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post #4 of (permalink) Old 2nd June 2009
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Best way to prove it is a glow plug fault is to get a thickish wire and put it on live on battery and touch on a glow plug for about 10 seconds should fire up ok. The glow plug relay will be fused usually a heavy fuse near the battery. Check all small and thick wires on relay see which has power going to it. And which have earth going to them could be a bad earth or a broken wire. If your not very confident might be best to take to auto electrician he should be able to fix within an hours labour
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