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International Automotive Technicians Network
Re: Paccar Parameters
Posted to HD/Fleet Forum on 4/28/2019

Make sure battery volts is above 12volt with key on or hook up battary charger before you do all of this. This is because if volt dropes below 12volts or LVD(low voltage disconnect) comes on there is a very high chance of damaging your PCI n ECU or blanking it... Login to read more.