changing my stock stereo into new one
Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=122068
Printed Date: April 29, 2024 at 12:10 AM
Topic: changing my stock stereo into new one
Posted By: grav3yard1112
Subject: changing my stock stereo into new one
Date Posted: May 31, 2010 at 3:07 AM
Hi, I Just bought a 1994 Ford Explorer XL Unfortunately, i'm having troubles changinge the stock audio with an Alpine cd player... I've check the color coding of my SUV, and t doesn't match with the one in your site... I already have power with my Alpine stereo, i just can't here any sound., tried the CD and was reading it. I just can't here anything in the speakers. Could someone please help me in solving my problem? I have pictures of the cable if you need it... I realy need Help please... Thank you....
Ernie
Replies:
Posted By: i am an idiot
Date Posted: May 31, 2010 at 5:18 AM
Can you hear the Radio? Did you look into purchasing the 20 dollar wiring harness for your vehicle? Is there a small square plug with a metal housing? Did you already cut that off? If not DO NOT CUT THAT ONE.
Posted By: grav3yard1112
Date Posted: May 31, 2010 at 1:19 PM
Hi again,Thanks for the reply... As i've said there is already power, tried the radio and cd and was working, but i cannot hear a sound.... nope i don't think i will be needing any hrness...Yup there's a small square plug with a metal that surrounds it... I have here a photo... What i did was i attach the plug for the new one into the old one... REason is i need to try to make it work first before i make the connections permanent.... Please see image... Thanks again...
First picture is The old(top) and new(bottom) radio, as you can see, the one under already has power ....
Second pictures are the cables and plug ins of the old one. Question: Does anyone know what the black with green stripes is for? the blue one i think is for the amp or antenna...
The third picture, i added the plug-in of the new one, attatched it to the old one....
Posted By: grav3yard1112
Date Posted: May 31, 2010 at 1:26 PM
The Square plug with a metal around i think is for the connection of the speaker cables... i have tried connecting that and did not get any sound, My question is do i need to connect that metal thing around the plug? Because i think, that is the ground or -(negative) of the speaker cables. If so, where am i going to connect it? Thanks....
Posted By: i am an idiot
Date Posted: May 31, 2010 at 3:49 PM
The square plug is the input wires of the factory amplifier. There is also a factory amp turn on wire that needs to be powereid in order to turn the amp on.
Posted By: grav3yard1112
Date Posted: May 31, 2010 at 8:21 PM
Ok, i'm getting your point there... so what cable do i need to attach to the new one? Can ou be more specific? can you tell me what cable to attach in the new one... so the power amp on the old one attach to the new one.... is that the metal thing in the squared plugin that i will attach to the power amp of the new one ? Thanks again for the replies...
Posted By: i am an idiot
Date Posted: May 31, 2010 at 8:26 PM
I do not know the part number for the adapter you need, and the Metra website has been down for a few days. Go to your local stereo shop and tell them what year your vehicle is and tell them that it does have a factory amplifier. Or carry your factory radio into the store, they should know what you need by looking at the back of your radio.
Posted By: dasbogie
Date Posted: May 31, 2010 at 8:36 PM
metra 70-5511 amp integrator harness
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Posted By: dasbogie
Date Posted: May 31, 2010 at 8:39 PM
the blue wire on the end of the gray ford plug is the remote turn on for factory amp and the BLACK/ green is the gound. the wire you have your alpine ground connected to is the dimmer ground.
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Posted By: i am an idiot
Date Posted: May 31, 2010 at 8:58 PM
Good looking out Das, the radio is coming on and all is well until you turn your headlights on. You will blow the fuse for the taillights or the dashlights.
Posted By: grav3yard1112
Date Posted: May 31, 2010 at 10:24 PM
ok then... So what is the best way of doing it... if i'm gonna let the shop do it, it will cost me a lot... So I have decided to do it myself with your help ofcourse, in that case, if i'm gonna change it again, then i will know what to do... I'm attaching the cable codes of the new one (Alpine), just in case u will ask...
Posted By: i am an idiot
Date Posted: May 31, 2010 at 10:41 PM
Connect the radio's black wire to the Car's BLACK/ Green wire.
Posted By: grav3yard1112
Date Posted: May 31, 2010 at 10:48 PM
Ok, if i connect the radios black wire to black green wire, what about the car's black wire, where will i connect it on the radio's wire?..
Posted By: grav3yard1112
Date Posted: May 31, 2010 at 10:57 PM
FYI, I'm a little bit confuse on the Harness that you want me to buy... thing is i have the cable plugin for the New one....and ijust want to attach in to the connection plugin of the old one as shown on the pictures attached.... 
Posted By: grav3yard1112
Date Posted: May 31, 2010 at 11:35 PM
Ok, I trid connectiong the car's black wire to the stereo's BLACK/ green. Still doesn't work...
Posted By: dasbogie
Date Posted: June 01, 2010 at 2:48 AM
radio doesn't work or no sound but radio powers on?
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Posted By: grav3yard1112
Date Posted: June 01, 2010 at 1:27 PM
Radio powers on but no sound...
Posted By: i am an idiot
Date Posted: June 01, 2010 at 2:20 PM
he has nothing connected to the input wires of the factory amp. How much time have you spent on trying to get this done? Is that really worth the 20 dollars you are trying to save by not purchasing the harness?
Posted By: dasbogie
Date Posted: June 01, 2010 at 2:40 PM
you have to send signal to the factory amp. that is the square plug. If you really want to get crazy you could do an amp bypass. The amp should be located behind the passenger side trim panel in the cargo area. It's a fun time removing it but once you do you can access all of the speaker wires quite well. Either way you have to tell the factory amp or the speakers what to play. Wether its at the deck or the factory amp it is your decision.
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Posted By: grav3yard1112
Date Posted: June 02, 2010 at 4:33 AM
I'm so confuse now, so sorry for that... I'm not savig anything.. i'd like to make it work... i know i'm missing something, and now i know that i'm not sending a sigal to the factory amp as you just told me, and i understad it... So If buying the Harnes is the solution, then i'm going to buy it... just need the exact model... my next question is... will it be easy to connect the wirings, or am i gonna have a problem connecting it? All i thought, the harness was the plugin that you will connect directly to the new one... Sorry for that... Maybe i was mixed up with all your explanation...
Just give me a final Decision on what to do... Am i going to buy the harness co'z i really need it, or i'm just missing some wires to connect?... which one is easy, just tell me and i'll do it, just to make my stereo work...
Thanks again for all your help....
Posted By: i am an idiot
Date Posted: June 02, 2010 at 5:03 AM
Posted By: grav3yard1112
Date Posted: June 02, 2010 at 5:17 AM
thanks i am an idiot, i'm going to buy in the AM.... i'll update you soon... thanks again...
Posted By: grav3yard1112
Date Posted: June 04, 2010 at 3:53 PM
Hi, Just bought the harness that i need on my stereo(Metra 70-5510 harness), they gave me the square one and 4 RCA jack on the end... it is working now, thing is it was not as loud as it used to be on my old stereo... i think it by passed the factory Amp...
Posted By: i am an idiot
Date Posted: June 04, 2010 at 6:06 PM
It did not bypass the factory amp, cut the RCA connectors off of the harness and connect the radio's speaker wires to the end of the wires you cut the RCAs off of.
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