1996 DT466E IPR valve wiring problem

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Wreckerwrench96, Jan 17, 2020.

  1. Wreckerwrench96

    Wreckerwrench96 Bobtail Member

    Jan 17, 2020
    I have a 1996 international 4700 LP a DT466 having problem trying to get the truck started acting like an IPR valve problem so I replace the IPR valve and I'm noticing that the wires how are the IPR valve are both hot meaning they're both positive I'm looking for some kind of help on this I'm not sure if it's supposed to be two hots or if it supposed to be hot in the negative so I trace the wires and I don't see any false as far as I can see please help
  2. BoxCarKidd

    BoxCarKidd Road Train Member

    Aug 26, 2014
    You Tube Hoglund Buss IPR, DT problems and similar stuff. They have some pretty good information. It will take you some time to get through it. Maybe then you can fix it? If not you will have a lot better understanding of what questions to ask here. Some people on here know a lot about them.
  3. ClineER

    ClineER Light Load Member

    Apr 27, 2016
    N.E. Oklahoma
    12v to ipr and second wire computer controls resistance to control ipr. If plugged in will show voltage but unplugged should show 0v on one terminal. To test ipr you can ground out that wire while running to send pump to full stroke for max oil pressure test.
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