I might have both a blown fuse and bad gp relay. On Wed, Jan 3, 2018 at 11:02 PM, Buggered Benzmail via Mercedes < mercedes@okiebenz.com> wrote:
> You can (gingerly) touch a glow plug after glowing and feel if it is warm > (hot!) to see if they are getting juice. You can also put your voltmeter on > the output and see if it the relay is closing and sending juice to the > plugs (or at least voltage) You can also take off the cover of the relay > box and watch the relay to see if it actually closes, and/or manually push > on it to close it if it doesn’t. > > The SD was acting like this, turned out at first it was the relay and > replacing it cured the no starting and then a year or two after that it was > bad glow plugs. > > CHANGING YOUR FUSE is the first simple cheap fast easy thing to do. > > --R > Sent from iPhone > > > On Jan 3, 2018, at 4:52 PM, Andrew Strasfogel via Mercedes < > mercedes@okiebenz.com> wrote: > > > > It's been at least a decade since I replaced one of these, so I can't > > remember what the symptoms were that caused me to do so on the same model > > car-- 1983 300td. Currently, I can't even jump start my car. The preglow > > ight glows and goes out, but it does not appear there is any ignition > when > > cranking. Also, when I pre glow and wait 30 seconds after the light goes > > out there is no clicking noise. I am deducing that my glow plug relay has > > given out. I think I have a spare in the garage, so the simplest thing to > > do is to swap them out and see what happens. I apologize in advance if I > > offended anyone with this post. > > _______________________________________ > > 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
