Delco radio with aux. input added
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This topic is an FAQ-"73-87 Delco radio with aux. input added"
Hello all. This mod came about because I wanted to listen to my ipod in my truck, but I did not want to cut my dash. I looked into the aftermarket shaft style but right now I can't justify the cost, so for about $20 I made my own. If all this is a repost my apologies up front. The first thing I did was grab a stock radio from the local yard, and started to locate what wires were the tuner wires before the amp. This part is real easy, there is a ORANGE wire and GREEN wire that go from the main board to the amp board http://67-72chevytrucks.com/vboard/a...1&d=1297910944 What you need to do now is cut the wires in the middle so you don't need to solder directly onto the board. Now if you look at the location of the wires on the amp board it will tell you which one is left and righthttp://67-72chevytrucks.com/vboard/a...1&d=1297911315 Next you need to get a switchable female aux. input. I found one at radio shack, and it is real easy to locate because it will have 5 posts and has a clear side so you can see inside to id which is in and out for both the left and the right channels. The reason you need a switchable input is because without something plugged in you have normal radio function, but as soon as you plug your ipod in it will disconnect the radio function and will send the new source into the amp http://67-72chevytrucks.com/vboard/a...1&d=1297911889 So now that you have cut the wires you need to solder 5 wires onto the aux. input. 1 ground that goes to the radio body , a right channel in and out, and a left channel in and out http://67-72chevytrucks.com/vboard/a...1&d=1297912252 Now you need to find out which is the left and right channels on the male portion that you plug in. If you look at the plug you will see 3 sections, the first at the tip is the left channel, the next one is the right channel, and the third is the ground. You need to solder the the red and green wires from the main board to the input posts on the aux. input then solder the output wires of the aux. input to the wires going into the amp board. Once that is done you need to drill a small hole for the input to mount into, I found that just above the first channel select was about the best spot. This will involve cutting the am/fm selector plate to clear the wires. After all that it is time to put the radio case back together http://67-72chevytrucks.com/vboard/a...1&d=1297913731 One thing you need to be careful of is to have the radio off when you plug in and unplug your ipod because for a brief instance everything will be connected and the possibility of damaging something is higher. With all things electrical take your time and double check all conections before you solder, I learned this the hard way and burnt up a perfectly good radio. I also used an am/fm only radio because you have more room to work, but I am sure one with a cassette would work also. I am sure I confused some people with all of the input here and output there but if you shoot me a pm I could try and help. I just realized that this should be in the audio section, sorry about that. Could a mod please move it. Dang newbies |
Re: Delco radio with aux. input added
Man!! I've been wanting to do this forever! how does it sound??
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Re: Delco radio with aux. input added
It sounds good, but it probably couldn't hang with a new aftermarket head unit.
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Re: Delco radio with aux. input added
Super Cool mod and thanks for sharing.
Frank |
Re: Delco radio with aux. input added
I'll definitely be messaging you with some questions lol i'm gonna do it soon.
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Re: Delco radio with aux. input added
No problem. If you need different pics let me know.
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Re: Delco radio with aux. input added
lemme see if I get it, You're just finding the right and left inputs going from the tuner to the amp and you're putting the input between them? Do you have a pic of the input you bought, and also just a close up of the cut wires?
Thanks so much, so glad someone figured out how to do this!! |
Re: Delco radio with aux. input added
I don't have a pic of the input but I can swing into radio shack and get a part number.
You've got it the input goes directly in between the tuner and amp. This is my first time posting something like this so next time I will grab the camera sooner. |
Re: Delco radio with aux. input added
Excellent! I think I'll be able to pull it off lol just gotta find the right input at radio shack.
Thanks a lot man! |
Re: Delco radio with aux. input added
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more pics I hope this helps
I made a mistake in the first post, it is the ORANGE and green |
Re: Delco radio with aux. input added
This is tha mod i been looking for info on for awhile..thanks for tha info fam..
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Re: Delco radio with aux. input added
Very cool. This needs to be a sticky...
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Re: Delco radio with aux. input added
THANK YOU SO MUCH FOR SHARING!!!... I will be using this mod for sure as I like the look of stock.
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Re: Delco radio with aux. input added
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Hey man, My radio's guts look a little different! Maybe you can point me in the right direction. My wires appear to be orange yellow and blue, which would I cut? also I've been all over town today looking for the female switchable aux input and no one has any. I know radio shack sells stuff online so I may have to do that.
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Re: Delco radio with aux. input added
My pleasure...
Posted via Mobile Device |
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There will only be 2 wires that carry the audio signal one for left one for right. Do the orange, yellow and blue go from the main board (the bottom board) to the amp board? Take some pics of both boards so I can whats going where. And last if you can't find the aux input let me know I will pick one up and mail it to you. I looked at your pics again and it looks like the orange, yellow, and blue wires are coming from the pot for the tuner controls. Thats not the ones you need. |
Re: Delco radio with aux. input added
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I went down to radio shack and picked up another input, so hopefully this will help.
Part number 274-0246 1/8 Stereo Phone Jack http://67-72chevytrucks.com/vboard/a...1&d=1297982693 |
Re: Delco radio with aux. input added
YES!!!! This is something I've been meaning to do as well but never got around to it. I think I may just bypass the radio completely I really don't listen to the radio. I'm a podcast listener myself being a tech nerd. Thank you for saving me 150 bucks for an aftermarket post radio.
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Re: Delco radio with aux. input added
My pleasure, I am glad people find it useful.
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Re: Delco radio with aux. input added
I think the radio is a 1980? I took it out of a screwed up truck from the scrap yard. I have an 86 tape player stock radio, and I've located the green and orange wires. My radio is different but I think I can figure it out. Would you mind selling me the part? I think Im going to have a hard time tracking it down. Radio shack doesn't ship to canada :(
again thanks so much for your help!!! |
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Re: Delco radio with aux. input added
do you see any problem doing this to a newer digital display head unit?
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Re: Delco radio with aux. input added
I don't see a problem doing this in a newer radio, you just have to identify the wires that carry the audio signal to the amp.
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Re: Delco radio with aux. input added
Pm Sent!
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Re: Delco radio with aux. input added
great idea....
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Re: Delco radio with aux. input added
This is pretty cool. My dash is not cut eather but I am definately not an electrical nerd, there is NO way i could perform that task
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very cool mod ......on the list |
Re: Delco radio with aux. input added
Very cool mod!!!
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Re: Delco radio with aux. input added
i seriously wish i had done this rather than hack my dash!!! I think ill start bending the metal back in place, weld the seems, and perform this trick!
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Re: Delco radio with aux. input added
This topic is an FAQ-"73-87 Delco radio with aux. input added"
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Re: Delco radio with aux. input added
Wow awesome mod! One question though; would it work on an AM only radio? Thanks!
-Jesse |
Re: Delco radio with aux. input added
I haven't tried it but I don't see why it wouldn't. Your just splicing into an audio feed be it am or fm.
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Re: Delco radio with aux. input added
an am might be a problem mono not wired for stereo
might short out |
Re: Delco radio with aux. input added
Hey buddy I got the input! I was wondering if you could tell me what numbers on the diagram are what?
Posted via Mobile Device |
Re: Delco radio with aux. input added
Glad you finally got it.
Post #1 is the ground. This needs to connect to the stereo body somewhere Post #2 is the left channel out. This connects to the wire going into the amp board. Post #3 is the left channel in. This connects to the wire coming from the main board. Post #4 is the right channel in. This connects to the wire coming from the main board. Post # 5 is the right channel out. This connects to the wire going into the amp board. Main board is the one on the bottom, the amp board is the one on the side. Just think of it this way, when the aux is unplugged the audio signal passes straight through into the switch then out. When you plug it in the contact is broken and the signal from the 1/8 plug is sent to the amp. Just remember to have the power off when plug and unplug the aux. Good luck and don't hesitate to pm me if you have any questions. |
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