thanks man this should help

 

Let ask you did check engine light come on

Also other test you may want do and easy one start the truck and there a bass T-Valve mounted to T-Stat housing open it see if truck stay running that is water drain valve

 

yes it did it does every time

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when i turn my key not when the engine is running:P

 

do you have OBD2 code reader if not autozone will do for nothing and gave you code read out that be big help

 

no i don't haha how does it work??

 

IF you find it isnt the PMD i would relocate it to the front bumber. Crazy helped me with a issue just like this and i go tthe longer cable from pmdcables.com. If you google the 6.5 chevey diesel you will see that it is a very common problem. So if it isnt you pmd relocate it before it goes anyway. When mine went i was having issues with the glow plug light wasnt staying on for more then a few seconds. But i dont think that is a common sign of it going bad. I would add crazy to your friends list if he is cool with it. He helped me with all the problems i was having and was right on about 99% of the time if not more

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O ya before you go spending 200 bucks on a PMD check all your grounds. Crazy pointed out to me a while back how important the grounds are. I had one that wasnt even hooked up. There should be 4 one from each battery and one from the frame under passanger side floor board to fire wall and one from the block to the fire wall. the 2 going to the fire wall are a real pain in the ***. I solved alot of my issues just by fixing all the grounds. There are a bunch of ground that go to a stud on the passenger side head also. Check your codes also. Mine was throwing all kinds of codes that went away when i fixed my grounds. I was replacing ECM because it was throwing a code that it was bad and here the whole time it was the ground

 

ok yeah he;s pretty helpfull i've just replaced my oil cooler lines and now this comes up:@ but anyway thank you for your help as wel i'll check my grounds is there any kind of picture where i can find my grounds? because i'm new in this stuff but want to do it all myself i know where to look now but i just like pictures/drawing
thanks for your help!!!

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i've found it out myself i'll first check my grounds that seems to be a main problem though! thanks for your help

 

here where your grounds at some pics i gotten from other site