Need help. Door lock issue

[g2outfitter]

My pwr door locks will unlock but not lock with fob or either door switchs 97 7.3 f350. I just purchased two door switches and they did not fix issue. When you hit lock you can hear small click under dash.

Any suggestions?

Thanks Coy

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[g2outfitter]

If it's my rke module box. Does anyone know what other vehicle and years are compatible or does after market keyless entry bypass this module and could fix my problem.

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