Excellent! Yes, the ground is half of the power circuit - no ground is like a switch being turned off.
On Tue, Jun 13, 2023 at 7:46 PM Dimitri Seretakis via Mercedes < mercedes@okiebenz.com> wrote: > I fixed it! Thanks to everyone who helped! The issue was indeed a bad > ground to the relay. The ground was basically where Fred said- left front > fender, under the headlight assembly. The ground wire where it connected to > the terminal was basically corroded to dust. I cut it back to clean copper > and soldered on a new terminal connector. Who would have thought that a bad > ground would masquerade as a bad relay! > > Sent from my iPhone > > > On Jun 10, 2023, at 12:22 AM, Jim Cathey via Mercedes < > mercedes@okiebenz.com> wrote: > > > > > >> > >> > >> The ground should be the same size as the wire feeding 12v to the relay, > >> unless it's a lot longer in which case it should be larger. > >> > > > > Not even close. The power feed to the relay is HUGE, but 99% of all that > > current goes back out through the GP's. Only a dribble is used by the > relay > > itself, and that's all the ground wire has to sink. > > > > What's there already is exactly the right size. > > > > -- Jim > > _______________________________________ > > http://www.okiebenz.com > > > > To search list archives http://www.okiebenz.com/archive/ > > > > To Unsubscribe or change delivery options go to: > > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > > > > > _______________________________________ > http://www.okiebenz.com > > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > > -- OK Don "Quality of life is inversely proportional to the amount of clothing you are wearing." "Whenever you find yourself on the side of the majority, it is time to pause and reflect." Mark Twain “Basic research is what I’m doing when I don’t know what I am doing.” Werner Von Braun "In science if you know what you are doing you should not be doing it. In engineering if you do not know what you are doing you should not be doing it." -- Richard W. Hamming, The Art of Doing Science and Engineering 2013 F150, 18 mpg 2017 Subaru Legacy, 30 mpg 1957 C182A, 12 mpg - but at 150 mph! _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
