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  1. G

    Question about the air tanks

    Thanks a lot for your help. I will have a close look this week.
  2. G

    Question about the air tanks

    If both tanks are full, yes, they hold the pressure. Or let's say, they keep the pressure for 24 hours. Thanks for the hint. I will have this week a close look, didn't have time the weekend. I will post the results.
  3. G

    Question about the air tanks

    So, I had a close look at the two one way valves. Strange think, in one of the valves wasn‘t a spring. Just to get sure, this is the problem, I switched the valves. But the problem remains the same. Anyway, I will get to two valves and will see what happens.
  4. G

    Question about the air tanks

    Thank you, I will check it
  5. G

    Question about the air tanks

    Hallo, I have a strange problem and wanted to know, if this is normal, or what could be the issue. For the tests, all air tanks are filled up. 1) If I drain the primary air tank, the secondary air tank keeps it's air (I guess, this is how it should be). 2) If I drain the secondary air tank, the...
  6. G

    Picture of your Battery Box?

    Normally 2 batteries are parallel to 2 batteries in serial (I hope you can understand it). The 12V worn down between it. So 2 batteries are getting more discharged then the other two's. I know the truck is equipped with the Niehoff Battery Control device. But in my opinion (and the opinion of my...
  7. G

    Picture of your Battery Box?

    Why shouldn't it be a good idea? The M1078A1 has an alternator with 24V and 12V. So with the 24V I charge the two big batteries (2x12V serial) and with the 12V I charge the small batterie. And for the truck it isn't a problem neither. Both systems are getting charged without a problem. The...
  8. G

    Picture of your Battery Box?

    Why shouldn't it be a good idea? The M1078A1 has an alternator with 24V and 12V. So with the 24V I charge the two big batteries (2x12V serial) and with the 12V I charge the small batterie. And for the truck it isn't a problem neither. Both systems are getting charged without a problem. The...
  9. G

    Picture of your Battery Box?

    I diveded the 24V and 12V circuit. I wanted to get rid of the 12V drop of between the two batteries. The charging of this system works without problems. And I never unload the 24V system with the light or radio.
  10. G

    Looking for serial number Nason pressure switch (cat3126b)

    Hallo, has anybody the serial number of this Nason oil pressure switch. It is for a M1078A1 (2003) with a cat3126b engine. Thanx
  11. G

    What's that? Right from the ECM

    So, I send my ECM to a repair shop and they can repair it. They said the internal power supply is damaged. Looks like I got a voltage spike from somewhere. And now I come back to my first question. Can it be, that this piece right from the ECM it there to protect the ECM?
  12. G

    What's that? Right from the ECM

    Sorry, that is not correct. My ECM is in a repair shop an the internal power supply is damaged, not the battery. And this happened as one of my 12V batteries had an internal shortcut.
  13. G

    What's that? Right from the ECM

    Thank you. Interference filter for what? To protect the ECM? My ECM is dead, because of an internal shortcut from the batteries. I know interference filter with AC current, but not with DC current. Does anybody has the serial number? Then I would try to find a technical data sheet.
  14. G

    What's that? Right from the ECM

    Hallo, sorry to ask you. But knows anybody, what this is? It is right from the ECM and it isn't connected to anything. I mean this thing with the serial number MFR-.....??? Thank you
  15. G

    M1078A1 crank but not starting - batteries?

    @fuzzytoaster Just another question. Which number of the ECM do you mean. The serial number should be 206-2700-02. And under this number, I can find other ECM in the internet. And it is clear, that I must programm the ECM new.
  16. G

    M1078A1 crank but not starting - batteries?

    Yes, it isn't easy to find one in Germany. Perhaps I am lucky, otherwiese I have to oder one from the States (cheaper anyway!). Can anybody recommend a good service?
  17. G

    M1078A1 crank but not starting - batteries?

    So, I know more. The EMC is dead. Nows anybody a used one for my truck?
  18. G

    M1078A1 crank but not starting - batteries?

    @Ronmar If it isn't a fuel solenoid, what is it else? I thought it's for shutdown the engine. So I should be under power, if you want to start the engine. @fuzzytoaster I use a Cat Com 3 Adapter (317-7485) fron China and ET 2015A. On Monday I get an Cat technician and he try to read out the...
  19. G

    M1078A1 crank but not starting - batteries?

    The circut breakers I allready checked. They all worked. I also checked the power in the harness plug of the ECM. I get there the 24v DV.
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