Re: [DML] VB Radio Harness.

[Greg Zapf <x86Daddy@xxxxxxxxx>]

Just some follow up info on how I used a harness that I bought from Videobob:
My new front speakers came with long enough wires to reach the stereo,
and they (Pioneer) had plugs on the ends of those wires.  I added
matching plugs directly to the stereo's harness and connected them.  I
used the same metallic ground concept Videobob explained already for
system ground.  I used constant +12 and accessory +12 from the harness
as intended.

Here's where I did something different:
I ran new wires for the rear speakers.  I then replaced, in the
factory harness, the positive rear and common ground leads with those
from my new wiring  I was able do do this by not cutting, but simply
pulling out the original leads for the rear speakers and common
grounds and using the leads from the other end of the purchased
harness (I soldered or crimped those to the new speaker wire).  With
that solution, I was able to wire up the harness almost exactly as
intended, just without the front speakers, and plug-n-play evermore. 
In the future, if I or a future owner (over my dead body ;-)  ) needs
/ wants to replace the HU or speakers, it will be a very simple,
plug-n-play, almost-as-documented affair.  And with modern-style,
separated grounds.

If this sounded like a confusing mess to someone who wants to emulate
it in the future, just send me an e-mail and I'll be glad to try and
explain it better.

Overall, I found Videobob's harness *very* satisfactory, and I like to
think the $3 premium over the cheaper source will help fund more
exploratory work to find other niche parts for the car.  Or a beer. 
:-)

--Greg
#2894

On 5/4/05, Videobob Moseley <videobob@xxxxxxxxxxx> wrote:
> I will have to disagree with you Marc.
> I don't think you have ever seen one of my harness' in person have you?
> I also don't think you understand the concept of what it is for, and how it
> is used.
> I have been using one for years, and have sold almost 100 of these, all to
> happy
> customers who are using them safely without one single complaint or instance
> of failure! Why complicate things Marc?
> It's just a wire harness and plug that matches the factory plug!
> 
> Using my harness adapter, you simply plug it in to the original wire plug
> that leads
> to the factory radio. This 9-pin harness includes the constant power,
> accessory power,
> the power ground, and the speaker connections.
> When using the adapter, your only real benefits are tapping the power, and
> avoiding
> cutting of the original wire harness.
> When installing a new modern radio it would be best to run an additional
> ground
> from the grounding point on the back of the radio to some other part of the
> console frame.
> Unlike a regular steel car that just grounds everything to it's own frame or
> body....
> Since the DeLorean doesn't have all these unlimited grounding points they
> have made one
> in the metal frame of the console housing by directly running a grounding
> wire that runs
> from the electrical compartment to a point on the console.
> In different cars it is sometimes in different places, but usually in a big
> clump with a bunch
> of other grounds from everything in the console, (clock, lights, switches,
> etc.)
> You can add your extra ground here.
> 
> The car's harness, and my adapter with both handle the power of any
> radio sold today. The original power wires still contain a fused link for
> protection.
> However, you may not add other accesories to this power lead, such as an
> equalizer, amplifier, CB radio, etc.... these need to have new power leads
> run from the power compartment or the battery itself.
> 
> You will want to use all new speaker wires on your new radio.
> I suggest buying two harness (or using any other standard 8-pin or larger
> harness)
> for the speaker connections. (makes for easy removal).
> You will wire the speaker connections directly from the radio to their
> locations.
> The reason you can not simply use the original wire harness is because the
> old Craig
> radios used a different type of grounding system.
> Rather than have a positive and negative for each speaker, they use one
> negative that
> was shared for each side (left & right) and a positive for each speaker.
> This is why there is only 6 wire connections on the harness for the 4
> speakers.
> The left over 3 wires are for your two power, and ground.
> 
> The point of the harness is to avoid cutting into your wire harness and
> preserving the
> original integrity of the car. I have been using one of my harnesses on my
> Sony MP3
> stereo for years. My Sony has a built in hard drive in it and uses more
> power than most
> radios, I have NEVER had a problem with the harness.
>




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