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Old 06-14-2016, 09:06 AM
barry12345 barry12345 is offline
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Join Date: Oct 2012
Posts: 5,924
Yes if the glow plugs are wired as series with the squiggly wires between some of them. For example if number one glow plug has an open element your would read about 12 volts no matter where you read the voltage along the glow plug string. Until you go past the burnt out glow plug.

The potential voltage is present to enable the current to flow through the glow plugs. It would just be the path to enable the current to flow that is open. That being a burnt out glow plug or a really bad connection.

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.

From your description I suspect the number one glow plug might be your problem but you have to check.
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