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Yes - leave the pre-installed jumper on the new switch. You just need to hook the wires back up to the respective terminals and move the diode assembly from the old switch to the new switch. No additional jumpers are required.
I have that exact switch in my spares kit.
Another mod you may want to do is to add lighting to the three gauges with the red plastic plugs in them.
See... https://www.steelsoldiers.com/showthread.php?152783-MEP-802A-803A-gauge-lighting&highlight=light