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International Automotive Technicians Network
Re: No Trans Light
Posted to HD/Fleet Forum on 7/4/2017

At the power train fuse block fuse 3 is batt power and 9 is ign power for trans. Replace those to start. Does the dash message display say" no trans"? Remove 80 pin conn from trans TCU. With key on, load check pins 10,70, and 63 with headlight. Ground pins are... Login to read more.