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International Automotive Technicians Network
Re: International air brake failure
Posted to HD/Fleet Forum on 1/15/2021

HI Rex. My heading is wrong. It is an HPB system, not air. I have already verified the cap failure via the TSB. I found a diagram of the ECU, and am preparing to do a basic power and ground check, but I do not have the fuse box relay diagram. A complete HCU wa... Login to read more.