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Car Glow Plug Question and Answer
Question: 1993 Mercedes 300sd Diesel mileage: 124,000. When I pull
out the starter, the alternator light is not glowing and the glow plugs are not
working. The engine is in great condition and the starter works; my guess
is that is electrical. Can you help?
Answer: Check the glow plugs and the control relay.
Question: 1995 Mercedes Benz 300SD mileage: 216,000. The connections on
my glow plug relay seem to be fried. Is there a way to over ride the relay
allowing me to start the vehicle and then disconnect so as to not burn it out?
I just need it to work for a few more days so til I can get to the dealer to p/u
a new one.
Answer: Not a good idea to bypass the relay. The glow plugs
should be replaced with the relay.
Question: 1997 Mercedes Benz e300D mileage: 120,000. Do you know easy
way to check for bad glow plug...possibly grounding and checking for a variance
conductivity or resistance between the other glow plugs?
Answer: Yes, you are right about the test procedure. Also
perform the test with the engine cold.
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