David, in reading your posts I appreciate that you have the great mindset of "hope for the best, but be prepared for the worst." I propose the following compromise: Carry a spare RPM relay. Seriously. Just keep a "regular" RPM relay in the glove box and if the new one fails, toss in the spare and drive on. <soapbox> In a sense we are all "beta testers" of new (or even old) bits and bobs regarding our cars. I for one plan on buying the new relay when I have the money, and keeping the old relay (which still works, obviously) in the car -- with my other spare fuses and relays -- for emergency purposes. If we don't support the folks who come up with ways of upgrading our vehicles, then we will be stuck with the same old problems. The example you brought up of DMCH's headlight switch is a good one: Sure, their headlight switch has problems, but they never would have got as far as manufacturing it unless people had had faith that DMC were doing their best and would come up with something good. The fact that we have non-vendors contributing to the future of our cars doesn't make their contributions less-thought-out or badly-planned, and when they are modifications easily undone, and easily corrected in this case, they deserve thanks -- not four horsemen. </soapbox> Farrar Hudkins #2613 (auto) David Teitelbaum wrote: > > > 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 ------------------------------------ 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! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/dmcnews/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/dmcnews/join (Yahoo! ID required) <*> To change settings via email: mailto:dmcnews-digest@xxxxxxxxxxxxxxx mailto:dmcnews-fullfeatured@xxxxxxxxxxxxxxx <*> To unsubscribe from this group, send an email to: dmcnews-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/