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William Herren
William Herren, OWNER
Category: Construction and Road Equipment
Satisfied Customers: 26
Experience:  Mechanic at HERREN INDUSTRIAL GROUP
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I have a Detroit 60 esn o6ro189896 the truck will

Customer Question

Hello,
I have a Detroit 60 esn o6ro189896 the truck will not start. I have no fuel pressure.The fuel pump has been changed the I have pressure at the end of the line.The relief valve was checked and found defective. I suspect the injectors , but I feel that the truck has 2 problems.The srs and tps sensors have been changed and the ecm has proper voltage at the 5 pin connector. A test ecm was placed on the unit but truck would not start, the ac voltage was checked at the injectors it was zero with the old ecm have not checked with the test ecm . Neither ecm will communicate with the reader. The 6 pin has voltage and ground . The truck Is 1995 KW W 900.
Submitted: 11 months ago.
Category: Construction and Road Equipment
Expert:  William Herren replied 11 months ago.
Hello, My name is ***** ***** I would like to help you with your 60 series.
Expert:  William Herren replied 11 months ago.
Can you please provide additional information. Was this engine running prior to replacing the fuel pump or did it all of a sudden die and you replaced fuel pump.
Customer: replied 11 months ago.
The customer, claimed the truck ( just quit). The fuel pressure was checked at that point.
Expert:  William Herren replied 11 months ago.
What we first need to focus on is getting the ECM to connect. Do you have a scan tool that you use to connect to these engines?
Customer: replied 11 months ago.
yes, I need the schematic for the 6 pin connector
Expert:  William Herren replied 11 months ago.
Have you checked all your fuses?
Customer: replied 11 months ago.
yes
Expert:  William Herren replied 11 months ago.
Have you disconnected batteries and ohm datalink?
Expert:  William Herren replied 11 months ago.
Is it a ddec III or IV
Customer: replied 11 months ago.
ddec III
Customer: replied 11 months ago.
the batteries are hooked up , the pin out of the data link pin c is battery voltage and pin is ground both good . I have found the data link cut loose coming out of the ecm . I have followed the data link to the cannon plug on the inside of the fire wall.
Customer: replied 11 months ago.
pin e is ground
Expert:  William Herren replied 11 months ago.
This contains your DDEC III wiring schematic.
Expert:  William Herren replied 11 months ago.
Have you had a chance to look over the schematic?

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