So i bought a mth proto 3 chessie sd40-2 i connected it to my mth dcd app...ran great i tried lashing up with a proto 3 sd35 burlington northern ..now when i try reading for engine it picks up the chessie as the burlington northern. so i reset the engine and deleted the bn sd off my app now when i search forbthe chessie it reads thrn says interrogating engine then no luck ..what do i do ..also i can make lashups on my app but when i hit engine start nothing happens
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