[DML] Re: Grounding.

["dmc6960" <dmc6960@xxxxxxxxx>]

I am also an EFI user, with no modifications to the grounds.  Infact, there is a good reason not to modify the grounds in the "exact" (and I repeat, "exact") method Bill has done.  Primary reason being ground loops.

Bill, on your car with as many electronic components removed as possible, your never going to notice.  But on cars with a lot of electronics on board, you need to go out of your way to avoid any ground loops.  I've seen some big words thrown around like "potential", which I don't expect you to understand short of a quick Google search.  This becomes an issue when there are multiple grounding paths present.  The stock system only had one grounding path, and indeed your bus could to, but you'd have to have only ONE connection to the frame/engine block/battery along the whole bus.  Again, not an issue on your car, but on enhanced vehicles like those with fancy stereo systems and EFI its absolutely to be avoided.

There is nothing wrong with noise suppression capacitors.
There is nothing wrong with the *general design* of the original grounding system.

There is also nothing wrong with a "ground bus".

But there is something wrong with "ground loops". It just wouldn't be noticed by most DeLoreans.


And while we're at it...

There is nothing wrong with plastic.
There is nothing wrong with the design of K-Jet fuel injection

There is also nothing wrong with Bill's replacement engine not having K-Jet injector ports.


Jim Reeve
DMC6960




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