I remember reading in Stainless Steel Illusion that the electrical wiring harness was redesigned after the car was in production because of the electrical problems that had been reported. Gary Masie ----- Original Message ----- From: content22207 Date: Friday, March 23, 2012 11:44 am Subject: Re: [DML] Ground Bus To: dmcnews@xxxxxxxxxxxxxxx > 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 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 wrote: > > > > > From: content22207 > > > 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 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 > > > wrote: > > > > > > > > > From: Stephen Rice > > > > > 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 > > > > > > > > wrote: > > > > > > Just curious Bill, has anyone found fault > > > with your > > > > > "ground bus" modification? > > > > > > > > > > > > > > > > > > > > > > > > > > > ------------------------------------ > > > > > > > > > > To address comments privately to the moderating > > > team, please > > > > > address: > > > > > moderators@ > > > > > > > > > > For more info on the list, tech articles, cars for > > > sale see > > > > > www.dmcnews.com > > > > > > > > > > To search the archives or view files, log in at > http://groups.yahoo.com/group/dmcnewsYahoo! Groups > > > > > Links > > > > > > > > > > > > > > > dmcnews-fullfeatured@xxxxxxxxxxxxxxx > > > > > > > > > > > > > > > > > > > > > > > > > > > > > ------------------------------------ > > > > > > To address comments privately to the moderating team, please > > > address: > > > moderators@... > > > > > > For more info on the list, tech articles, cars for sale see > > > www.dmcnews.com > > > > > > To search the archives or view files, log in at > http://groups.yahoo.com/group/dmcnewsYahoo! Groups > > > Links > > > > > > > > > dmcnews-fullfeatured@xxxxxxxxxxxxxxx > > > > > > > > > > > [Non-text portions of this message have been removed] ------------------------------------ To address comments privately to the moderating team, please address: moderators@xxxxxxxxxxx For more info on the list, tech articles, cars for sale see www.dmcnews.com To search the archives or view files, log in at http://groups.yahoo.com/group/dmcnewsYahoo! 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