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Hi greasytshirt, Thanks for the reply... I am not familiar with any of the diagnostic equipment required for these trucks, I see they have two interface connections, a standard OBDII connection and then what looks like a 9- pin as well. I have OBD scanners, but they don't seem to want to talk...

I know greasytshirt has discussed this problem Ad nauseam... but I have had no luck with the fixes, I have already checked the brake switch and the other adjustable switch on the brake pedal and both are functioning normally. My situation has a little quirk to it, in that, my hydra-boost pump...