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Message: <blockquote data-quote="uffda" data-source="post: 131861" data-attributes="member: 4551">I did that with the battery but it took a while for it to light up.  I'm using NGK 6926 supposedly "rapid start".  There is continuity tip to tip, then I touched the tip to the threads and there is continuity, "weird".    I get 00.0 at the 200k ohm setting so I went as low as my meter could go which is 200 and it read 00.8 .Why the continuity from tip to threads?  The machine is hard to start, white smoke, missfiring for a little while after it starts, all the symptoms of bad glow plugs.  At $8.99 each , probably start with free batch.</blockquote>