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71-74 Javelin radios

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rodhhrod View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote rodhhrod Quote  Post ReplyReply Direct Link To This Post Topic: 71-74 Javelin radios
    Posted: Jul/18/2017 at 12:32pm
Anybody out there that is very familiar with the different radios that were offered in especially the 71's and the different plugs?
Thanks
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304-dude View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 304-dude Quote  Post ReplyReply Direct Link To This Post Posted: Jul/18/2017 at 12:48pm
71 to 74 Javelin used the same radios. You had three options. AM only, AM - 8 Track, and AM/FM.

AM only has no fader, while the later has a fader dial with wiring to the speakers added to the dash.

Stereo door speakers and rear speakers require the fader circuit.

71 Javelin SST body
390 69 crank, 70 block & heads
NASCAR SB2 rods & pistons
78 Jeep TH400 w/ 2.76 Low
50/50 Ford-AMC Suspension
79 F150 rear & 8.8 axles
Ford Racing 3.25 gears & 9" /w Detroit locker
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rodhhrod View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote rodhhrod Quote  Post ReplyReply Direct Link To This Post Posted: Jul/18/2017 at 12:52pm
Does the fader have a 3 prong plug? Anybody have a picture of that?
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304-dude View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 304-dude Quote  Post ReplyReply Direct Link To This Post Posted: Jul/18/2017 at 1:23pm
Originally posted by rodhhrod rodhhrod wrote:

Does the fader have a 3 prong plug? Anybody have a picture of that?



I did a search and found AM could have optional fader control with rear speaker. The AM unit would have 3 a pronged control, as with the AM/FM and AM 8 Track the fader control would be different, as there is a balance dial

Not sure about the door speaker system, if it is available with AM/FM, FM became FM stereo later after 72. So I would assume 73 on up had door speaker options with AM/FM radios.

Edited by 304-dude - Jul/18/2017 at 1:33pm
71 Javelin SST body
390 69 crank, 70 block & heads
NASCAR SB2 rods & pistons
78 Jeep TH400 w/ 2.76 Low
50/50 Ford-AMC Suspension
79 F150 rear & 8.8 axles
Ford Racing 3.25 gears & 9" /w Detroit locker
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ramblinrev View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote ramblinrev Quote  Post ReplyReply Direct Link To This Post Posted: Jul/18/2017 at 1:45pm
71-74 Javelin radios are often mistaken for '73-77 Hornet/Gremlin radios, which look very much alike. A '71-74 Javelin radio, however, has a mounting bracket on top of the case, and chrome (vs. black plastic) pushbuttons, and will not have the little fader 'lever' above the dial as a '74 and up Hornet/Gremlin AM-FM stereo will have. '74 radio has the American Motors on the faceplate to the right, not centered as on the earlier ones. Interesting little move...I'm not sure why!


Edited by ramblinrev - Jan/17/2021 at 7:36pm
74 Hornet Hatchback X twins (since 1977)
62 American Convertible (still worth the $50 I spent in 1973!) AMCRC #513, AMO #384
70 AMX 360 4-speed (since 1981)
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dltowers View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote dltowers Quote  Post ReplyReply Direct Link To This Post Posted: Jul/18/2017 at 7:36pm
Maybe this will help.
Photo of Fader Control Assembly on '74 with 3 speakers (1 ea in door and 1 in rear package tray)....
The Rear Speaker plays all the time, this fader selects right or left door speakers.
**This set up does not have a speaker in the front dash speaker grill**....



Original Owner, 1974 Javelin:
360ci,2v,727TC. Motorola Multiplex with 8-Track.
G4 Plum exterior with 421Q Black Uganda Interior. Purchased on July 16, 1974 from Hooker AMC, Sherman, TX for $4500.20
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rodhhrod View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote rodhhrod Quote  Post ReplyReply Direct Link To This Post Posted: Jul/18/2017 at 8:15pm
304 dude, I noticed you have a shell, do you have anything else AMC! Just curios, I have done some research myself that is why I went to the forum who actually has something.
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304-dude View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 304-dude Quote  Post ReplyReply Direct Link To This Post Posted: Jul/18/2017 at 8:28pm
Originally posted by rodhhrod rodhhrod wrote:

304 dude, I noticed you have a shell, do you have anything else AMC! Just curios, I have done some research myself that is why I went to the forum who actually has something.

A shell? You mean my stripped car... not for sale. Actually this is the only AMC I have, and have a small collection of parts for when there is someone in need.  One bad thing of all the parts, is the original engine and tranny. They were fresh and no leaks. But i had no use for them, because they are pre 72 and out in mid state IL.  Location is everything when it comes to shipping or pickup.

Though if you are looking for something just post in the wanted section, there are a few members with parts cars, shells, and even restorable runners.

I have been very slow with work, mostly mods. I actually am going to use a modified Hornet AM/FM with fader slider in my car. The Javelin buttons had to be modified to fit correctly, as the chromed push buttons are not like the stubby black buttons on the Hornet radio.

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rodhhrod View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote rodhhrod Quote  Post ReplyReply Direct Link To This Post Posted: Jul/19/2017 at 10:46am
Well here is the whole story, bought the speaker kit from a forum member Kit #8992725. can't find the kit in the parts book. Found the harness #3211576 and speaker #3632708. The book states they are for a 71 Javelin. It says less tape player and less fm multiplex.I mostly bought the kit for the speaker harness
mostly for the harness than my curiosity came in. The harness has a 3 prong for the radio plug in and 2 speaker setup, one up front and one rear. But from what I understand from another forum member that has a 71 am radio it only has a 2 prong plug on it for the speaker. I have a few 8-tracks setups that has the 3 prong setup, a 69 and a 70, it would fit. The am/fm and am radio I have for the 70 has only 2 prong. So that is where I am at, that is why I am trying to find some 71-74 cars and find out who has what.
Thanks
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304-dude View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 304-dude Quote  Post ReplyReply Direct Link To This Post Posted: Jul/19/2017 at 11:43am
The 3 prong connector should be 1 input 2 out. On monoral sound radios, AM, and 71 AM/FM, two connectors are ground and amplified signal to the front speaker.

Ground can be from the body or chaises that the speaker attaches to, but should be an integral part of the harness.

Example: the radio 2 wire connection goes to a two wire connection on the control harness with the control having 3 wires. Not knowing if ground is ran with the wire to the rear speaker, I can assume the rear speaker connector has either a ground wire and mounting terminal to be screwed In place near by, or a ground wire with the amplified signal wire from the control.

If using a multiplexed FM radio or an AM / 8 Track unit, there would be a different control and speaker harness.

71 Javelin SST body
390 69 crank, 70 block & heads
NASCAR SB2 rods & pistons
78 Jeep TH400 w/ 2.76 Low
50/50 Ford-AMC Suspension
79 F150 rear & 8.8 axles
Ford Racing 3.25 gears & 9" /w Detroit locker
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