doesn't defog? That's because there are no heater wires there, but the antenna.

Have a look, and you'll see where the two circuits separate.
 

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Shawndude said:
I have about 5 MKIII radios here from various years, and they all use the dual antennas.

Not really sure what antenna is used for what, and I've heard several different versions on how it works.

Couldn't find anything in the TSRM or the owners manual about it.

I just know that the stock Toyota AM/FM receiver is billion times better than my Alpine one.
According to the tape that comes with supras that explains how to work every feature, the stock deck switches between the 2, using the one with better reception.
 

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thats really odd
does it have two different plugs for it or what?
Cause when my regular antenna broke off at the carwash I couldnt listen to the radio till i replaced it

Is there a seperate plug i could have used for the Windshield one that is hidden?
 

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Yea, but its a differant style plug. it looks differant then the other one. you guys didnt know bout the second attena? it talks about it in the owners manuel
 

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LAG?? Learn to drive...
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just went out and hooked up the window antenna to my cd player. it looks like an rca cable but with a smaller center post. anyway i used a headphone splitter as an adapter for the regular ant, jack. i get the same reception as i did with my reg. ant. but now i am going to get a rubber plug and remove my ant. mast tommorow. good info, my 17 yr old car keeps getting better and better.
 
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