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#51 | |
Registered User
Join Date: May 2008
Location: 204
Posts: 903
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Re: AUX input jack for 67-72 AM radio
Quote:
Edit: I discovered that when the source is hooked up to the blue wires it is not being amplified, volume stays at same level when power is removed from radio
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1969 Chevy Custom Camper 3/4 ton Rust free survivor 1972 Chevy Blazer CST 4x4 Almost Rust free survivor 1972 GMC Jimmy 2wd Undergoing surgery Last edited by 69-72; 07-12-2014 at 12:25 PM. |
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#52 |
Registered User
Join Date: Dec 2012
Location: Bell Gardens Ca
Posts: 151
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Re: AUX input jack for 67-72 AM radio
Ok so I'm about to go to cell phone shack I mean radio shack to see if they believe in diodes resistors and all that fun electrical stuff still but before I leave I've read that the aux jack with 3 inputs works best and not the 5 and does it matter if it's stereo or mono and if I'm correct all I need is the 3 inputs cause all I'm doing adding a power signal and ground to the aux jack of so whiche wires should I be adding to or taking from since I'm more than likely going to running the out of the radio into the ash tray for a confined look
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#53 |
Registered User
Join Date: Jan 2014
Location: Wasilla Alaska
Posts: 537
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Re: AUX input jack for 67-72 AM radio
I did my 70 just like Blkcorvair said and it works great.
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#54 | |
Registered User
Join Date: Nov 2011
Location: Sheffield, ALA
Posts: 2,471
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Re: AUX input jack for 67-72 AM radio
Quote:
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#55 |
Registered User
Join Date: Oct 2011
Location: Damon, Tx
Posts: 8
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Re: AUX input jack for 67-72 AM radio
Holy smokes.. That was a great info thread. Wish I had the nerve to try that!
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#56 |
Registered User
Join Date: May 2008
Location: 204
Posts: 903
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Re: AUX input jack for 67-72 AM radio
I had my am/fm converted to an aux input recently so it is possible.
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1969 Chevy Custom Camper 3/4 ton Rust free survivor 1972 Chevy Blazer CST 4x4 Almost Rust free survivor 1972 GMC Jimmy 2wd Undergoing surgery |
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#57 |
Registered User
![]() Join Date: Oct 2012
Location: Geneva, Ohio
Posts: 201
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Re: AUX input jack for 67-72 AM radio
Blkcorvair,
This is perfect. Hope to install this week. Will post results. Thanks
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General Contrucktor |
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#58 |
Registered User
![]() Join Date: Oct 2012
Location: Geneva, Ohio
Posts: 201
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Re: AUX input jack for 67-72 AM radio
blkcorvair,
Followed your directions and it works great. Last year I installed stock AM radio (with a speaker from Turnswitch) but used it very little due to poor reception. Now with this AUX jack set-up I get to enjoy the great sound the speaker puts out and maintain stock look. Thanks for the post. Serge P.S. The only thing that is a little discouraging is the loose connection when patch cord is plugged in jack. Got them from radio shack.
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#59 |
Registered User
![]() Join Date: Oct 2012
Location: Geneva, Ohio
Posts: 201
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Re: AUX input jack for 67-72 AM radio
6 month update.
This set-up is still working great. I use it with my MP3 player all the time. By far the best 5 dollars I have spent on this truck. Thanks again Blkcorvair.
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General Contrucktor |
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#60 |
Registered User
Join Date: Apr 2011
Location: Fairview Park, Ohio
Posts: 1,031
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Just did this to mine old am today
So cool! Thanks. Posted via Mobile Device |
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#61 |
Registered User
Join Date: Aug 2013
Location: McPherson, KS
Posts: 86
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Re: AUX input jack for 67-72 AM radio
This is absolutely the cheapest/best way to connect any music player or phone to your audio system. The only shortcoming, if there is one, is that you'll hear mono, not stereo.
If your radio isn't working, you can just connect an aftermarket amplifier between your phone and original speaker. You can get a name-brand, highly-rated amp for under $100. If you go the route of an aftermarket amp, you can also wire your original-radio on/off/volume control to manage on/off and volume through the amp. I can add all sorts of features to original radios -- aux input, Bluetooth, USB, FM stereo, more power, pre-amp outputs -- but I realize that it's expensive compared to DIY options like the one descibed here, and not the best option for everyone.
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Scott 1972 C20 long-wide. 350/350, Cheyenne Super, wood bed, PS, PB, dual batteries, dual tanks, leaf springs, gauges. No significant rust. No significant paint. 1971 C10 short step. Originally a 250/3ott with no options, now a 350/4L80. I purchased it already restored; only needs about 300 little details fixed. |
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#62 | |
Registered User
Join Date: Apr 2011
Location: Fairview Park, Ohio
Posts: 1,031
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Quote:
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#63 |
Registered User
Join Date: Apr 2011
Location: Fairview Park, Ohio
Posts: 1,031
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if I get the 2k resistor what wattage should be used?
They vary and I didn't see it mentioned Thanks. Posted via Mobile Device |
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#64 |
Registered User
Join Date: Dec 2011
Location: Earth, NJ
Posts: 479
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Re: AUX input jack for 67-72 AM radio
1/4 watt should be fine for this, but you could do a 1/2
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#65 |
Registered User
![]() Join Date: Jul 2015
Location: Phoenix, AZ
Posts: 1,335
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Re: AUX input jack for 67-72 AM radio
Seeing as photobucket sucks does anyone have any diagrams or photos of this being done? Thanks.
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#66 |
Registered User
Join Date: Nov 2011
Location: Sheffield, ALA
Posts: 2,471
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Re: AUX input jack for 67-72 AM radio
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#67 |
Registered User
Join Date: Nov 2011
Location: Sheffield, ALA
Posts: 2,471
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Re: AUX input jack for 67-72 AM radio
For a few that wonders. Just resurrecting from the dead. Nearly a year later.
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#68 |
Senior Member
![]() Join Date: Jun 2010
Location: Orlando, Florida
Posts: 2,510
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Re: AUX input jack for 67-72 AM radio
Has anyone had any problem with the "noisy" sound after a while from corrosion of contacts with this mod? I asked my engineer friend if he could help me with this, but he is concerned that is the contacts corrode the sound would get noisy. He said something about it being a very low powered circuit,and that any corrosion might negatively affect the sound quality.
Any thought? Thanks. John
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71 Chevy C10 Shortbed Stepside. LT1 with 4l60E. Just got back from painter, in assembly now. |
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#69 |
Senior Member
![]() Join Date: Jun 2010
Location: Orlando, Florida
Posts: 2,510
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Re: AUX input jack for 67-72 AM radio
No comments or suggestions?
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71 Chevy C10 Shortbed Stepside. LT1 with 4l60E. Just got back from painter, in assembly now. |
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#70 |
Registered User
Join Date: Aug 2010
Location: RTP, NC
Posts: 518
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Re: AUX input jack for 67-72 AM radio
I do agree being a low power circuit it will be more susceptible to noise induced from corrosion. The resistance created by any corrosion would not have to be very high to have a significant impact on the audio, again because of the audio signal being low. I can not speak to this in practice though.
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![]() ![]() 71 C-10 - 307 - 3 on tree 01 Ford Explorer 5.0 v8 96 Mercury Cougar v8 79 Trans Am 403 Olds |
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