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Re: 1999 Mack ch613 vmac timing sensor wiring
Posted to HD/Fleet Forum on 8/20/2018

Finally got the right pinouts for the ecm. Got the TDC sensor wired in correctly, and the code did not return. Engine starts better too. It did help with the power also. There is still a problem as the boost will go up to about 20 or so then fall off to nothin... Login to read more.