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Re: 1994 GM 6.5 PTO function
Posted to HD/Fleet Forum on 9/22/2010

1994-1995 ecm conn pink 24 pin, switched 12 volt to pin a6 - 1070 rpm request . 1996-1998 ecm conn brown 24 pin switched to ground, pin b8 - 1070 rpm request pin b7 13060 rpm request.

got this out of an old 65l training book, have never done this can only pr... Login to read more.