Hi 4funnr,
The Ridged switch with three prongs doesn't have the capability of accommodating the courtesy lighting Dimmer feature as does the A.O.B. switch. The 'Ridged' switch has (1) 12V power in, (2) Gnd; for the on indicator light circuit, and (3) power out; to trigger the relay(s). The A.O.B. switch has the fourth pin for utilizing the courtesy light dimmer dial. Rgds!
EDIT: There shouldn't be any unused wires on the 'Ridged' harness e.g., RED 12V power input (Battery), Blk Earth Gnd (NEG Battery), and Blue, switch output power (trigger) to relay; according to your list.