Yes the thread is used as a ground connection. Isolating it is not a great idea... Elvis & 6548 --- In dmcnews@xxxxxxxxxxxxxxx, "Derek" <derek.grozio@...> wrote: > > I recently did a valley of death teardown and now the car seems to > have problems starting when cold. .... My question is, does the > switch threads use the water pump as a ground? I put teflon tape > around the threads before reinstalling. ... > -Derek #10084 > 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/dmcnews Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/dmcnews/ <*> 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/