Solid state glow plug controller temp input
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New User
Joined: Dec 2013
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Solid state glow plug controller temp input
Can anyone verify how a solid state glow plug controller (87 6.9) takes in temp input?
Is it the ambient temp of the controller itself, temp of coolant or both?
I am asking because I would like to simulate a 0 degree(Fahrenheit) cold start and ensure that the plugs stay on within spec.
Thanks!
Is it the ambient temp of the controller itself, temp of coolant or both?
I am asking because I would like to simulate a 0 degree(Fahrenheit) cold start and ensure that the plugs stay on within spec.
Thanks!
Elder User
Joined: Sep 2007
Posts: 662
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well it is the temp of the electronics inside the controller from the haynes diesel supplement manual.
now to add confusion i have read the temp sensor has something to do with it, but what i cannot tell as they are not connected in any way in any wiring diagram i have seen.
so to do this you will have to cause the controller to become frozen.
now to add confusion i have read the temp sensor has something to do with it, but what i cannot tell as they are not connected in any way in any wiring diagram i have seen.
so to do this you will have to cause the controller to become frozen.
Postmaster
Joined: Jul 2011
Posts: 3,061
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I also have wondered this. My glow plugs always cycle for 10-15 seconds no matter what engine temp. My oe temp gauge always reads cold and like you, all the wiring diagrams I look at they are not tied together. I have tried I think 3 different controllers and same results. Just bothers me a little haha
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