Question about Audiovox ACD-32

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Lost my audiovox ACD wiring harness. any help?

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My guess, is that you have a metal block of stereo with a receptical for a plug that has all the convienient labels, and no plug.

Fortunately, all is not lost, With a little exploration inside the stereo unit, each connector on the back can be identified. As little as two are necessary to make your stereo operate, most likely eight or ten will get your stereo fully functioning.

It's important to write down solutions and processes as you discover them; then later you can refer to them as a guide in the event that you need to retrace your steps as we go along. By freeing our attention from trying to remember everything, we have more energy to discover new things.

In my teenage days, several decades ago, I was handed many car stereos, with no wiring harnesses and I succeeded in wiring them up, 99% of the time; . . Mabe 98%.

The process is fairly basic, If you're willing to use a screw driver on your stereo; I'd be willing to show you what to do.

If you're more the, "buy a new piece to plug into that socket, then I'd reccomend posting a "Wanted . . " item in Craigslist, I always say, "If they made one, they made a hundred of them, so there's bound to be one around someone willing to part with."

I'll send a picture or two to try this system out, I'll use my desk stereo as a model, it's a Sony CDX-S2210, with no connector, I retrived from the recycling bin , On the inside, all brands have to do essencially the same thing (when it comes to the connectors on the back),

If we can share some clear pictures, this will be 100 times simpler.

Lost my audiovox ACD wiring harness. any help? - 9777ea4.jpg
That's ok.

Not too bad, 150Kb files is the most we can get right now, this will work well.
More to come, I have to sleep.


Posted on Jun 21, 2009

  • Richard Schabler Jun 22, 2009

    This is what my connector looks like, your's will be similar.

    Mine is two rows of eight pins. These will be used to connect:

    -Power (B+) Battery Positive

    -Neg, Ground, battery Negative.

    -Accessory power lead, 12V+ constant power. (For clock and preset memory)

    -Power Antenna signal wire.

    -Power amp signal wire.


    -4 way Speaker Power connectors:

    -Front Left positive and negative

    -Rear Left positive and negative

    -Rear Right positive and negative

    -Front Right positive and negative

    -Possibly a HiFi out. These would be the RCA connectors.

    Getting to the other side is a bit of a challenge, but once you’re there, these are what you may expect.

    The back of the connector will be mounted right to the circuit board with tin strip connectors.

    (Observe the layout of these conduits)

    Fortunately, My RCA outputs are solid mounts. You may have the same.

    This allows minimal additional wiring to operate the device. Only power connections are necessary.

    These connector pins align to solder connections on the printed circuit board on the other side.

    On the circuit board there is often an explanation of what each connection point does.

    These are the key to understanding what each pin on the missing connector does.

    It is possible that the owners manual will display this electrical layout, also.

    The B+ Positive battery connector is the primary target. Find which pin on the connector leads straight to the fuse, (if you have one).

    Otherwise see which connector goes to the large capacitor on the other side. (the negative is marked on the casing, positive will be the other connector.

    (The Capacitor is the big black cylindrical thing a couple of pictures back. Negative symbols run down one side.)

    Trace the lines on the printed circuit board from where this component connect and see which connector they run to.

    Find it and identify the positive power lead connection point (s).

    Many car stereos require an Accessory connector get some positive power too, so be sure to identify this connection point also.

    If you want to use the internal amplifier you can determine which connector points go to each speaker by observing the paths on the printed circuit board.

    The speaker connectors will be labelled, or you can trace the printed circuit lines from the amp over to the connector points.

    The Amplifier is always bolted to a large piece of metal, to help the heat it produces to dissipate; the connections are always a row or two of pins through the circuit board.

    Some stereos have a negative speaker contact for each positive, some have the same negative for all the speakers.

    The largest printed circuit paths out of the Amp going to the connector will be the speaker positive contacts.

    Recognize and identify which connections on the outside relate to the connections on the inside.

    Once you know what the each contact does, you can attach wire connectors on the outside. Get it on paper, Then put everything back together.

    I know this is a bit over elaborate; when I started, the procedure in my mind is very easy to follow. It's translating it into a document that's much more difficult.

    If you can find a manual, and it has the wiring layout for the outlet, then by all means, put the screwdriver away.




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