Radio Wiring and Amp Bypass

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  • Zreberlcoe
    E30 Mastermind
    • Jan 2012
    • 1555

    #316
    So I put my Violet/White wire to my Red power wire and a no go on power:/

    Edit: I had to turn the key on... Hahahhahahahaahha
    1991 325i Calypso Coupe

    Like Grandfather, Like Father, Like Son
    BMW

    Comment

    • Spyke
      E30 Addict
      • Sep 2012
      • 494

      #317
      I have to say, the new head unit and almost 30 year old paper speakers sound SOOOOO much better than the same exact head unit, OEM amp and BSW speakers in my e36. Pretty sad to compare the two actually...
      Current_SeeDee 1972 e10 Luna 1975 e10
      Past___Veronica 1994 e36 Le-Ah 1987 e30

      Comment

      • e30blitz
        Member
        • May 2013
        • 61

        #318
        Originally posted by StereoInstaller1
        First, let me say this is NOT applicable to all E30s. Generally, Late Model (88+) will have this wiring on premium sound cars. IF you have a fader in the dash, this MAY work: you need to unwrap about 8" of fader harness to see if you have 4 pairs of speaker wires, as some cars have only 6 wires, not 4 pairs (8 total) so if this chart does not apply PERFECTLY to your car, don't use it.

        Quick disclaimer: this is not idiot proof. You mess it up, don't whine at me, I do not care.

        If this saves you countless hours of hassle or you are just feeling generous, feel free to paypal me a tip. Add "@gmail.com" to Stereoinstaller1 and I promise to only use the money for projects on my car.


        OK, here is the info.

        Obviously, what you do here is simple: connect the "deck" wire to the "dash" wire, then back at the trunk, connect that "dash" wire to the "speaker" wire.

        This is not rocket surgery, boys. Get it done.



        Aftermarket-----------Dash Wires-----------Speaker Wires

        RF+ Grey--------------Blue/Red-------------Grey/White
        RF- Grey/Black--------Brown/Orange--------Grey/Brown

        LF+ White------------Yellow/Red------------Grey/Red
        LF- White/Black-------Brown/Orange--------Grey/Violet

        RR+ Violet------------Blue/Black------------Black/White
        RR- Violet/Black-------Brown/Orange--------Black/Brown

        LR+ Green------------Yellow/Black----------Black/Red
        LR- Green/Black-------Brown/Orange--------Black/Violet


        (+12V Unswitched) Yellow----Red/Green (Changes to Yellow at C302)

        (+12V ACC) Red-------------Violet/White (Changes to Voilet/Grey at C302)

        (Ground) Black---------------Brown (may also be Brown/Black)

        (ILL) Orange-----------------Grey/Red (Changes to White at C302)

        (P ANT) Blue-----------------White (this is one of 2 white wires)

        (AMP REM) Blue/White--------White (this is the one in the same harness as the speakers)

        Luke
        cheers luke

        Comment

        • StereoInstaller1
          GAS
          • Jul 2004
          • 22679

          #319
          Originally posted by e30blitz
          cheers luke
          Success?

          Originally posted by Spyke
          I have to say, the new head unit and almost 30 year old paper speakers sound SOOOOO much better than the same exact head unit, OEM amp and BSW speakers in my e36. Pretty sad to compare the two actually...
          All I am gonna say is unless you have one of our subwoofers in that car, you have not heard them yet.

          Just a cheap 8" woofer and a $100 4 channel amp can make them come alive.

          Hope you get to hear one soon!

          Luke

          Closing SOON!
          "LAST CHANCE FOR G.A.S." DEAL IS ON NOW

          Luke AT germanaudiospecialties DOT com or text 425-761-6450, or for quickest answers, call me at the shop 360-669-0398

          Thanks for 10 years of fun!

          Comment

          • luckydog2
            Noobie
            • Jun 2013
            • 9

            #320
            ok so if I use the stock wiring and it goes through the stock amp with a kenwood radio cd player it will work?

            Comment

            • StereoInstaller1
              GAS
              • Jul 2004
              • 22679

              #321
              Originally posted by luckydog2
              ok so if I use the stock wiring and it goes through the stock amp with a kenwood radio cd player it will work?
              Sure! Assuming your stock amp works....it isnt as good as a bypass, but it will work fine.

              Closing SOON!
              "LAST CHANCE FOR G.A.S." DEAL IS ON NOW

              Luke AT germanaudiospecialties DOT com or text 425-761-6450, or for quickest answers, call me at the shop 360-669-0398

              Thanks for 10 years of fun!

              Comment

              • Heyrr
                Advanced Member
                • Jun 2011
                • 175

                #322
                Alright, I don't know if this is the fader or what, but I'm having trouble figuring out what is what for each speaker/ground. All of the aftermarket headunit colors from your guide matched up, but I couldn't quite figure out the stock wire coloring. So I went based off of where they where hooked up on the stock deck, and tried splicing them accordingly to the new deck. I got sound, but not in all the speakers. I then found wires that were the correct colors as you described for the dash wires, but they weren't hooked directly to the head unit. If this is the fader, then your description makes sense, but... in that case I don't know where the grounds are for each speaker. I wanted to check in before I made the cuts to these wires and went too far. Help!




                SamHurly on flickr

                Comment

                • Heyrr
                  Advanced Member
                  • Jun 2011
                  • 175

                  #323
                  Alright I found out what a fader is and I don't have it. So, do I cut these wires off about this black harness/plugin, and splice those into there appropriate speaker according to your guide?

                  SamHurly on flickr

                  Comment

                  • StereoInstaller1
                    GAS
                    • Jul 2004
                    • 22679

                    #324
                    Originally posted by Heyrr
                    Alright I found out what a fader is and I don't have it. So, do I cut these wires off about this black harness/plugin, and splice those into there appropriate speaker according to your guide?
                    You don't have a fader, but you do have a fader car with a bypass plug.

                    Unwrap that harness until it reaches the other harness, like 18" or so...keep going until you find the junctions.

                    Closing SOON!
                    "LAST CHANCE FOR G.A.S." DEAL IS ON NOW

                    Luke AT germanaudiospecialties DOT com or text 425-761-6450, or for quickest answers, call me at the shop 360-669-0398

                    Thanks for 10 years of fun!

                    Comment

                    • Heyrr
                      Advanced Member
                      • Jun 2011
                      • 175

                      #325
                      I tried to reach my arm in as much as possible and as far as i could feel, as it headed towards the drivers side and away, and it just felt like the same bundle of wires routed away. I tried pulling them out a little, but they feel fully extended.

                      SamHurly on flickr

                      Comment

                      • Heyrr
                        Advanced Member
                        • Jun 2011
                        • 175

                        #326
                        This is a 1990 325is.

                        SamHurly on flickr

                        Comment

                        • Heyrr
                          Advanced Member
                          • Jun 2011
                          • 175

                          #327
                          And now it's dark, soul-less e30 in the driveway for the night. I see the correct colored wires, and wrapped with another up and away, but don't understand where I cut them the access a connection. To the stock stereo was a single blue/black wire, and a single yellow/black wire, both of which run to the bottom of that harness posted above, these get used or no? The arrangement of things messes with your orientation.

                          I hate not having someone with me, double hands on. I'm horrendous with words and pictures!

                          SamHurly on flickr

                          Comment

                          • StereoInstaller1
                            GAS
                            • Jul 2004
                            • 22679

                            #328
                            Originally posted by Heyrr
                            I tried to reach my arm in as much as possible and as far as i could feel, as it headed towards the drivers side and away, and it just felt like the same bundle of wires routed away. I tried pulling them out a little, but they feel fully extended.
                            Perfect, did you unwrap all of that?

                            Closing SOON!
                            "LAST CHANCE FOR G.A.S." DEAL IS ON NOW

                            Luke AT germanaudiospecialties DOT com or text 425-761-6450, or for quickest answers, call me at the shop 360-669-0398

                            Thanks for 10 years of fun!

                            Comment

                            • Heyrr
                              Advanced Member
                              • Jun 2011
                              • 175

                              #329
                              I mean I see the four different wrapped pairs, I just have no idea where I'm supposed to cut them from. I see they head into that black harness above, but so do blue and yellow that if I were to cut there, would just cut them off completely and they'd fall out. What are the junctions you speak of? I notice some wires with brown in them are randomly run into a plastic wrap with another wire or two at points..?

                              SamHurly on flickr

                              Comment

                              • dogsbark26
                                E30 Addict
                                • Nov 2008
                                • 533

                                #330
                                Listen to StereoInstaller1. He knows what he's talking about.

                                If you haven't already, you'll need to remove the instrument cluster and disconnect the wire ties (they can be disconnected. No need to break them. You will want to re-attach them when you are finished.) that hold that wrapped bundle of stereo wires to the dash, making the bundle more accessible. Then unwrap the fabric tape from around that bundle however far is necessary to find whatever it is that Luke is having you search for.

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