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In the first part of this two-paper series, we presented a conceptual algorithm for the optimal control of constrained switched systems and proved that this algorithm generates a sequence of points that converge to a necessary condition for optimality. However, since our algorithm requires the exact solution of a differential equation, the numerical implementation of this algorithm is impractical. In this paper, we address this shortcoming by constructing an implementable algorithm that discretizes the differential equation, producing a finite-dimensional nonlinear program. We prove that this implementable algorithm constructs a sequence of points that asymptotically satisfy a necessary condition for optimality for the constrained switched system optimal control problem. Four simulation experiments are included to validate the theoretical developments. [ABSTRACT FROM AUTHOR]