Posted on Oct 20, 2010

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My 2001 VW Beetle diesel will not start sometimes. The glow plug light will not even come on. If it does come on, it starts fine. If the glow plug light does not come on, it will not start. We changed the relay switch, and that solved the problem for a few months. Started doing it again, we changed the relay switch again, and this time it has not helped.

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Anonymous

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Posted on Oct 20, 2010

Anonymous

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Joined: Jul 23, 2010

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Check for battery to motor ground and battery to body ground for corrosion under mounting bolts. also check motor to body ground strap for corossion and overall condition. Bad ground can cause all sorts of problems. Also check all electrical connectors to glow plugs for corossion.

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