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Jensen UV8 wiring issues

I bought a phase linear UV8 in dash dvd player made by jensen and wired everything up myself. I connected all the neccessary wires to the harness then connected the two harnesses together and the player worked fine except for the dvd aspect which was only because i had done nothing with the parking brake wire.

then when i put the unit in the dash, it stopped working. it simply wouldn't turn on. The light on the power button was still there but nothing happened when i pused it. There also used to be a ding my car made when the driver's door was open, now instead of that, my clock resets itself and so does the unit (light flashes ona nd off ) in tune to what the ding used to be.

I'm really hoping this is just a simple wiring mix up even though i've checked and rewired it twice. Pleas help me.


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  • Alastair Fynn Sep 11, 2008

    the four wires you were speaking of:

    • Yellow (with the filter/fuse) - always on B+12
    • Red - ACC +12 (ignition switch)
    • Black - car body ground/negative
    • Pink - Handbrake switch

    are all in the proper places except for the pink/handbrake wire. they're connected color for color to the harness i bought and i verified the position was correct on the descroptions the product gave for the wire colors. Now the problem must lie in the stock harness and whether or not those wires are in the correct place for the new harness. The car is a 1986 subaru GL. Concerning the B+12 current you were speaking of, it must still be present in some shape or form because the clock's memory stays intact unless i put the key in while the door is open. Do you have any idea why the unit would function as expected then suddenly makfunction?

  • Alastair Fynn Sep 15, 2008

    It was nothing more than i blown fuse. Thanks for the help though. you guys are great :)



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Appreciate the direct "Ask Me".

I am assuming that by your post "...the player worked fine..." refers to the unit operating as expected. To your concern:

  • clock resets;
  • dvd player light flashes on and off;
  • missing ding driver's door open.
All of the above indicates a wiring error or at the very least a loose connection more particularly to the mains B+ (always on). The always on B+12 is directly tied to the + battery terminal and as the name implies, with or without the key in the IGN SW, there is a +12. This always on B+12 is responsible for the clock to maintain its time, the memory of the headunit to retain presets tuner stations and all other settings. It is also responsible for providing the power to the "ding" circuitry and sensor. Pls re-check that the following wires are connected as indicated:
  • Yellow (with the filter/fuse) - always on B+12
  • Red - ACC +12 (ignition switch)
  • Black - car body ground/negative
  • Pink - Handbrake switch
  • Green/White (if present) - reverse switch on the gearbox
  • Brown (if present) - mobile phone in use mute trigger (if used)
  • Blue - to power a motorized/amplified antenna (if needed)
  • Blue/White - to power an external amplifier (if used)
Additionally, if I may inquire, year, make and model of the car it was installed in.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards. Thank you for using FixYa.

Posted on Sep 11, 2008

  • Louie  Role
    Louie Role Sep 13, 2008


    For some reason, I did not
    receive any notification that you posted back/commented. Our apologies for any inconvenience.

    To your concern, pls confirm if the Jensen's below listed wires are connected to the Subarus' similarly listed wires:

    Pls note that there are two (2) wiring versions for the Subaru presented (and possibly several more)
    depending on the country of assembly/manufacture. Additionally, may I
    pls inquire if you used a harness/connector adapter, something similar
    to this? Further, with the use of a DVM, pls check the presence of:

    • +12 on Yellow at any condition: IGN SW off or on, door open or closed, Jensen on or off; and

    • switched +12 on the Red (that is when the IGN SW is
      either at ACC or ON/RUN) at any condition: Idoor open or closed, Jensen
      on or off.
    Hope this be of additional help/idea. Pls post back how things turned up or should you need additional information.


  • Louie  Role
    Louie Role Sep 13, 2008

    If I may add, there are some Subaru GL versions that uses White as the always on B+12 while Black as the IGN B+12. Both may be found in the ignition harness.



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