[DML] Re: Ground bus
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[DML] Re: Ground bus



Inadequate grounding, both by design and by degredation, is 100% responsible for damaging heat, the magnitude of which is directly related to circuit amperage.

Louis' entire car is grounded with 4 gauge battery cable now -- I don't think heat is going to be a problem in the future (his Fuse #7 was already melted).

IMHO it was unwise to gang the fuel pump onto a single ground wire, shared with the windshield wiper motor among other devices. The inertia switch also is a very inefficient switch, especially for a high amperage fuel pump.

Bill Robertson
#5939 


--- In dmcnews@xxxxxxxxxxxxxxx, Nick Kemp <nkemp@...> wrote:
>
> Bill wrote ..."There is a ground junction hiding behind the central HVAC 
> duct". Mine was straight up from my right foot and yes ... a PITA to 
> reach. It is a one hand job but definitely doable and worth the change. 
> Before the ground bus, my voltage meter read with a constant angle down. 
> Now it reads where it should, constant up in the high 13Vdc range. And 
> it does not change with load changes. Note that this is only the reading 
> and the voltage out of the alt has not changed. It does reflect the poor 
> nature of the ground including the fuel pump and voltage gauge.
> 
> One can wonder what that poor ground was doing relative to the fuel pump 
> and fuel pump circuit. Maybe it can be implicated in the melted #7 fuse. 
> Maybe it fixed my periodic dying and later coming back to life D.
> 
> Nick
> #897
> 
> content22207 wrote , ----On 11/28/2011 4:27 PM ---------------------------:
> >
> > We installed one for Louis this weekend. It is supplemental to the 
> > original (and in my opinion inadequate) collection of factory grounds 
> > -- every single one of Louis' original grounds could disappear 
> > tomorrow, and he would never know it because they have been rendered 
> > extremely redundant. He also will never have to lay on the ground to 
> > mess with his block ground or the battery to frame ground, failures of 
> > which are being reported by increasing numbers of owners.
> >
> > BTW: anyone who tells you the fuel pump, instrument cluster, 
> > windshield wipers, etc are grounded via the radio bracket is just 
> > plain wrong. There is a ground junction hiding behind the central HVAC 
> > duct -- I 100% guarantee it. A royal pain to reach, but it can be done.
> >
> > Bill Robertson
> > #5939
> >
> > --- In dmcnews@xxxxxxxxxxxxxxx <mailto:dmcnews%40yahoogroups.com>, Bob 
> > Brandys <BobB@> wrote:
> > >
> > > Bill,
> > >
> > > Nice job on the ground bus and diagram.
> > >
> > > Bob
> > >
> >
> >
>




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