[DML] Re: RPM Relay - A Modern Alternative
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[DML] Re: RPM Relay - A Modern Alternative

It's not just the transistors, it's the wiring, the design of the
circuit, the workmanship, etc. I bring this up because we all know how
how notoriously unreliable the shift computer is. An automobile's
electrical environment is a difficult place for sensitive electronics
to live. The voltage varies, people may jump-start impressing voltage
spikes, maybe they accidently hook things up backwards and draw a nice
big spark! I think your trying to improve the car is a great idea but
you have to consider all of the things that could go wrong. If you go
ahead with this other owners may not be as careful as you are with
your car! Also remember some people's cars have had their wiring
modified so on some cars there is no "Plug and Play". Maybe an owner
is running on a bad fuel pump that is drawing way too much current. If
you offer this as an "improvement" you have to consider what may
happen once it gets "out there". Your relay will get blamed for all of
the problems that the car has. Just look at all of the problems DMCH
is having with their new headlight switch!!!!!!! Even Zilla had some
problems with their stuff and it was considered excellant. You really
do need to do a lot of testing on a lot of different cars so your can
be confident in your relay.
David Teitelbaum
vin 10757

--- In dmcnews@xxxxxxxxxxxxxxx, "bitsyncmater" <david.mckeen@...> wrote:
> Appreciate your concern but if transistors were as unreliable as you 
> suggest then our new cars are really death traps.
> Safety is the major reason I built this replacement.  I have read of 
> many owner driving on the freeway and their engines cut off due to a 
> failed RPM relay.  Lucky no one has suffered as a result.  Try 


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