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1999 f250 cruise control won't work
New to the forums, I hope this is in the right place.
I have a 1999 f250 7.3l 4r100 4x4 with a ts 6 position tuner. I have been fighting my cruise control since I bought this truck (almost 4 years). I have cleaned and checked the speed sensor and the speedometer reads fine on the dash and at the edge monitor. The brake lights work fine, on/off when they are supposed to. I have replaced the pressure switch on the master cylinder. I have also replaced the cruise control switches on the steering wheel and the clock spring. Still nothing at all, cruise does not even attempt to work. the only other thing I found is the connector on the parking brake switch is loose and doesn't stay connected. I am completely stumped. The only thing that I could find in the schematics that I haven't tried is the PCM. I am sure there is something I have missed. Any help would be appreciated.