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Re: 04 IH 4400 HPOP question
Posted to HD/Fleet Forum on 12/10/2009 1 Reply

Sorry-

IPR is getting power and the return goes to 80 percent directly read with a meter. The test in the yard was with ECM control. The later test is with manual on/off and with ECM control. 80 percent from the ECM or 100 percent from the jumper harness mak... Login to read more.

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