Check for broken solder in the pins and wires in the connector. It’s possible the keyswitch is bad too, although unlikely.
Have someone operate the key switch while you listen for the relay to close. If it does, investigate why the glow plugs aren’t getting hot, if it doesn’t, make sure the coil i the relay is getting 12V and figure out why not. > On May 11, 2023, at 1:48 PM, Dimitri Seretakis via Mercedes > <mercedes@okiebenz.com> wrote: > > So I replaced the GP relay on the 1990 300D 2.5T but it’s still not glowing. > Light does not come on at all. I was able to start the car as some suggested > after cranking for quite a bit. I replaced all the glow plugs a couple of > years ago so I don’t think that’s the issue either. It must be some thing > before the relay. Is there some kind of control in the ignition switch or > something? > > Sent from my iPhone > > _______________________________________ > 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
