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Re: AT 545 Again
Posted to Transmission Forum on 1/3/2020 1 Reply

Tom, I will look at that when I get to my desktop. That modulator can be controlled by the engine ECM via a relay. The AT545 by itself has no TCM or internal solenoid. The modulator over the the years has been cable, vacumn, and even air controlled. It is eait... Login to read more.

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