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.
On Fri, Jun 9, 2023 at 11:46 AM Randy Bennell via Mercedes < mercedes@okiebenz.com> wrote: > Unless, the wire size serves as a fuse, I always believe that bigger > wire is better. > > Randy > > On 09/06/2023 11:28 AM, Dimitri Seretakis via Mercedes wrote: > > If I want to rig a new ground, what type/gauge wire should I use. This > stuff is a bit outside of my comfort zone. > > > > Sent from my iPhone > > > >> On Jun 9, 2023, at 12:02 PM, Randy Bennell via Mercedes < > mercedes@okiebenz.com> wrote: > >> > >> Does it really matter? I think I would add a new ground to something > close by and see if that fixed the problem. If it does, then you can either > leave your temporary fix in place permanently, or track down the original > wiring until you find the connection to ground. > >> > >> Randy > >> > >> > >>> On 09/06/2023 10:50 AM, Dimitri Seretakis via Mercedes wrote: > >>> So I’m back to it. It seems like the relay has no ground. I attached a > test light from the power lug on the relay to the number 4 socket (which > corresponds to ground) on the harness and nothing. So I’m guessing the > ground wire is problematic. Does anyone know where, on the body of the car, > the relay is grounded? Thanks. > >>> > >>> Sent from my iPhone > >>> > >>>>> On May 16, 2023, at 8:43 PM, Dimitri Seretakis <dsereta...@yahoo.com> > wrote: > >>>> Thanks again! I will try the test light trick to test the ground and > report back. > >>>> > >>>> Sent from my iPhone > >>>> > >>>>> On May 15, 2023, at 9:27 PM, Frederick Moir via Mercedes < > mercedes@okiebenz.com> wrote: > >>>>> > >>>>> Dimitri. > >>>>> The cover of the 5/6 pin connector is just clipped on, it is > removable. > >>>>> N.B. The cover keeps the connector pins and wires in place, make > sure to > >>>>> keep them in order. > >>>>> Simple test for ground. > >>>>> Using a turn signal bulb in a socket with two wires. One wire to Pos > on > >>>>> battery, the other to Ground in the socket. If the bulb lights > brightly, > >>>>> the connection is capable of passing a couple of amps, therefore good > >>>>> enough to power the relay. > >>>>> A meter will only tell you if there is any connection, not if it > will pass > >>>>> enough current to work. > >>>>> If I have misunderstood your question, I apologise. > >>>>> Fred. > >>>>> > >>>>> -- > >>>>> Fred Moir > >>>>> Lynn MA > >>>>> Diesel preferred > >>>>> _______________________________________ > >>>>> 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 > >>> > >> > >> _______________________________________ > >> 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 > > > > > _______________________________________ > 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