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91-94 factory stereo wiring

Discussion in 'Explorer Audio & Navigation' started by Tbars4, November 7, 2007.

^^Searches ExplorerForum.com^^





  1. DjDom

    DjDom Moderator Emeritus

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    Hooking up a speaker backwards won't kill it. It just runs in reverse. :)
     
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  3. Number4

    Number4 "I'm counting to 3, then I'm getting your dad." Elite Explorer

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    This seems to be the best thread for the first gen Ex's stereo questions, so I'll resurrect it.

    Just to tidy this up,
    Red wire is switched ignition
    Yellow wire is 12v constant

    I find it interesting that nothing talks about this wire. None of the online sources, nor the instructions that came with my Metra harness.

    From looking at F Series and Mustang diagrams, the Black w/Green (BK/GN) wire is listed as both 'Ground' and 'Amp Ground.' I've tested this wire and it is indeed a ground wire. The two ground wires attach at separate points on the Ex.

    I bought the Metra 70-5511 adapter, the instructions are poor and don't match the actual harness wire colors. My '94 Black harness wire lines up with an Orange w/Black wire on the 70-5511. The instructions don't even list this Orange w/Black wire. I'll tie the Orange w/Black and Black wires to the stereo's Black ground wire. This will utilize the OE harnesses Black and Black w/Green wires.

    There is no illumination wire listed on my Kenwood, so I won't use the OE illumination wire. I assume the stereo will illuminate via either the Red or Yellow wire.

    I don't have the subwoofer, but I'm gathering I still have an amp, which powers the door speakers? So I'll connect the stereo's Blue w/White wire to the 70-5511 Blue w/White wire which plugs into the OE harnesses Blue wire.
     
  4. Matt 1994

    Matt 1994 New Member

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    How does the factory amp hook up does it run the spekers do I half to bypass it or ? How do I test it and get power to it ?
     
  5. Ray f

    Ray f New Member

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    What’s + and what’s -
     
  6. damnford

    damnford Active Member

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    i got the am/fm cd cassette player out of 2000? explorer at the wrecking yard and put it in my 95 ranger and it was plug and play then i was rear-ended at a stop light a few months later by someone talking on there cell phone. the truck was totaled. man, that stereo was nice.
     
  7. damnford

    damnford Active Member

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    what does the yellow wire go to? i don't like leaving extra wires out.
     
  8. mr cribb

    mr cribb US Army Retired Elite Explorer

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    12v constant power source, also known as radio memory
     
  9. mr cribb

    mr cribb US Army Retired Elite Explorer

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    My question that I didn't see mentioned, is the harness adapter has four RCA style jacks, but my radio has only two preouts spots. So how do I make this work, can I just cut the RCA parts off and hard wire the speaker wires to the adapter?
     
  10. Mbrooks420

    Mbrooks420 High Voltage. Elite Explorer EF Vendor

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    Harness for what......

    What kind of radio?
     
  11. mr cribb

    mr cribb US Army Retired Elite Explorer

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    The aftermarket adapter to factory “premium” harness. My radio has two preout positions, but the aftermarket adapter harness has four. Can I cut off the “jacks” and hard wire the wires?
     
  12. Mbrooks420

    Mbrooks420 High Voltage. Elite Explorer EF Vendor

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    I wouldn’t think so. Those are meant to be amplified if they are actually RCAs. They wouldn’t have enough power to drive the speakers.
     
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  13. mr cribb

    mr cribb US Army Retired Elite Explorer

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    Okay, well I kinda figured that, but I wasn’t sure. I already have a working aftermarket head unit to replace the dead one, so I was trying to see if it was possible.

    So my next option is either a different head unit or a factory amp bypass?
     
  14. mr cribb

    mr cribb US Army Retired Elite Explorer

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    Never mind, I found a splitter that solves all my questions. Thanks @Mbrooks420 for your help.
     
  15. Nok23

    Nok23 New Member

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    I wish I had found this forum (this thread and others like it mainly) before I cut that gray bundle of speaker wires ... Went to bypass the factory amp and discovering that my hands are way too big to actually fit in there and splice and bypass that amp .. I don't have the patience or money to buy the harness, and I just want a larger gauge wire (also I'm gonna hook up my own amp and subs, eventually lol) .. But I want to thank everyone for all the information :) so, without further stalling, thank you! :bow:
     
  16. Nok23

    Nok23 New Member

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    Quick question, when hooking up a amp for a subwoofer .. can I use the hooked up line in (blue wire) that goes to the factory amp can I use it for the new amp or should I run a new one?
     
  17. mr cribb

    mr cribb US Army Retired Elite Explorer

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    For ease of mind, I would run a separate wire and rca cables.
     
  18. Nok23

    Nok23 New Member

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    Man .. now I can't get my HU back out to run a new remote on line! WTF?! ugh .. this project on a 92 explorer has been the most frustrating I've ever done!
     
  19. Nok23

    Nok23 New Member

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    And I've run new RCA cables already
     
  20. mr cribb

    mr cribb US Army Retired Elite Explorer

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    Yeah I had issues with mine, I need to just run separate lines to the aftermarket sub, it was replaced years ago but the sub doesn’t work well with the oem amp.
     
  21. Nok23

    Nok23 New Member

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    Yeah, I have the factory amp completely unhooked .. so I crimped a wire from the blue (amp's remote on line) to the new amp .. from the new HU .. I thought that would work and save me some time .. but the amp isn't turning on with my new HU. It should be going straight from the new HU to the amp .. hell, maybe that's not the problem!
     

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