Thread: '84 OM617 won't start, new glow plugs, new fuel filter, system bled, what else?
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Old 02-13-2019, 02:20 PM
math math is offline
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https://www.youtube.com/watch?v=f_5YILxWtLQ

I had a bad connection and the relay box was making this buzzing sound when the glow plug relay was supposed to be active. The cause of this was a bad 12V line.
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