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Old 04-29-2003, 03:10 PM
Mark Tamburrino
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I remember somebody saying that a
glow plug could pass the resistance test
(My new ones were ~.6 ohm) but fail
under load. Also you should check the
resistance from the connection that plugs
into the relay to elimate faulty wires.
If you have a high current capacity
multimeter I'm guessing you could look
for 20 (12v/.6 ohm) amps when the key
is turned. I was also wondering about
mine, with the new plugs it starts fine but
the glow plug light comes on even when the
engine is hot, does this mean something is
not sensing temperature and wearing the
plugs more than necessary? I hope I'm not
hyjacking the thread, seems like the two
problems are related to relay trouble.
Mark 82' 300sd 280k
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