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Re: 3126 Cat Shut Down
Posted to HD/Fleet Forum on 11/27/2014 1 Reply

Matt

Do you have comm with the trans or ABS?

Without comm while driving you could backprobe pin 70 monitor igntion voltage make sure you never lose that, you could put your fluke on the 2 wires at the IPR and set it to duty cycle, see if duty cycle is incr... Login to read more.

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