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Glow plug problem

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Old Apr 3, 2021 | 06:25 PM
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Glow plug problem

I have a 00 excursion with the glow plug module not a relay. I checked all my glow plugs and they are fine, but it won’t start and puffing white smoke. How do you check the module that it is working and is what else should I check?
 
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Old Apr 3, 2021 | 08:29 PM
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Do you have a way to check for codes? I believe your truck has faults for GPCM if present.

This has a little info but not in depth trouble shooting

https://sites.google.com/site/woodnt...ow-plug-system
 
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Old Apr 3, 2021 | 08:33 PM
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Doesn’t show any codes. So what else could I check if it isn’t glue plugs?
 
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Old Apr 3, 2021 | 08:41 PM
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What are you using to read codes? have you used it to successfully reads codes before?

Do you see a good voltage drop when you turn the key to on?
 
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Old Apr 3, 2021 | 08:43 PM
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I use my code reader all the time, so I will check the voltage drop.
 
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