Quote:
Originally Posted by barry12345
Since you can read voltage your meter should be useful. You will see two heavy conductors to each glow plug. Take both of the probes and place one on one wire of the individual glow plug and the other probe to the other wire. With your manual glow plug circuit on but not working. The glow plug terminals on the glow plug you read about twelve volts on will be the open or burnt out glow plug or source of a bad connection.
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I'm sorry if I'm a bit dense. Electric stuff to me is like magic. Using the voltmeter I measure according to Diesel911's picture below - on the squiggly connectors on each side of respective glow plug. But are you saying 12 volts will distinguish a burnt out glow plug while NOT glowing? I'm not entirely positive, but I don't think it normally has any voltage over it unless I flip the switch? Or is that how they always work?