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1994.5 - 1997 7.3L Power Stroke Diesel  

No Start with Cold Engine

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Old Oct 8, 2008 | 09:46 AM
  #16  
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From: Wisconsin
Originally Posted by Cuda_jim
Your GP's are good.


This indicates to me that your battery grounds are bad. You should have seen 5-10 ohms


This test is going through the IDM circuity and should be a higher reading...but not that high. Maybe the battery grounds too?


This should be infinity or a very low reading. Bad battery grounds again. I see a pattern developing here.


Should be infinity or a very low number. The wire(s) are OK.
When you say battery grounds, do you mean the other end of the negative cable from the battery, wherever it terminates, such as chassis or engine or frame? Or do you mean any ground straps in general? Why would the rest of the truck function with a bad ground except for the glow plugs?
 
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Old Oct 8, 2008 | 09:59 AM
  #17  
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Why would the rest of the truck function with a bad ground except for the glow plugs?
May have to do with the extreme load from the GP's ...
 
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Old Oct 8, 2008 | 10:04 AM
  #18  
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Just clamp a jumper cable clamp on the two large terminals & try starting it....
 
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