I have a 1992 EX500. The ignition switch may have been replaced in the past, as the wiring looks newer (wiring is not weathered or dusty and the connector is still white). Looking at the wiring diagram, Red goes from the ignition switch directly to the taillight. And this works great when the ignition switch is in the "Park" position. But there's no taillight when the bike is in the ON position. What am I missing? Does something in the gauge cluster make the connection (my gauge cluster is long gone), or do I have the wrong ignition switch?