How do I jumper around the relay? Battery positive terminal to what? The harness has 5 pins.
Sent from my iPhone > On May 13, 2023, at 8:42 AM, Buggered Benzmail via Mercedes > <mercedes@okiebenz.com> wrote: > > So if you jumper around the relay do you get glows to the plugs? > > —FT > > Sent from my iPad > >> On May 13, 2023, at 8:36 AM, Dimitri Seretakis <dsereta...@yahoo.com> wrote: >> >> I don’t hear the relay click but I don’t think it’s a mechanical relay. >> Having no glow and then replacing the relay with factory new one and still >> no glow makes me doubt that the new relay is bad though. >> >> Sent from my iPhone >> >>>> On May 12, 2023, at 9:31 PM, Buggered Benzmail via Mercedes >>>> <mercedes@okiebenz.com> wrote: >>> >>> Can you hear or feel the relay click when the ignition switch is turned >>> on? It sounds from all the symptoms like the mechanical relay is bad. Or >>> maybe be there isn’t enough current to actually activate the relay? You >>> could still see volts but not current. Did you try running power directly >>> to the relay off the battery, bypass the ignition switch? >>> >>> --FT >>> Sent from iFōn >>> >>>>> On May 12, 2023, at 8:04 PM, Dimitri Seretakis via Mercedes >>>>> <mercedes@okiebenz.com> wrote: >>>> >>>> Ok so in addition to the wire that goes to the relay power lug, there is >>>> a second harness going to the relay which is comprised of 5 wires going >>>> into a connector. One of these is purple with white stripe. One of these 5 >>>> wires, not sure which without taking connector apart, is live only when >>>> ignition is in on position. I’m guessing, therefore, that there is signal >>>> from key switch? So I’m guessing that if there is power to the relay and >>>> there is signal from the key switch but there is no power output from the >>>> relay at the five pins that go to the corresponding glow plugs that the >>>> relay is bad. But this is a new relay. I realize that a new relay could >>>> also be defective but I just don’t buy it. What could be going on here? >>>> >>>> Sent from my iPhone >>>> >>>>>> On May 12, 2023, at 5:47 PM, Dimitri Seretakis <dsereta...@yahoo.com> >>>>>> wrote: >>>>> I’m not sure how to check for that. There is constant power at the lug >>>>> on the relay. With the ignition in the on position there is no power at >>>>> any of the 5 pins on the relay that go to their respective glow plugs. >>>>> I inspected the chaffed harness and while there are some exposed wires >>>>> where the insulation has rubbed off, the wires appear to be intact and >>>>> not obviously shorting on anything. >>>>> I’m at a loss here. >>>>> >>>>> Sent from my iPhone >>>>> >>>>>>> On May 12, 2023, at 12:43 AM, Jim Cathey via Mercedes >>>>>>> <mercedes@okiebenz.com> wrote: >>>>>> >>>>>> The signal from the keyswitch should be there at the relay. If it's >>>>>> not, >>>>>> of course it won't work. Used to be the purple wire, IIRC. >>>>>> >>>>>> -- 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 >>>> >>> >>> _______________________________________ >>> 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
