Re: [DML] Ground Bus
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Re: [DML] Ground Bus



I love the delorean's easy to understand wiring diagram, the easily identifiable system wire colours and the easy to replace connectors and devices throughout the car. Alpine GTA's are a real ball-ache by comparison

Martin

Sent from my BlackBerry®

-----Original Message-----
From: "content22207" <brobertson@xxxxxxxxxxxx>
Sender: dmcnews@xxxxxxxxxxxxxxx
Date: Fri, 23 Mar 2012 15:44:00 
To: <dmcnews@xxxxxxxxxxxxxxx>
Reply-To: dmcnews@xxxxxxxxxxxxxxx
Subject: Re: [DML] Ground Bus

Of course not -- I dared you all not to.

That, and the fact that these little cars are an indisputable electrical mess as built. There is not a single person out there willing to defend DeLorean electrical systems because their inherent weaknesses are apparent even to owners who have not yet had something melt or catch fire. Whatever else you want to say about a DeLorean, from an electrical standpoint, they suck (as built).

As much as I hate to, I will go back to DMCTalk and re-read that thread. I seem to remember some posters arguing that the electrical harness must have changed after 1981 because they were having a hard time finding that hidden junction (palpable nonsense of course -- 1982's and 1983's were built with leftover 1981 parts). 

Bill Robertson
#5939


--- In dmcnews@xxxxxxxxxxxxxxx, Marc Levy <malevy_nj@...> wrote:
>
> Grounds have a funny way of working.  There are other ground paths, even through the radio (like, the antenna).. Like I said, I am not questioning your work here, just speaking of my experiences.
> 
> But, my initial question is still unanswered.  
> 
> Have you been chastised for this "ground bus"?  Has anyone found fault with it? 
> 
> 
> --- On Fri, 3/23/12, content22207 <brobertson@...> wrote:
> 
> > From: content22207 <brobertson@...>
> > Subject: Re: [DML] Ground Bus
> > To: dmcnews@xxxxxxxxxxxxxxx
> > Date: Friday, March 23, 2012, 11:15 AM
> > The only way that could help is if
> > the car is having problems with its bulkhead bolt to frame
> > wire (the 6 gauge wire that runs from behind the coil to
> > underneath the coolant expansion tank), and even then the
> > effect would be minimal because the radio bracket is only
> > connected to the foremost console junction by a single 16
> > gauge wire -- there is no other ground connection to the
> > radio bracket, and the radio bracket is of course
> > electrically isolated from the frame.
> > 
> > Speaking of which: everything from the rear bulkhead forward
> > (including everything in back of the car grounded via the
> > bulkhead connectors) is totally dependent upon the bulkhead
> > bolt to frame wire mentioned above. Degradation in it is
> > almost as bad as degradation of the frame to battery wire.
> > 
> > My bus ties the bulkhead bolt into the battery via another
> > path (a larger gauge path) so that wire is rendered moot.
> > I've left it in place of course, but if it ever degrades or
> > fails, I will never even know it because the car will still
> > function electrically normally.
> > 
> > Anyway, I 100% assure you the instrument cluster and
> > binnacle are grounded at that hard to see junction. Every
> > owner who has looked for it found it eventually. Perhaps
> > Harold could take a picture of it on his bare wiring
> > harness.
> > 
> > Any owner can easily trace the wires on his or her radio
> > bracket to see that they only go to the radio itself and a
> > couple of noise reduction capacitors, and of course one
> > small gauge wire out. Even the A/C panel illumination bulbs
> > which sit in the radio bracket are not grounded via the
> > radio bracket.
> > 
> > Bill Robertson
> > #5939
> > 
> > 
> > 
> > --- In dmcnews@xxxxxxxxxxxxxxx,
> > Marc Levy <malevy_nj@> wrote:
> > >
> > > I was not looking for people to find faults with it, I
> > was seriously asking if Bill had gotten negative feedback on
> > THIS specific modification.
> > > 
> > > Bill's work tracing down the wiring harness, and
> > sharing it with us was very useful.  It still makes me
> > wonder why on most of the cars that I have added a ground
> > wire from the radio bracket to the frame have gotten
> > improved results on the dashboard (lights/gages), but I have
> > no reason to doubt his findings.  Adding that ground
> > may give some other ground path between the harness and the
> > frame a lower path of resistance that has not been
> > considered??  Either way, it would be hard to dispute
> > that adding an actual large gage copper wire from the ground
> > splice direct to the battery would have a negative
> > impact...  which brings me to my initial
> > question-  Has anyone found fault with this?
> > > 
> > > 
> > > --- On Fri, 3/23/12, Stephen Rice <stevedmc@>
> > wrote:
> > > 
> > > > From: Stephen Rice <stevedmc@>
> > > > Subject: Re: [DML] Ground Bus
> > > > To: dmcnews@xxxxxxxxxxxxxxx
> > > > Date: Friday, March 23, 2012, 10:19 AM
> > > > Rats are more likely to be sucessful
> > > > at chewing away a copper wire
> > > > than they would be at chewing a steel frame in
> > half. 
> > > > If you
> > > > disconnect your frame ground you will have a
> > serious problem
> > > > when a
> > > > rat decides to chomp the ground bus in half.
> > > > 
> > > > -- 
> > > > Steve Rice
> > > > #16510
> > > > 
> > > > On Fri, Mar 23, 2012 at 8:41 AM, Marc Levy
> > <malevy_nj@>
> > > > wrote:
> > > > > Just curious Bill, has anyone found fault
> > with your
> > > > "ground bus" modification?
> > > > >
> > > > >
> > > > 
> > > > 
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> > > > 
> > > >     dmcnews-fullfeatured@xxxxxxxxxxxxxxx
> > > > 
> > > >
> > >
> > 
> > 
> > 
> > 
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> > 
> >
>




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